VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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B/cfht/obscore Log of CFHT Exposures (CADC, 1979-)
The CFHT Observation logs (original column names in green) (2885020 rows)
  -c=038.406088693932517 +24.928643749981, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (038.406088693932510+24.928643749981)[FK5/J2000] (pos.angDistance)
_RAJ200002 33 37.46128654380 "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+24 55 43.1174999317 "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)
_RAB195002 30 44.66547594219 "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+24 42 34.0984642499 "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)
_Glon150.52712371565633 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-32.41007187856482 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?597166/597166o  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_nameaobir  instrument name (meta.id;instr)
obs_id597166  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 2002-08-06T14:58:13 s timestamp of date the data becomes publicly available (time.epoch)
target_nameGL102  name of intended target (meta.id)
s_ra038.406088693932517 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+24.928643749981 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.014079281622458   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 38.41157765850491 24.923665871569696 38.400599728729574 24.923665871962214 38.400599285850255 24.933621427447136 38.41157810225008 24.93362142705446  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_min52126.6237990 d start time of observation (MJD) (t_min) (time.epoch)
t_max52126.6239379 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 12.00000000000000 s exposure time of observation (time.expo)
t_resolution 12.00000000000000   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 1.20548534393   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-f62c-1213c05239d0  (i) primary key (meta.id.part;meta.main)
lastmodified 2021-09-02T23:32:23 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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Rules of usage of VizieR data

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