VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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B/cfht/obscore Log of CFHT Exposures (CADC, 1979-)
The CFHT Observation logs (original column names in green) (2239798 rows)
  -c=204.129616757046989 -29.234804166635, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (204.129616757046989-29.234804166635)[FK5/J2000] (pos.angDistance)
_RAJ200013 36 31.10802169128 "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)
_DEJ2000-29 14 05.2949998860 "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)
_RAB195013 33 42.33937524056 "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)
_DEB1950-28 58 48.1805086954 "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)
_Glon314.61292106532170 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+32.61236309764611 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/CFHT?738287/738287o  publisher dataset identifier (meta.id;meta.dataset)
obs_collectionCFHT  short name for the data colection (meta.id;meta.dataset)
facility_nameCFHT 3.6m  telescope name (meta.id;instr.tel)
instrument_nameCFHTIR  instrument name (meta.id;instr)
obs_id738287  internal dataset identifier (meta.id;meta.dataset)
dataproduct_typeimage  type of product (meta.note)
calib_level1   calibration level (phot.calib;arith.zp)
obs_release_date 2005-03-08T12:37:34 s timestamp of date the data becomes publicly available (time.epoch)
target_nameUGCA 365 KP  name of intended target (meta.id)
s_ra204.129616757046989 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec-29.234804166635 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.084475676402254   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionPolygon ICRS 204.0953805717544 -29.264666477070975 204.0954005228875 -29.2049331597848 204.16383297165976 -29.204933142787155 204.16385296179806 -29.264666460031705  region bounded by observation (obs.field)
s_resolution    typical spatial resolution (pos.angResolution)
s_xel1 1024   dimensions (number of pixels) along one spatial axis (meta.number)
s_xel2 1024   dimensions (number of pixels) along the other spatial axis (meta.number)
t_min53071.5252123 d start time of observation (MJD) (t_min) (time.epoch)
t_max53071.5252354 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 2.00000000000000 s exposure time of observation (time.expo)
t_resolution 2.00000000000000   typical temporal resolution (time.resolution)
t_xel 1   dimensions (number of pixels) along the time axis (time.scale)
em_min 1.97400000000e-06 m start spectral coordinate value (instr.bandpass)
em_max 2.29000000000e-06 m stop spectral coordinate value (instr.bandpass)
em_res_power 6.74684000015   typical spectral resolution (spect.resolution)
em_xel 1   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 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 file (meta.note)
access_estsize    estimated size of the download (meta.number)
core_id00000000-0000-0000-0805-0e9e8223600a  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-11-16T06:02:55 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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