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Name
  NSV 24923  
AAVSO UID
000-BCJ-374 (10 observations)  
Constellation
Cygnus Sequence
J2000.0
19 51 59.10 +47 01 39.0  (297.99625 +47.02750) Search nearby
B1950.0 19 50 28.67 +46 53 51.4
Galactic coord. 80.993 +10.092
Other names

(Internal only)
BD+46 2793 HD 188209 HIP 97757
HR 7589 SAO 48917  
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Variability type
IA
Spectral type O9.5Iab
Mag. range
5.55 (0.05) B
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team SB1. Hp = 5.58 - 5.64 [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 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
2 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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2 Admin, VSX 2013-05-03 23:35 UTC Update from [2002MNRAS.331...45K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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