VizieR

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

VizieR

start AladinLite
B/cfht/cfht Log of CFHT Exposures (CADC, 1979-)
Old Observation Log (October 2002 to 2007) (original column names in green) (631125 rows)
  expnum=241435
Post annotation about this record

Note: The column expnum provides an access to details on the exposures, and a link to the Preview and Retrieval System via the CADC

ColumnValue  Explain   (UCD)
_RAJ200014 15 39.872 "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 10 45.42 "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)
_RAB195014 13 19.046 "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 24 39.68 "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)
_Glon015.043164 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+69.109210 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)

expnum241435  (i) [1/] Exposure unique identifier (meta.ref)
RAJ200014 15 39.9 "h:m:s" (i) Right Ascension (J2000) at the beginning of the exposure (pos.eq.ra;meta.main)
DEJ2000+19 10 45 "d:m:s" (i) Declination (J2000) at the beginning of the exposure (pos.eq.dec;meta.main)
ObsDate 1994-02-26T15:29:40 s Observation date (based on universal time, in DMF format = seconds since 1980) (time.epoch;obs)
ExpTime 60 s Exposure time in seconds for the exposure (time.duration;obs.exposure)
classo  Class of observation, coming from cfht (Note)   (meta.code;obs)
scienceY   [YCFHOT] Exposure Science classification (Note)   (meta.code.class)
previewI   [YCILPST] Existence of a preview (Note)   (meta.ref.url;pos.frame)
ObsTypeOBJECT  Observation type (BIAS, FLAT, OBJECT, etc...) (meta.note)
ObjectALPHA BOO CO 2-0 FILTER 26 FEB 1994  Target name as typed by the observer (meta.id)
InstrumFTS  Name of the instrument (meta.id;instr)
DetectorINSB  Name of the detector in use for this exposure (meta.id;instr.det)
airmass 1.057   Value of the airmass at the beginning of the exposure (obs.airMass)
FocusI.R.  Name of the telescope focus in use (meta.id;instr)
PInameRucinski  Name of the Principal Investigator as typed by the support astronomer (obs.observer)
ObserverS. RUCINSKI, J.P.M  Observer name as typed by the support astronomer (obs.observer)
RelDate 1996-02-27T15:29:40 s Release date of the exposure in DMF format (seconds since 1980) (time.epoch)
X 5632 pix Dimension of the image (X) (instr.fov;instr.pixel)
Y  pix Dimension of the image (Y) (instr.fov;instr.pixel)
runID1994IC04  Run Identification, made of YYYY + Semester (I-II) + Country (C-F-H) + running number (meta.record;phot.color;em.opt.I)
CommentAPERTURE 5 ARCSEC G=1 DIVIDER ON  Comments as typed in by the observer (meta.note;obs.observer)

CFHTArchive  Dearchive Request (meta.ref.url)
  
elapse time 0

Thanks for acknowledging the VizieR Service
Rules of usage of VizieR data

© Université de Strasbourg/CNRS

    • Contact