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Latest Details
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Name
  V0539 Vel  
AAVSO UID
--  
Constellation
Vela Sequence
J2000.0
09 44 09.40 -56 17 11.7  (146.03917 -56.28658) Search nearby
B1950.0 09 42 31.67 -56 03 22.4
Galactic coord. 279.035 -2.366
Other names

(Internal only)
2MASS J09440940-5617117 ASASSN-V J094409.36-561711.4 GDS_J0944094-561711
[PK2008] HalphaJ094409 [PK2008] J094409.36-561711.4  
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Variability type
CV+E
Spectral type --
Mag. range
15.95 - 18.2 Rc
Discoverer --
Epoch
20 Feb 2008 (HJD 2454516.7039) Ephemeris
Outburst --
Period 0.1879340 d  (4.51042 h)
Rise/eclipse dur. 11.2%  (0.505 h)
Remarks
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1 2008MNRAS.385.1471P Eclipsing system. Possibly an SW Sex star. Large amplitude variability. Strong He II (468.6 nm) emission.
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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 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2015, IBVS 6151
2015IBVS.6151....1K
3 K.M.G. Silva et al., 2011, IBVS 5971 2011IBVS.5971....1S
4 M.L. Pretorius, C. Knigge, 2008, MNRAS, 385, 1471 2008MNRAS.385.1471P
5 D.W. Hoard, The Big List of SW Sextantis Stars 2003AJ....126.2473H
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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 = 15.72H = 15.40K = 14.96J - K = 0.76
AllWISE W1 = 14.63W2 = 14.97W3 = 12.60W1 - W2 = -0.34
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2020-05-24 19:08 UTC Range from the GCVS (November 2019 version).
3 Admin, VSX 2015-11-20 02:59 UTC Update from [2015IBVS.6151....1K].
2 Admin, VSX 2011-02-06 17:48 UTC Update from [2011IBVS.5971....1S].
1 Admin, VSX 2008-09-03 00:58 UTC Initial upload.