VizieR

CfA VizieR . ADAC VizieR . CADC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . Beijing (Ch) VizieR .

VizieR

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B/jcmt/obscore Jame Clerk Maxwell Telescope Science Archive (CADC, 2003)
The JCMT Observation Log (original column names in green) (1356718 rows)
  -c=339.2569817515 +34.4170273516086, eq=J2000, rs=0.005
Post annotation about this record
ColumnValue  Explain   (UCD)
_r0.000 arcsec Distance from center (339.2569817515+34.4170273516086)[FK5/J2000] (pos.angDistance)
_RAJ200022 37 01.675620355 "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+34 25 01.29846579 "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)
_RAB195022 34 44.238283015 "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+34 09 26.14041576 "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)
_Glon093.715181162417 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-20.718603248897 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/JCMT?20110908-cad0476196e778411e263934ce2646e1/reduced-850um  Publisher dataset identifier (meta.id;meta.dataset)
obs_collectionJCMT  Short name for the data colection (meta.id;meta.dataset)
facility_nameJCMT  Telescope name (meta.id;instr.tel)
instrument_nameSCUBA-2  Instrument name (meta.id;instr)
obs_id20110908-cad0476196e778411e263934ce2646e1  Internal dataset identifier (meta.id;meta.dataset)
dataproduct_typeimage   Type of product (meta.note)
calib_level2   [0/2] ? Calibration level (0,1,2,3) (phot.calib;arith.zp)
obs_release_date399254398 s Timestamp of date the data becomes publicly available (time.epoch)
target_nameNGC7331  Name of intended target (meta.id)
s_ra339.2569817515 deg (i) Right ascension of central coordinates (J2000) (s_ra) (pos.eq.ra;meta.main)
s_dec+34.4170273516086 deg (i) declination of central coordinates (J2000) (s_dec) (pos.eq.dec;meta.main)
s_fov 0.4360819756891   Size of the region covered (∼diameter of minimum bounding circle) (instr.fov;instr.pixel)
s_regionPolygon ICRS 339.44183128651184 34.57301398047074 339.4411800862319 34.26079397768574 339.0728210791981 34.26076381698618 339.0720944519647 34.572983465220425  Region bounded by observation (obs.field)
s_resolution    Typical spatial resolution (pos.angResolution)
s_xel1274   Dimensions (number of pixels) along one spatial axis (meta.number)
s_xel2281   Dimensions (number of pixels) along the other spatial axis (meta.number)
t_min55812.3830440 d Start time of observation (MJD) (t_min) (time.epoch)
t_max55812.5163542 d End time of observation (MJD) (t_max) (time.epoch)
t_exptime 0.00178 d Exposure time of observation (time.expo)
t_resolution    Typical temporal resolution (time.resolution)
t_xel 1   Dimensions (number of pixels) along the time axis (time.scale)
em_min 0.000815011699051 m Start spectral coordinate value (instr.bandpass)
em_max 0.000885012703436 m Stop spectral coordinate value (instr.bandpass)
em_res_power    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 i 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 files (meta.note)
access_estsize    Estimated size of the download (meta.number)
core_id00000000-0000-0000-a3f3-014c54b9c1b8  (i) primary key (meta.id.part;meta.main)
lastModified 2019-01-31T04:18:59 s (i) Last modification of the metadata (time.epoch)

SimbadSimbad  ask the Simbad data-base about this object (meta.ref.url)
  
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Rules of usage of VizieR data

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