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  WX Cen  
000-BCV-275 (25301 observations)  
Centaurus Sequence
13 12 52.38 -63 23 45.9  (198.21825 -63.39608) Search nearby
B1950.0 13 09 38.12 -63 07 51.5
Proper motion
RA: -6.0 +/- 2.5 mas/yDec: -2.9 +/- 2.5 mas/ySource: UCAC4
Galactic coord. 305.329 -0.624
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1306-62 Cen X-2 Downes WX Cen
GDS_J1312524-632346 HV 1262 IOMC 8994000047
X 13240-625    
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Variability type
Spectral type WN3h/CE
Mag. range
12.7 - 14.1 V
Discoverer --
15 Apr 2013 (HJD 2456397.7677) Ephemeris
Outburst --
Period 0.41695902 d  (10.007016 h)
Rise/eclipse dur. --
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Otero, Sebastian Alberto Period decrease (4.4 s in about 100 yr).
2 Otero, Sebastian Alberto V Sge star.
3 Otero, Sebastian Alberto ASAS-3 data confirm the presence of outbursts. Supersoft X-ray source; CV with stationary hydrogen burning on the white dwarf.
4 GCVS Team B-V ~ +0.45, U-B ~ -0.72. Proposed as an optical counterpart of the transient X-ray source Cen X-2 [O.J.Eggen, K.C.Freeman, A.Sandage, ApJ 154, L27, 1968.], though no optical bursts were observed.
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Qian, S.-B.; et al., 2013, Is WX Cen a Possible Type Ia Supernova
Progenitor with Wind-driven Mass Transfer?
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
3 Transient jets in V617 Sagittarii 2007A&A...471L..25S
4 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
5 Catalogue of cataclysmic binaries, low-mass X-ray binaries and related
objects (7th Edition, rev. 7.14, September 2010)
6 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
7 W.B.Weaver, ApJ 189, 263, 1974. 1974ApJ...189..263W
8 O.J.Eggen, K.C.Freeman, A.Sandage, ApJ 154, L27, 1968. 1968ApJ...154L..27E
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 11.86H = 11.52K = 11.16J - K = 0.70
APASS-DR9 B = 14.03V = 13.56g' = 13.76r' = 13.28i' = 13.04B - V = 0.47
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Stellar Association Membership
 NGC 5045 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2014-05-21 14:48 UTC Type, period and epoch from 2013ApJ...772L..18Q. Maximum magnitude from AAVSO V data.
4 Otero, Sebastian Alberto 2011-05-22 21:06 UTC Subtype from reference.
3 Otero, Sebastian Alberto 2011-01-17 21:06 UTC Primary record creation. Orbital period from Downes (2001). Range from ASAS-3 data. Spectral type from Skiff (2010). UCAC3 position.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.