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Table: ivoa_stripe82.des_y1
(The bold columns are indexed columns)
Column Name | Description | Datatype |
---|---|---|
access_estsize | Estimated size of dataset in kilo bytes | INTEGER |
access_format | File content format | CHAR |
access_url | URL used to access (download) dataset | CHAR |
airmass | Airmass of observation | REAL |
assoc_id | Unique observation identifier | CHAR |
calib_level | Calibration level {0, 1, 2, 3, 4} | INTEGER |
creator | Name of the creator of the data | CHAR |
datalength | Total Number of pixels | INTEGER |
date_obs | Date of observation | CHAR |
dec1 | Lower-left Dec (ICRS) position of image | DOUBLE |
dec2 | Lower-right Dec (ICRS) position of image | DOUBLE |
dec3 | Upper-right Dec (ICRS) position of image | DOUBLE |
dec4 | Upper-left Dec (ICRS) position of image | DOUBLE |
el_length | Number of pixel elements | INTEGER |
el_size | Pixel element size | INTEGER |
elliptic | Estimate of average ellipticity | REAL |
em_max | Start in spectral coordinates | DOUBLE |
em_min | Start in spectral coordinates | DOUBLE |
em_res | Spectral resolution | DOUBLE |
expnum | Exposure number | INTEGER |
exptime | Exposure time | REAL |
fileref | Archive file reference | CHAR |
filt_str | Full filter string | CHAR |
filter | Filter name (short form) | CHAR |
fluxaxis_ucd | Flux axis UCD | CHAR |
fluxaxis_unit | Flux axis units | CHAR |
fwhm | Estimate of average FWHM | REAL |
ha | Hour angle of observation | CHAR |
id | Unique observation ID | CHAR |
im_naxes | Number of image axes | INTEGER |
im_naxis1 | Length of first image axis | INTEGER |
im_naxis2 | Length of second image axis | INTEGER |
im_scale | Image pixel scale | DOUBLE |
instrument_name | Name of the instrument used for this observation | CHAR |
magzero | Magnitude zero point | REAL |
mjd_obs | MJD of observation | CHAR |
moonangle | Angle between target and moon | REAL |
object | Object name | CHAR |
obs_bandpass | Observation bandpass | CHAR |
obs_collection | Data collection to which dataset belongs | CHAR |
obs_id | Free syntax Observation Identifier | CHAR |
obs_pub_did | Dataset identifier given by the publisher | CHAR |
obstype | Observation type (object, zero, dark, dome flat) | CHAR |
pixtype | pixel type | CHAR |
proctype | Processing type | CHAR |
prodtype | Product type (image, dqmask, expmap, etc) | CHAR |
project_code | NOIRLab Proposal ID | CHAR |
propid | Proposal ID | CHAR |
proposer | Name of proposal PI | CHAR |
ra1 | Lower-left RA (ICRS) position of image | DOUBLE |
ra2 | Lower-right RA (ICRS) position of image | DOUBLE |
ra3 | Upper-right RA (ICRS) position of image | DOUBLE |
ra4 | Upper-left RA (ICRS) position of image | DOUBLE |
s_dec | Central Spatial Position in ICRS Declination | DOUBLE |
s_ra | Central Spatial Position in ICRS Right ascension | DOUBLE |
seeing | Seeing estimate | REAL |
spat_hilimit1 | End location along spatial axis 1 | DOUBLE |
spat_hilimit2 | End location along spatial axis 2 | DOUBLE |
spat_lolimit1 | Start location along spatial axis 1 | DOUBLE |
spat_lolimit2 | Start location along spatial axis 2 | DOUBLE |
spec_location | Central location along spectral axis | DOUBLE |
spec_respower | Value of the resolving power along the spectral axis. (R) | DOUBLE |
telescope | Telescope used for observation | CHAR |
time_location | Central location along time axis | CHAR |
time_start | Start location along time axis | DOUBLE |
time_stop | End location along time axis | DOUBLE |
title | Brief description of dataset in free format | CHAR |
wcsaxes1 | WCS project along axis 1 | CHAR |
wcsaxes2 | WCS project along axis 2 | CHAR |
zd | Zenith distance of observation | REAL |