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 (2021-10-04)
image/fits
(22600 rows)
  recno=17
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ColumnValue  Explain   (UCD)
_RAJ200005 35 15.0000 "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)
_DEJ2000-05 23 20.004 "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)
_RAB195005 32 47.5341 "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)
_DEB1950-05 25 13.389 "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)
_Glon209.0070626 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-19.3891087 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)
17recno 17  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum200016  Sequence Number (Note 1)   (meta.id;meta.main)
ObsID 18  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-I  Instrument (Note 3)   (meta.id;instr)
ModeTE_001B4  Observing mode for ACIS instrument (Note 4)   (instr.setup)
Grat   Grating (Note 5)   (instr.setup)
AppExp 13.739 ks Approved exposure time (ks) (time.duration;obs.exposure)
ExpTime 47.440 ks Exposure time (ks) (time.duration;obs.exposure)
TargetTRAPEZIUM CLUSTER  Target Name as specified in proposal (meta.id)
PInameGarmire  Name of Principal Investigator (meta.id)
RAJ2000083.81250 deg (i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
DEJ2000-05.38889 deg (i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
Statusarchived  Status of the observation (Note 6)   (meta.code;obs)
ObsDate 1999-10-12T10:20:02 s (i) Start Observation date (time.start;obs)
PubDate2001-05-19 s Public release date "YYYY.MM.DD" (time)
TypeGTO  Type of observation (Note 7)   (meta.note)
PrNum01200039   Proposal Number (meta.bib)
CategorySTARS AND WD  Category of the observed target (Note 8)   (src.class)
AO01  Announcement of opportunity (proposal round) (meta.code)
  
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Rules of usage of VizieR data

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