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 (2020-03-29)
image/fits
(19759 rows)
  recno=1366
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ColumnValue  Explain   (UCD)
_RAJ200000 20 25.2000 "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+15 40 53.004 "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)
_RAB195000 17 49.8814 "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+15 24 14.518 "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)
_Glon112.0469766 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-46.5337580 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)
1366recno 1366  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum700211  Sequence Number (Note 1)   (meta.id;meta.main)
ObsID 1595  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_002A2  Observing mode for ACIS instrument (Note 4)   (instr.setup)
Grat   Grating (Note 5)   (instr.setup)
AppExp 20.000 ks Approved exposure time (ks) (time.duration;obs.exposure)
ExpTime 20.100 ks Exposure time (ks) (time.duration;obs.exposure)
Target3C9  Target Name as specified in proposal (meta.id)
PInameFabian  Name of Principal Investigator (meta.id)
RAJ2000005.10500 deg (i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
DEJ2000+15.68139 deg (i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
Statusarchived  Status of the observation (Note 6)   (meta.code;obs)
ObsDate 2001-06-10T13:33:18 s Start Observation date (time.start;obs)
PubDate2002-07-23 s Public release date "YYYY.MM.DD" (time)
TypeGTO  Type of observation (Note 7)   (meta.note)
PrNum02700018   Proposal Number (meta.bib)
CategoryACTIVE GALAXIES AND QUASARS  Category of the observed target (Note 8)   (src.class)
AO02  Announcement of opportunity (proposal round) (meta.code)
  
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Rules of usage of VizieR data

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