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=195.185383774837987 +56.360282638939, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (195.185383774837987+56.360282638939)[FK5/J2000] (pos.angDistance)
_RAJ200013 00 44.49210596112 "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 37.0175001801 "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 36.70138999598 "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 44.9747687037 "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)
_Glon120.29718143741209 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+60.72034866787458 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?643478/643478o  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_id643478  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 2003-06-25T08:25:16 s timestamp of date the data becomes publicly available (time.epoch)
target_nameHD113139  name of intended target (meta.id)
s_ra195.185383774837987 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+56.360282638939 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.014079281624011   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 195.17639693834602 56.36526009228443 195.19437061407123 56.36526009101479 195.19436826532865 56.35530453560695 195.17639928250568 56.355304536876126  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_min52449.3509826 d start time of observation (MJD) (t_min) (time.epoch)
t_max52449.3509838 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_id00000000-0000-0000-728c-121a4e9ce978  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-02T18:00:57 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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