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 (2020-10-18)
image/fits
(21378 rows)
  ObsID=8449
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ColumnValue  Explain   (UCD)
_RAJ200001 53 00.4992 "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)
_DEJ2000-13 44 18.996 "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)
_RAB195001 50 34.4643 "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)
_DEB1950-13 59 04.277 "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)
_Glon173.0190791 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-70.3572656 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)
7579recno 7579  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

SeqNum600500  Sequence Number (Note 1)   (meta.id;meta.main)
ObsID 8449  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_0046E  Observing mode for ACIS instrument (Note 4)   (instr.setup)
Grat   Grating (Note 5)   (instr.setup)
AppExp 19.000 ks Approved exposure time (ks) (time.duration;obs.exposure)
ExpTime 19.160 ks Exposure time (ks) (time.duration;obs.exposure)
TargetNGC 720  Target Name as specified in proposal (meta.id)
PInameHumphrey  Name of Principal Investigator (meta.id)
RAJ2000028.25208 deg (i) RA in J2000 decimal degrees (pos.eq.ra;meta.main)
DEJ2000-13.73861 deg (i) Dec in J2000 decimal degrees (pos.eq.dec;meta.main)
Statusarchived  Status of the observation (Note 6)   (meta.code;obs)
ObsDate 2006-10-12T00:17:40 s Start Observation date (time.start;obs)
PubDate2007-10-13 s Public release date "YYYY.MM.DD" (time)
TypeGO  Type of observation (Note 7)   (meta.note)
PrNum07610802   Proposal Number (meta.bib)
CategoryNORMAL GALAXIES  Category of the observed target (Note 8)   (src.class)
AO07  Announcement of opportunity (proposal round) (meta.code)
  
elapse time 2

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Rules of usage of VizieR data

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