VizieR

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

VizieR

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B/chandra/chandra The Chandra Archive Log (CXC, 1999-2014)
The Chandra Log (2020-03-22)
image/fits
(19752 rows)
  recno=6243
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ColumnValue  Explain   (UCD)
_RAJ200015 56 33.7992 "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+35 17 57.984 "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)
_RAB195015 54 40.6209 "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+35 26 35.339 "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)
_Glon056.4810953 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+49.9504961 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)
6243recno 6243  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum701297  Sequence Number (Note 1)   (meta.id;meta.main)
ObsID 6879  Observation ID (Note 2)   (meta.id;obs)

HighHigh  Get the high resolution image or spectrum of this observation (meta.ref.url)
LowLow  Get the lower resolution image or spectrum of this observation (meta.ref.url)

InstrACIS-S  Instrument (Note 3)   (meta.id;instr)
ModeTE_002AE  Observing mode for ACIS instrument (Note 4)   (instr.setup)
Grat   Grating (Note 5)   (instr.setup)
AppExp 60.000 ks Approved exposure time (ks) (time.duration;obs.exposure)
ExpTime 59.960 ks Exposure time (ks) (time.duration;obs.exposure)
TargetFIRST 1556+3517  Target Name as specified in proposal (meta.id)
PInameBrotherton  Name of Principal Investigator (meta.id)
RAJ2000239.14083 deg (i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
DEJ2000+35.29944 deg (i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
Statusarchived  Status of the observation (Note 6)   (meta.code;obs)
ObsDate 2006-06-02T09:24:39 s Start Observation date (time.start;obs)
PubDate2007-06-15 s Public release date "YYYY.MM.DD" (time)
TypeGO  Type of observation (Note 7)   (meta.note)
PrNum07700811   Proposal Number (meta.bib)
CategoryACTIVE GALAXIES AND QUASARS  Category of the observed target (Note 8)   (src.class)
AO07  Announcement of opportunity (proposal round) (meta.code)
  
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Rules of usage of VizieR data

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