VizieR

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VizieR

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B/jcmt/obscore Jame Clerk Maxwell Telescope Science Archive (CADC, 2003)
The JCMT Observation Log (original column names in green) (1379479 rows)
  -c=052.2957753600 +31.2244519541455, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (052.2957753600+31.2244519541455)[FK5/J2000] (pos.angDistance)
_RAJ200003 29 10.986086406 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000+31 13 28.02703492 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195003 26 05.472013507 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950+31 03 09.96895810 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon158.397262271869 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat-20.574051041654 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

obs_publisher_didivo://cadc.nrc.ca/JCMT?acsis_00021_20090110T084327/reduced-345796MHz-1000MHzx2048-1  Publisher dataset identifier (meta.id;meta.dataset)
obs_collectionJCMT  Short name for the data colection (meta.id;meta.dataset)
facility_nameJCMT  Telescope name (meta.id;instr.tel)
instrument_nameHARP-ACSIS  Instrument name (meta.id;instr)
obs_idacsis_00021_20090110T084327  Internal dataset identifier (meta.id;meta.dataset)
dataproduct_typecube   Type of product (meta.note)
calib_level2   [0/2] ? Calibration level (0,1,2,3) (phot.calib;arith.zp)
obs_release_date318383999 s Timestamp of date the data becomes publicly available (time.epoch)
target_nameIRAS4  Name of intended target (meta.id)
s_ra052.2957753600 deg (i) Right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+31.2244519541455 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.1792442447651   Size of the region covered (∼diameter of minimum bounding circle) (instr.fov;instr.pixel)
s_regionpolygon 52.39975261680373 31.23572636109195 52.25443006817462 31.142105260320754 52.19182299485112 31.213093919876215 52.33719276044048 31.306785399631337  Region bounded by observation (obs.field)
s_resolution    Typical spatial resolution (pos.angResolution)
s_xel1 77   Dimensions (number of pixels) along one spatial axis (meta.number)
s_xel2 44   Dimensions (number of pixels) along the other spatial axis (meta.number)
t_min54841.3641084 d Start time of observation (MJD) (t_min) (time.epoch)
t_max54841.3709259 d End time of observation (MJD) (t_max) (time.epoch)
t_exptime 0.00051 d Exposure time of observation (time.expo)
t_resolution    Typical temporal resolution (time.resolution)
t_xel 1   Dimensions (number of pixels) along the time axis (time.scale)
em_min  m Start spectral coordinate value (instr.bandpass)
em_max  m Stop spectral coordinate value (instr.bandpass)
em_res_power    Typical spectral resolution (spect.resolution)
em_xel1904   Dimensions (number of pixels) along the energy axis (phys.size)
em_ucd   UCD describing the spectral axis (meta.number)
pol_states   Polarization states present in i the data (phys.polarization)
pol_xel    Dimensions (number of pixels) along the polarization axis (phys.size)
o_ucdphot.count  UCD describing the observable axis (pixel values) (meta.number)
access_urlDatalink  URL to download the data (meta.ref.url)
access_formatapplication/x-votable+xml;content=datalink  Format of the data files (meta.note)
access_estsize    Estimated size of the download (meta.number)
core_id00000000-0000-0000-29fd-0145b451d6aa  (i) primary key (meta.id.part;meta.main)
lastModified 2019-11-07T16:06:02 s (i) Last modification of the metadata (time.epoch)

SimbadIRAS4  ask the Simbad data-base about this object (meta.ref.url)
  
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Rules of usage of VizieR data

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