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) (2293893 rows)
  -c=195.182883774765997 +56.359143750015, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (195.182883774765997+56.359143750015)[FK5/J2000] (pos.angDistance)
_RAJ200013 00 43.89210594384 "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+56 21 32.9175000543 "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)
_RAB195012 58 36.09599809450 "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+56 37 40.8860768888 "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)
_Glon120.29983364915991 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+60.72158667736913 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?643480/643480o  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_id643480  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 2003-06-25T08:28:07 s timestamp of date the data becomes publicly available (time.epoch)
target_nameHD113139  name of intended target (meta.id)
s_ra195.182883774765997 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+56.359143750015 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.014079281624040   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 195.1738972065875 56.36412120339841 195.1918703453055 56.364121202128814 195.19186799673432 56.35416564672098 195.17389955057604 56.35416564799006  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_min52449.3529593 d start time of observation (MJD) (t_min) (time.epoch)
t_max52449.3529605 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 0.10000000149012 s exposure time of observation (time.expo)
t_resolution 0.10000000149012   typical temporal resolution (time.resolution)
t_xel 1   dimensions (number of pixels) along the time axis (time.scale)
em_min 9.00000000000e-07 m start spectral coordinate value (instr.bandpass)
em_max 1.97019700000e-06 m stop spectral coordinate value (instr.bandpass)
em_res_power 1.34097003937   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-bf60-121a4eb8ac0f  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-02T18:01:08 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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