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Latest Details
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Name
  V3903 Sgr  
AAVSO UID
000-BCX-090 (40 observations)  
Constellation
Sagittarius Sequence
J2000.0
18 09 17.70 -23 59 18.2  (272.32375 -23.98839) Search nearby
B1950.0 18 06 14.24 -23 59 52.1
Proper motion
RA: 2.699 +/- 0.048 mas/yDec: -1.246 +/- 0.031 mas/ySource: Gaia DR1
Galactic coord. 6.937 -2.103
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1803-24 ASASSN-V J180917.80-235919.3 CD-24 13962
CPD-24 6247 HD 165921 HIP 88943
IOMC 6843000028 SAO 186366  
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Variability type
EA/DM
Spectral type O7V+O9V
Mag. range
7.26 - 7.49 V
Discoverer --
Epoch
15 Aug 1989 (HJD 2447754.4713) Ephemeris
Outburst --
Period 1.744193 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team The member of the open cluster Collinder 367. In the nebula Simeis 188.
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References
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1 V 3903 Sagittarii: a massive main-sequence (O7V+O9V) detached eclipsing
binary
Vaz, L.P.R., Cunha, N.C.S., Vieira, E.F., Myrrha, M.L.M., 1997, A&A, 327,
1094
2 Bob Nelson's O-C files, 2016 --
3 J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
arXiv:1210.0821 [astro-ph.IM] (online info)
2012arXiv1210.0821A
4 K.T. Wraight, G.J. White, D. Bewsher, A.J. Norton, 2011, MNRAS 416, 2477 2011MNRAS.416.2477W
5 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
6 W.Herbst, D.P.Miller, J.W.Warner, A.Herzog, AJ 87, N1, 98, 1982. 1982AJ.....87...98H
7 A.W.J.Cousins, MN ASSA 32, 11, 1973. 1973MNSSA..32...11C
8 CALEB - Catalog and AtLas of Eclipsing Binaries --
External Links
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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 = 6.82H = 6.79K = 6.78J - K = 0.04
AllWISE W1 = 6.75W2 = 6.84W3 = 7.26W1 - W2 = -0.09
APASS-DR9 g' = 7.48r' = 7.36
Images
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Supporting Documents
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1 Lightcurve of V3903 Sgr Otero, Sebastian Alberto 2006-08-02 02:04 UTC Lightcurve combining ASAS-3 and HIP data
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Stellar Association Membership
 Collinder 367 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
2 Otero, Sebastian Alberto 2006-08-01 22:04 UTC V magnitude and period from ASAS and HIP data
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.