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=065.487520355092698 +19.534917662871, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (065.487520355092698+19.534917662871)[FK5/J2000] (pos.angDistance)
_RAJ200004 21 57.00488522225 "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 05.7035863345 "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 01.82428765747 "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 04.2050046746 "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)
_Glon176.22319755714472 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-20.89417683810178 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?975836/975836o  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_id975836  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_ra065.487520355092698 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+19.534917662871 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 1.400456093031570   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 66.00931997530768 19.0370569900836 64.969893723857 19.033661879371536 64.96309754217049 20.031596658339282 66.00786615742325 20.034719373517703  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_min54537.2536075 d start time of observation (MJD) (t_min) (time.epoch)
t_max54537.2553447 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 150.09100341796875 s exposure time of observation (time.expo)
t_resolution 150.09100341796875   typical temporal resolution (time.resolution)
t_xel 1   dimensions (number of pixels) along the time axis (time.scale)
em_min 3.32100000000e-07 m start spectral coordinate value (instr.bandpass)
em_max 4.18800000000e-07 m stop spectral coordinate value (instr.bandpass)
em_res_power 4.33045005798   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_id00000000-0000-0000-35a8-013ec9a00553  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-07T12:07:55 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (065.487520355092698+19.534917662871)[FK5/J2000] (pos.angDistance)
_RAJ200004 21 57.00488522225 "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 05.7035863345 "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 01.82428765747 "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 04.2050046746 "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)
_Glon176.22319755714472 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-20.89417683810178 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?975846/975846o  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_id975846  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_ra065.487520355092698 deg (i) right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+19.534917662871 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 1.400456093031570   size of the region covered, ∼diameter of minimum bounding circle (instr.fov;instr.pixel)
s_regionpolygon 66.00931997530768 19.0370569900836 64.969893723857 19.033661879371536 64.96309754217049 20.031596658339282 66.00786615742325 20.034719373517703  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_min54537.2720380 d start time of observation (MJD) (t_min) (time.epoch)
t_max54537.2725017 d end time of observation (MJD) (t_max) (time.epoch)
t_exptime 40.06499862670898 s exposure time of observation (time.expo)
t_resolution 40.06499862670898   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_id00000000-0000-0000-775d-013ec99f865a  (i) primary key (meta.id.part;meta.main)
lastmodified 2017-12-07T12:08:30 s (i) timestamp of last modification of the metadata UTC (UTC) (lastmodified) (time.epoch)
  
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