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Details for Revision 2
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Name
  NSV 24792  
AAVSO UID
000-BCG-910 (34 observations)  
Constellation
Vulpecula Sequence
J2000.0
19 29 20.90 +20 16 46.9  (292.33710 +20.27970) Search nearby
B1950.0 19 27 10.00 +20 10 30.4
Galactic coord. 55.203 +1.179
Other names

(Internal only)
7 Vul BD+19 4039 HD 183537
HIP 95818 HR 7409 SAO 87269
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Variability type
VAR
Spectral type B5Vn
Mag. range
6.34 (0.009) V
Discoverer --
Epoch
--
Outburst --
Period 0.55923 d  (13.422 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Single-lined spectroscopic binary with P= 69.3 d. Low mass companion (2011MNRAS.413.2760V).
2 GCVS Team Var in UV [P.R.Wesselius, R.J.van Duinen, A.R.W.de Jonge, J.W.G.Aalders, W.Luinge, K.J.Wildeman, AsAp Suppl 49, No.3, 427, 1982.]. Hp = 6.29 - 6.34 [The Hipparcos and Tycho Catalogues, Vol.11 and Vol.17, CD-ROM No.1, SP-1200, ESA, 1997.].
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References
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1 Vennes, S.; Kawka, A.; Jonić, S.; et al., 2011, On the nature of the
Be star HR 7409 (7 Vul)		 2011MNRAS.413.2760V
2 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
3 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
4 G.Hill, R.W.Hilditch, E.L.Pfannenschmidt, Victoria Publ 15, No.1, 1976. 1976PDAO...15....1H
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2020-05-28 03:55 UTC Type and spectral type from 2011MNRAS.413.2760V. Maximum magnitude from the GCPD. Minimum magnitude from Hipparcos data. Gaia DR2 position.
2 Admin, VSX 2013-05-03 23:34 UTC Update from [2002MNRAS.331...45K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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