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Details for Revision 6
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Name
  VY Car  
AAVSO UID
000-BBR-633 (1152 observations)  
Constellation
Carina Sequence
J2000.0
10 44 32.69 -57 33 55.3  (161.13621 -57.56536) Search nearby
B1950.0 10 42 33.22 -57 18 08.3
Galactic coord. 286.548 +1.213
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1040-57 AN 65.1906 ASAS J104433-5733.9
ASASSN-V J104440.08-573443.6 CD-56 3536 CPD-56 3737
HD 93203 HIP 52538 HV 1224
IOMC 8622000025 SAO 238416  
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Variability type
DCEP
Spectral type F6-G4Iab-Ib
Mag. range
6.91 - 8.00 V
Discoverer Henrietta Leavitt (1906)
Epoch
10 Aug 2005 (HJD 2453592.7) Ephemeris
Outburst --
Period 18.890 d
Rise/eclipse dur. 33%  (6.2 d)
Remarks
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1 Otero, Sebastian Alberto ASAS-3 magnitudes contaminated by TYC 8622-3783-1 (V= 11.0; sep. 11"). Range has been corrected. Combined range V= 6.89 - 7.93.
2 GCVS Team VB A (B 11.07m; B 9V:, 10", 150deg). P var. Nonlinear term: -0.000021d*E**2 (JD2410000 - 44200). The latest observations may be represented also by linear elements: Max = 2444161.16 + 18.9138d*E (JD2441000 - 44200). [A/H] = 0.4.
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References
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1 T. Jayasinghe, K. Z. Stanek, C. Kochanek, et al., 2019 (in preparation) --
2 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)		 2012arXiv1210.0821A
3 L.N. Berdnikov, V.V. Kravtsov, E.N. Pastukhova, D.G. Turner, 2007, PZP 7,
32		 2007PZP.....7...32B
4 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
5 D.G.Turner, AJ 82, 163, 1977. 1977AJ.....82..163T
6 Th.Walraven, A.B.Mueller, P.Th.Oosterhoff, BAN 14, 81, 1958. 1958BAN....14...81W
7 Dunér, N. C.; Hartwig, E.; Muller, G., 1913, Benennung von neu entdeckten
veränderlichen Sternen		 1913AN....195..241D
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Supporting Documents
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Revision History
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7 Otero, Sebastian Alberto 2024-06-12 15:59 UTC Period and rise duration from AAVSO data.
6 Fernig, Leo 2022-11-15 22:36 UTC Discoverer updated from 1913AN....195..241D page 250.
5 Otero, Sebastian Alberto 2013-11-06 05:06 UTC Period, epoch, rise duration and range from ASAS-3 data.
4 Admin, VSX 2012-10-05 00:46 UTC Update from [2012arXiv1210.0821A].
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2008-07-29 15:41 UTC Update from [2007PZP.....7...32B].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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