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 (2021-07-25)
image/fits
(21547 rows)
  recno=3401
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ColumnValue  Explain   (UCD)
_RAJ200005 35 16.6992 "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 24.000 "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 49.2347 "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 17.261 "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)
_Glon209.0114921 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-19.3833244 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)
3401recno 3401  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum200214  Sequence Number (Note 1)   (meta.id;meta.main)
ObsID 3744  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_005DE  Observing mode for ACIS instrument (Note 4)   (instr.setup)
Grat   Grating (Note 5)   (instr.setup)
AppExp170.000 ks Approved exposure time (ks) (time.duration;obs.exposure)
ExpTime 166.330 ks Exposure time (ks) (time.duration;obs.exposure)
TargetORION NEBULA CLUSTER  Target Name as specified in proposal (meta.id)
PInameFeigelson  Name of Principal Investigator (meta.id)
RAJ2000083.81958 deg (i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
DEJ2000-05.39000 deg (i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
Statusarchived  Status of the observation (Note 6)   (meta.code;obs)
ObsDate 2003-01-10T16:16:36 s (i) Start Observation date (time.start;obs)
PubDate2004-01-29 s Public release date "YYYY.MM.DD" (time)
TypeGO  Type of observation (Note 7)   (meta.note)
PrNum04200331   Proposal Number (meta.bib)
CategorySTARS AND WD  Category of the observed target (Note 8)   (src.class)
AO04  Announcement of opportunity (proposal round) (meta.code)
  
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Rules of usage of VizieR data

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