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Name
  SV Cen  
AAVSO UID
000-BDK-290 (1739 observations)  
Constellation
Centaurus Sequence
J2000.0
11 47 57.20 -60 33 58.0  (176.98833 -60.56611) Search nearby
B1950.0 11 45 30.29 -60 17 17.4
Galactic coord. 295.206 +1.350
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AN 177.1906 ASAS J114757-6034.0 CD-59 3950
CPD-59 3809 GDS_J1147572-603357 HD 102552
HV 1289    
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Variability type
EB/KE:
Spectral type B1V+B6.5II-III
Mag. range
8.71 - 9.98 V
Discoverer --
Epoch
06 Jul 1979 (HJD 2444061.06) Ephemeris
Outburst --
Period 1.6585 d
Rise/eclipse dur. --
Remarks
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1 Admin, VSX Period variable: period change rate = -2.50e-5 d/yr. Min II = 9.42V. O'Connell effect [2007MNRAS.378..757P].
2 GCVS Team Min II 9.45. Delta(m) var. P var. Min = 2433053.358 + 1.6594795d*E - 7.61d*10**(-8)*E**2 (JD2412608 - 42097). Cyclic (32a - 33.6a) period variations were noted in [D.O'Connell, Riv Publ 2, N5, 69, 1949., Z.Kviz, K.J.Murray, IBVS N1864, 1980.]. Since 1978 - see Table. P Cyg profiles in the spectrum.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)		 2017ARep...61...80S
2 Bob Nelson's O-C files, 2016 --
3 M. Hackstein, Ch. Fein, M. Haas et al., 2015, AN 336, 590 2015AN....336..590H
4 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
5 B. Pilecki, D. Fabrycky, R. Poleski, 2007, MNRAS 378, 757 2007MNRAS.378..757P
6 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
7 Z.Kviz, K.J.Murray, IBVS N1864, 1980. 1980IBVS.1864....1K
8 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 1977ApJS...35..111G
9 L.O.Loden, K.Loden, B.Nordstroem, A.Sundman, AsAp Suppl 23, N3, 283, 1976. 1976A&AS...23..283L
10 Dunér, N. C.; Hartwig, E.; Muller, G., 1907, Benennung von neu entdeckten
veränderlichen Sternen		 1907AN....176..181.
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Supporting Documents
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Revision History
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5 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1907AN....176..181. p187
4 Otero, Sebastian Alberto 2020-06-29 23:38 UTC Type from the GCVS (November 2019 version).
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-10-01 00:21 UTC Update from [2007MNRAS.378..757P].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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Version 1.1 [C]
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