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=065.487520355089103 +19.534887662870, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (065.487520355089103+19.534887662870)[FK5/J2000] (pos.angDistance)
_RAJ200004 21 57.00488522139 "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+19 32 05.5955863338 "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)
_RAB195004 19 01.82432334079 "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+19 25 04.0970057484 "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)
_Glon176.22322186784734 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-20.89419643817661 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?975841/975841o  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_nameMegaPrime  instrument name (meta.id;instr)
obs_id975841  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_nameNGC 1555  name of intended target (meta.id)
s_ra065.487520355089103 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+19.534887662870 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 1.400456093038750   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 66.00931988103268 19.037026991327778 64.96989381735278 19.033631880595692 64.96309764227819 20.031566659595796 66.00786605806924 20.034689374755004  region bounded by observation (obs.field)
s_resolution    typical spatial resolution (pos.angResolution)
s_xel118984   dimensions (number of pixels) along one spatial axis (meta.number)
s_xel219274   dimensions (number of pixels) along the other spatial axis (meta.number)
t_min54537.2659793 d start time of observation (MJD) (t_min) (time.epoch)
t_max54537.2664433 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 40.09000015258789 s exposure time of observation (time.expo)
t_resolution 40.09000015258789   typical temporal resolution (time.resolution)
t_xel 1   dimensions (number of pixels) along the time axis (time.scale)
em_min 4.07800000000e-07 m start spectral coordinate value (instr.bandpass)
em_max 5.70200000000e-07 m stop spectral coordinate value (instr.bandpass)
em_res_power 3.01108002663   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-bbe1-013ec99f50b5  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-07T12:08:12 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (065.487520355089103+19.534887662870)[FK5/J2000] (pos.angDistance)
_RAJ200004 21 57.00488522139 "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+19 32 05.5955863338 "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)
_RAB195004 19 01.82432334079 "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+19 25 04.0970057484 "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)
_Glon176.22322186784734 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-20.89419643817661 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?975874/975874o  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_nameMegaPrime  instrument name (meta.id;instr)
obs_id975874  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_nameNGC 1555  name of intended target (meta.id)
s_ra065.487520355089103 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+19.534887662870 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 1.400456093038750   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 66.00931988103268 19.037026991327778 64.96989381735278 19.033631880595692 64.96309764227819 20.031566659595796 66.00786605806924 20.034689374755004  region bounded by observation (obs.field)
s_resolution    typical spatial resolution (pos.angResolution)
s_xel118984   dimensions (number of pixels) along one spatial axis (meta.number)
s_xel219274   dimensions (number of pixels) along the other spatial axis (meta.number)
t_min54537.3222561 d start time of observation (MJD) (t_min) (time.epoch)
t_max54537.3227194 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 40.03099822998047 s exposure time of observation (time.expo)
t_resolution 40.03099822998047   typical temporal resolution (time.resolution)
t_xel 1   dimensions (number of pixels) along the time axis (time.scale)
em_min 5.54200000000e-07 m start spectral coordinate value (instr.bandpass)
em_max 6.95500000000e-07 m stop spectral coordinate value (instr.bandpass)
em_res_power 4.42215013504   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_id00000000-0000-0000-6669-013ec9a0bab7  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-07T12:10:17 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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