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 (sample) (original column names in green) (2631115 rows)
  -c=277.512448675936980 -02.032664541664, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (277.512448675936980-02.032664541664)[FK5/J2000] (pos.angDistance)
_RAJ200018 30 02.98768222487 "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)
_DEJ2000-02 01 57.5923499902 "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)
_RAB195018 27 26.82531997445 "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)
_DEB1950-02 04 02.9829756317 "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)
_Glon028.67677918661738 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+03.82507341241222 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?983340/983340og  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_nameWIRCam  instrument name (meta.id;instr)
obs_id983340  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 2009-08-31T00:00:00 s timestamp of date the data becomes publicly available (time.epoch)
target_nameSerSouth  name of intended target (meta.id)
s_ra277.512448675936980 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec-02.032664541664 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.506657788276547   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 277.69133759056945 -2.211485531943026 277.33331967604295 -2.212031311123937 277.3338915950916 -1.8536665690950827 277.6912902137667 -1.8532548821970067  region bounded by observation (obs.field)
s_resolution    typical spatial resolution (pos.angResolution)
s_xel1 4246   dimensions (number of pixels) along one spatial axis (meta.number)
s_xel2 4257   dimensions (number of pixels) along the other spatial axis (meta.number)
t_min54575.5456476 d start time of observation (MJD) (t_min) (time.epoch)
t_max54575.5458791 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 5.00000000000000 s exposure time of observation (time.expo)
t_resolution 5.00000000000000   typical temporal resolution (time.resolution)
t_xel 4   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 6.59999990463   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_id00000000-0000-0000-7f54-013d41366670  (i) primary key (meta.id.part;meta.main)
lastmodified 2021-02-20T02:34:35 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (277.512448675936980-02.032664541664)[FK5/J2000] (pos.angDistance)
_RAJ200018 30 02.98768222480 "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)
_DEJ2000-02 01 57.5923499902 "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)
_RAB195018 27 26.82531997439 "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)
_DEB1950-02 04 02.9829756317 "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)
_Glon028.67677918661725 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+03.82507341241247 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?983387/983387og  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_nameWIRCam  instrument name (meta.id;instr)
obs_id983387  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 2009-08-31T00:00:00 s timestamp of date the data becomes publicly available (time.epoch)
target_nameSerSouth  name of intended target (meta.id)
s_ra277.512448675936696 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec-02.032664541664 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.506657788276547   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 277.69133759056945 -2.211485531943026 277.33331967604295 -2.212031311123937 277.3338915950916 -1.8536665690950827 277.6912902137667 -1.8532548821970067  region bounded by observation (obs.field)
s_resolution    typical spatial resolution (pos.angResolution)
s_xel1 4246   dimensions (number of pixels) along one spatial axis (meta.number)
s_xel2 4257   dimensions (number of pixels) along the other spatial axis (meta.number)
t_min54575.6359693 d start time of observation (MJD) (t_min) (time.epoch)
t_max54575.6362008 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 5.00000000000000 s exposure time of observation (time.expo)
t_resolution 5.00000000000000   typical temporal resolution (time.resolution)
t_xel 4   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 10.19999980927   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_id00000000-0000-0000-0bf7-013d4136c819  (i) primary key (meta.id.part;meta.main)
lastmodified 2021-09-02T16:23:28 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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