tables/source_catalog_columns-1.0.0
Source catalog column definitions
Outline
Schema Definitions ¶
Internal Definitions ¶
flagged_spatial_index
| object |
Bit flag encoding the overlap flag, projection, skycell and pixel coordinates of the source
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
bbox_xmax
| object |
Column index of the right edge of the source bounding box (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
bbox_xmin
| object |
Column index of the left edge of the source bounding box (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
bbox_ymax
| object |
Row index of the top edge of the source bounding box (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
bbox_ymin
| object |
Row index of the bottom edge of the source bounding box (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
image_flags
| object |
Image quality bit flags (0=good)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
label
| object |
Label of the source segment in the segmentation image
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
segment_area
| object |
Area of the source segment
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec
| object |
Best estimate of the declination (ICRS)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_centroid
| object |
Declination of the source centroid (ICRS)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_centroid_err
| object |
Uncertainty in dec_centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_centroid_win
| object |
Declination (ICRS) of the windowed source centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_centroid_win_err
| object |
Uncertainty in dec_centroid_win
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_psf_~band~
| object |
Declination (ICRS) of the PSF-fitted position
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
dec_psf_~band~_err
| object |
Uncertainty in dec_psf
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
psf_gof_~band~
| object |
PSF goodness of fit metric
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra
| object |
Best estimate of the right ascension (ICRS)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_centroid
| object |
Right ascension (ICRS) of the source centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_centroid_err
| object |
Uncertainty in ra_centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_centroid_win
| object |
Right ascension (ICRS) of the windowed source centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_centroid_win_err
| object |
Uncertainty in ra_centroid_win
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_psf_~band~
| object |
Right ascension (ICRS) of the PSF-fitted position
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ra_psf_~band~_err
| object |
Uncertainty in ra_psf
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_centroid
| object |
Column coordinate of the source centroid from image moments (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_centroid_err
| object |
Uncertainty x_centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_centroid_win
| object |
Column coordinate of the windowed source centroid in the detection image from image moments (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_centroid_win_err
| object |
Uncertainty on x_centroid_win
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_psf_~band~
| object |
Column coordinate of the source from PSF fitting (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
x_psf_~band~_err
| object |
Uncertainty in x_psf
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_centroid
| object |
Row coordinate of the source centroid in the detection image from image moments (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_centroid_err
| object |
Uncertainty on y_centroid
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_centroid_win
| object |
Row coordinate of the windowed source centroid in the detection image from image moments (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_centroid_win_err
| object |
Uncertainty on y_centroid_win
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_psf_~band~
| object |
Row coordinate of the source from PSF fitting (0 indexed)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
y_psf_~band~_err
| object |
Uncertainty on y_psf
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper_bkg_~band~_flux
| object |
Local background estimated within a circular annulus
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper_bkg_~band~_flux_err
| object |
Uncertainty in aper_bkg_flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper_bkg_~band~m~band~_flux
| object |
Local background estimate for PSF-matched aperture photometry
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper_bkg_~band~m~band~_flux_err
| object |
Uncertainty in aper_bkg_flux_err
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper~radius~_~band~_flux
| object |
Flux within circular aperture (radius in tenths of arcsec)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper~radius~_~band~_flux_err
| object |
Uncertainty in flux within circular aperture
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper~radius~_~band~m~band~_flux
| object |
PSF-matched flux within circular aperture (radius in tenths of arcsec)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
aper~radius~_~band~m~band~_flux_err
| object |
Uncertainty in PSF-matched flux within circular aperture
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~_abmag
| object |
AB magnitude within the elliptical Kron aperture
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~_abmag_err
| object |
Uncertainty in kron_abmag
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~_flux
| object |
Flux within the elliptical Kron aperture
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~_flux_err
| object |
Uncertainty in kron__flux_err
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~m~band~_abmag
| object |
PSF-matched flux within the elliptical Kron aperture
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_~band~m~band~_abmag_err
| object |
Uncertainty in kron_m_abmag_err
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
psf_~band~_flux
| object |
Total PSF flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
psf_~band~_flux_err
| object |
Uncertainty in psf_flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
psf_flags_~band~
| object |
PSF fitting bit flags (0 = good)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
segment_~band~_flux
| object |
Isophotal flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
segment_~band~_flux_err
| object |
Uncertainty in segment_flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
segment_~band~m~band~_flux
| object |
Isophotal flux after PSF matching to a reference band
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
segment_~band~m~band~_flux_err
| object |
Isophotal flux error after PSF matching to a reference band
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
warning_flags
| object |
Warning bit flags (0=good)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
cxx
| object |
Coefficient for the x**2 term in the generalized quadratic ellipse equation
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
cxy
| object |
Coefficient for the x*y term in the generalized quadratic ellipse equation
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
cyy
| object |
Coefficient for the y**2 term in the generalized quadratic ellipse equation
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
ellipticity
| object |
Source ellipticity as 1 - (semimajor / semiminor)
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
fluxfrac_radius_50_~band~
| object |
Radius of a circle centered on the source centroid that encloses 50% of the Kron flux
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
is_extended_~band~
| object |
Flag indicating that the source appears to be more extended than a point source
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
fwhm
| object |
Circularized full width at half maximum (FWHM) calculated from the semimajor and semiminor axes as 2*sqrt(ln(2) * (semimajor**2 + semiminor**2))
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
kron_radius
| object |
First-moment radius measured in the detection image.
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
orientation_pix
| object |
Angle measured counter-clockwise from the positive X axis to the source major axis computed from image moments
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
orientation_sky
| object |
Position angle from North of the source major axis computed from image moments
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
roundness1_~band~
| object |
Photutils DAOFinder roundness1 statistic
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
semimajor
| object |
Length of the source semimajor axis computed from image moments
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
semiminor
| object |
Length of the source semiminor axis computed from image moments
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
sharpness_~band~
| object |
Photutils DAOFinder sharpness statistic
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
nn_distance
| object |
Distance to the nearest neighbor in this skycell
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
nn_label
| object |
Segment label of the nearest neighbor in this skycell
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz
| object |
Recommended point estimate of photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_gof
| object |
Photo-z goodness of fit metric
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_high68
| object |
68% confidence upper bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_high90
| object |
90% confidence upper bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_high99
| object |
99% confidence upper bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_low68
| object |
68% confidence lower bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_low90
| object |
90% confidence lower bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_low99
| object |
99% confidence lower bound on photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
photoz_sed
| object |
Best-fit spectral-energy distribution for this photometric redshift
This type is an object with the following properties:
data
object This type is an object with the following properties:
datatype
object This node has no type definition (unrestricted)
Original Schema ¶
%YAML 1.1
---
$schema: asdf://stsci.edu/datamodels/roman/schemas/rad_schema-1.0.0
id: asdf://stsci.edu/datamodels/roman/schemas/tables/source_catalog_columns-1.0.0
title: Source catalog column definitions
definitions:
flagged_spatial_index:
description: Bit flag encoding the overlap flag, projection, skycell and pixel coordinates of the source
unit: none
properties:
data:
properties:
datatype:
enum: [int64]
bbox_xmax:
description: Column index of the right edge of the source bounding box (0 indexed)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
bbox_xmin:
description: Column index of the left edge of the source bounding box (0 indexed)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
bbox_ymax:
description: Row index of the top edge of the source bounding box (0 indexed)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
bbox_ymin:
description: Row index of the bottom edge of the source bounding box (0 indexed)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
image_flags:
description: Image quality bit flags (0=good)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
label:
description: Label of the source segment in the segmentation image
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
segment_area:
description: Area of the source segment
unit: arcsec^2
properties:
data:
properties:
datatype:
enum: [float32]
dec:
description: Best estimate of the declination (ICRS)
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
dec_centroid:
description: Declination of the source centroid (ICRS)
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
dec_centroid_err:
description: Uncertainty in dec_centroid
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
dec_centroid_win:
description: Declination (ICRS) of the windowed source centroid
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
dec_centroid_win_err:
description: Uncertainty in dec_centroid_win
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
dec_psf_~band~:
description: Declination (ICRS) of the PSF-fitted position
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
dec_psf_~band~_err:
description: Uncertainty in dec_psf
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
psf_gof_~band~:
description: PSF goodness of fit metric
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
ra:
description: Best estimate of the right ascension (ICRS)
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
ra_centroid:
description: Right ascension (ICRS) of the source centroid
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
ra_centroid_err:
description: Uncertainty in ra_centroid
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
ra_centroid_win:
description: Right ascension (ICRS) of the windowed source centroid
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
ra_centroid_win_err:
description: Uncertainty in ra_centroid_win
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
ra_psf_~band~:
description: Right ascension (ICRS) of the PSF-fitted position
unit: deg
properties:
data:
properties:
datatype:
enum: [float64]
ra_psf_~band~_err:
description: Uncertainty in ra_psf
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
x_centroid:
description: Column coordinate of the source centroid from image moments (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
x_centroid_err:
description: Uncertainty x_centroid
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
x_centroid_win:
description: Column coordinate of the windowed source centroid in the detection image from image moments (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
x_centroid_win_err:
description: Uncertainty on x_centroid_win
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
x_psf_~band~:
description: Column coordinate of the source from PSF fitting (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
x_psf_~band~_err:
description: Uncertainty in x_psf
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_centroid:
description: Row coordinate of the source centroid in the detection image from image moments (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_centroid_err:
description: Uncertainty on y_centroid
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_centroid_win:
description: Row coordinate of the windowed source centroid in the detection image from image moments (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_centroid_win_err:
description: Uncertainty on y_centroid_win
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_psf_~band~:
description: Row coordinate of the source from PSF fitting (0 indexed)
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
y_psf_~band~_err:
description: Uncertainty on y_psf
unit: pix
properties:
data:
properties:
datatype:
enum: [float32]
aper_bkg_~band~_flux:
description: Local background estimated within a circular annulus
unit: nJy arcsec-2
properties:
data:
properties:
datatype:
enum: [float32]
aper_bkg_~band~_flux_err:
description: Uncertainty in aper_bkg_flux
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
aper_bkg_~band~m~band~_flux:
description: Local background estimate for PSF-matched aperture photometry
unit: nJy/arcsec^2
properties:
data:
properties:
datatype:
enum: [float32]
aper_bkg_~band~m~band~_flux_err:
description: Uncertainty in aper_bkg_flux_err
unit: nJy/arcsec^2
properties:
data:
properties:
datatype:
enum: [float32]
aper~radius~_~band~_flux:
description: Flux within circular aperture (radius in tenths of arcsec)
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
aper~radius~_~band~_flux_err:
description: Uncertainty in flux within circular aperture
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
aper~radius~_~band~m~band~_flux:
description: PSF-matched flux within circular aperture (radius in tenths of arcsec)
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
aper~radius~_~band~m~band~_flux_err:
description: Uncertainty in PSF-matched flux within circular aperture
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~_abmag:
description: AB magnitude within the elliptical Kron aperture
unit: mag(AB)
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~_abmag_err:
description: Uncertainty in kron_abmag
unit: mag(AB)
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~_flux:
description: Flux within the elliptical Kron aperture
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~_flux_err:
description: Uncertainty in kron_<band>_flux_err
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~m~band~_abmag:
description: PSF-matched flux within the elliptical Kron aperture
unit: abmag
properties:
data:
properties:
datatype:
enum: [float32]
kron_~band~m~band~_abmag_err:
description: Uncertainty in kron_<band>m<band>_abmag_err
unit: abmag
properties:
data:
properties:
datatype:
enum: [float32]
psf_~band~_flux:
description: Total PSF flux
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
psf_~band~_flux_err:
description: Uncertainty in psf_flux
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
psf_flags_~band~:
description: PSF fitting bit flags (0 = good)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
segment_~band~_flux:
description: Isophotal flux
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
segment_~band~_flux_err:
description: Uncertainty in segment_flux
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
segment_~band~m~band~_flux:
description: Isophotal flux after PSF matching to a reference band
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
segment_~band~m~band~_flux_err:
description: Isophotal flux error after PSF matching to a reference band
unit: nJy
properties:
data:
properties:
datatype:
enum: [float32]
warning_flags:
description: Warning bit flags (0=good)
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
cxx:
description: Coefficient for the x**2 term in the generalized quadratic ellipse equation
unit: 1/arcsec2
properties:
data:
properties:
datatype:
enum: [float32]
cxy:
description: Coefficient for the x*y term in the generalized quadratic ellipse equation
unit: 1/arcsec2
properties:
data:
properties:
datatype:
enum: [float32]
cyy:
description: Coefficient for the y**2 term in the generalized quadratic ellipse equation
unit: 1/arcsec2
properties:
data:
properties:
datatype:
enum: [float32]
ellipticity:
description: Source ellipticity as 1 - (semimajor / semiminor)
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
fluxfrac_radius_50_~band~:
description: Radius of a circle centered on the source centroid that encloses 50% of the Kron flux
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
is_extended_~band~:
description: Flag indicating that the source appears to be more extended than a point source
unit: none
properties:
data:
properties:
datatype:
enum: [bool8]
fwhm:
description: Circularized full width at half maximum (FWHM) calculated from the semimajor and semiminor axes as 2*sqrt(ln(2) * (semimajor**2 + semiminor**2))
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
kron_radius:
description: First-moment radius measured in the detection image.
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
orientation_pix:
description: Angle measured counter-clockwise from the positive X axis to the source major axis computed from image moments
unit: deg
properties:
data:
properties:
datatype:
enum: [float32]
orientation_sky:
description: Position angle from North of the source major axis computed from image moments
unit: deg
properties:
data:
properties:
datatype:
enum: [float32]
roundness1_~band~:
description: Photutils DAOFinder roundness1 statistic
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
semimajor:
description: Length of the source semimajor axis computed from image moments
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
semiminor:
description: Length of the source semiminor axis computed from image moments
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
sharpness_~band~:
description: Photutils DAOFinder sharpness statistic
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
nn_distance:
description: Distance to the nearest neighbor in this skycell
unit: arcsec
properties:
data:
properties:
datatype:
enum: [float32]
nn_label:
description: Segment label of the nearest neighbor in this skycell
unit: none
properties:
data:
properties:
datatype:
enum: [int32]
photoz:
description: Recommended point estimate of photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_gof:
description: Photo-z goodness of fit metric
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_high68:
description: 68% confidence upper bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_high90:
description: 90% confidence upper bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_high99:
description: 99% confidence upper bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_low68:
description: 68% confidence lower bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_low90:
description: 90% confidence lower bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_low99:
description: 99% confidence lower bound on photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [float32]
photoz_sed:
description: Best-fit spectral-energy distribution for this photometric redshift
unit: none
properties:
data:
properties:
datatype:
enum: [int32]