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  QV Nor  
000-BDW-380 (No observations)  
Norma Sequence
15 42 23.36 -52 23 09.6  (235.59733 -52.38600) Search nearby
B1950.0 15 38 38.74 -52 13 36.1
Proper motion
RA: -9.8 +/- 2.2 mas/yDec: -9.6 +/- 2.1 mas/ySource: UCAC4
Galactic coord. 327.420 +2.164
Other names

(Internal only)
1RXS J154222.8-522311 2MASS J15422335-5223095 GX 327+04
USNO-B1.0 0376-0662142 X 15386-522  
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Variability type
Spectral type B0Iabe
Mag. range
16.19 - 16.31 B
Discoverer --
25 Aug 1976 (HJD 2443016.3) Ephemeris
Outburst --
Period 3.72863 d
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto V= 14.4.
2 GCVS Team 3U 1538 - 52. No.12 [A.P.Cowley, D.Crampton, J.B.Hutchings, W.Liller, N.Sanduleak, ApJ 218, L3, 1977.]. Epoch of Min corresponding to the X-ray eclipse is given. Depth of Min I 0.05m V, that of Min II 0.08m V. The period of X-ray pulses Px = 528.928s [P.J.N.Davison, M.G.Watson, J.P.Pye, MN 181, 73P, 1977.]. A flare was observed with Delta(m) > 0.3m [G.Branduardi-Raymont, P.Murdin, QJRAS 23, 142, 1982.].
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Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Catalogue of high-mass X-ray binaries in the Galaxy (4th edition) 2006A&A...455.1165L
2 M.Pakull, S. van Amerongen, R.Bakker, KER, J. van Paradijs, AsAp 122, N1/2,
79, 1983.
3 A.P.Cowley, D.Crampton, J.B.Hutchings, W.Liller, N.Sanduleak, ApJ 218, L3,
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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 = 10.36H = 9.91K = 9.68J - K = 0.68
AllWISE W1 = 9.26W2 = 9.12W3 = 9.02W4 = 8.38W1 - W2 = 0.14W3 - W4 = 0.64
APASS-DR9 B = 16.29V = 14.31g' = 15.19r' = 13.49i' = 12.53B - V = 1.98
Please review Digitized Sky Survey Acknowledgment and Copyright.
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Supporting Documents
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Stellar Association Membership
 Loden 2313 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2011-05-23 17:06 UTC Type corrected.
3 Otero, Sebastian Alberto 2011-05-22 22:44 UTC Primary record creation. Variability and spectral type from reference. 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.