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Details for Revision 5
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Name
  V0658 Car  
AAVSO UID
--  
Constellation
Carina Sequence
J2000.0
10 38 47.28 -58 43 32.5  (159.69700 -58.72569) Search nearby
B1950.0 10 36 51.96 -58 27 54.0
Galactic coord. 286.434 -0.169
Other names

(Internal only)
CD-58 3440 CPD-58 2461 GDS_J1038472-584332
GSC 08613-00763 HD 92406 Hen 3-462
LSS 1712 NSV 18470  
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Variability type
EA
Spectral type B5Vpe shell
Mag. range
9.08 - 9.40 V
Discoverer --
Epoch
26 May 2003 (HJD 2452786.436) Ephemeris
Outburst --
Period 32.1855 d
Rise/eclipse dur. 1.8%  (0.58 d)
Remarks
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1 Otero, Sebastian Alberto Post-Algol binary with circumstellar disk. The secondary might be called a "hot low-mass dwarf". Gradual loss of light prior to the eclipses (duration 18%) as the light of the hotter secondary star is partially absorbed by an increasing fraction of the semi-transparent gas disk.
2 Admin, VSX Min II = 9.23V.
3 GCVS Team Spectrum var; m1 var. Non-member of the open cluster vdBH 99.
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References
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1 de Amorim, T.; et al., 2023, The unique Be system HD 92406 with two stellar
and two disk eclipses		 --
2 N. Hauck, 2018, Eclipsing binary V658 Carinae (HD 92406) containing a shell
star and a hot low-mass star in the post-Algol stage		 2018BAVSR..67...41H
3 Hauck, N., 2016, A post-Algol system showing eclipses of a Bp shell star
and a ‘hot low-mass dwarf’ discovered in V658 Carinae		 2016BAVSR..65d...1H
4 Hauck, N., 2016, A post-Algol system showing eclipses of a Bp shell star
and a ‘hot low-mass dwarf’ discovered in V658 Carinae		 2016BAVSR..65d...1H
5 Bob Nelson's O-C files, 2016 --
6 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2008, IBVS 5863		 2008IBVS.5863....1K
7 S.A.Otero, P.Wils, P.A.Dubovsky, IBVS N5586, 2005. 2005IBVS.5586....1O
8 A.U.Landolt, C.L.Perry, O.H.Levato, S.M.Malorada, AJ 100, No.3, 695, 1990. 1990AJ....100..695L
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Supporting Documents
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Revision History
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8 Otero, Sebastian Alberto 2024-07-02 20:52 UTC Type in the type corrected.
7 Otero, Sebastian Alberto 2024-06-29 05:14 UTC Type and spectral type from de Amorim et al. (2023).
6 Otero, Sebastian Alberto 2018-12-01 04:56 UTC Spectral type, eclipse duration and elements from 2018BAVSR..67...41H. Gaia DR2 position.
5 Otero, Sebastian Alberto 2017-01-10 07:58 UTC Elements, eclipse duration and spectral type from 2016BAVSR..65d...1H.
4 Admin, VSX 2010-01-05 04:43 UTC Update from the GCVS version of November 2009.
3 Admin, VSX 2008-12-03 03:25 UTC Primary name changed to GCVS designation [2008IBVS.5863....1K]
2 Admin, VSX 2007-03-23 19:55 UTC Update from [2005IBVS.5586....1O].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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