VizieR

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VizieR

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J/ApJS/188/473/table4 Chandra variable guide star catalog (Nichols+, 2010)
The VGuide catalog (See also online supplementary data at http://cxc.harvard.edu/vguide/index.php?link=data_table.php&navlink=variables&sublink=all&T=NQ) (827 rows)
  recno=687
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ColumnValue  Explain   (UCD)
_RAJ200018 17 36.2500 "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)
_DEJ2000-34 06 26.100 "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)
_RAB195018 14 17.3076 "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)
_DEB1950-34 07 35.761 "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)
_Glon358.8272895 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 -8.4703682 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)
687recno 687  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

AGASCID 969941472  Chandra Guide Star Catalog (AGASC) ID (meta.id;meta.main)
SIMBADV* RS Sgr  Simbad star name (meta.id)
RAJ200018 17 36.25 "h:m:s" (i) AGASC Hour of Right Ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-34 06 26.1 "d:m:s" (i) AGASC Degree of Declination (J2000) (pos.eq.dec;meta.main)
OTypeEclipsing binary of Algol type  Simbad long object type (src.class)
SpTypeB3V+...  Simbad spectral type (src.spType)
otypAl*  Simbad star short type (defined in OType) (src.class)
VarEclipsing  Variability Category (Note 1)   (meta.code;src.var)
VclassEA/SD  Variability Classification (as defined in B/gcvs) (classification) (meta.code;src.var)
Epoch 29.000 d Epoch of Variability (time.epoch)
Period 2.415683 d Period of Variability (time.period)
UVY   [Y/N] Ultra-Violet Source (meta.code)
X    [Y/N] X-Ray Source (meta.code)
IRY   [Y/N] Infra-Red Source (meta.code)
Num 1  Number of Chandra observations (Note 2)   (meta.number)
Exp 24 ks Total Chandra observation time (Note 2)   (time.epoch)
KnY   [Y/N] Previously Known Variable (meta.code)
StatusACCEPTED  VGuide Status of Star (suspect or accepted) (meta.code)
  
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