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Details for Revision 1
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Name
  V0640 Her  
AAVSO UID
000-BCW-032 (32 observations)  
Constellation
Hercules Sequence
J2000.0
17 25 54.40 +16 55 03.0  (261.47667 +16.91750) Search nearby
B1950.0 17 23 40.79 +16 57 36.4
Galactic coord. 39.332 +26.304
Other names

(Internal only)
AAVSO 1721+17 BD+17 3241 HD 157967
HIP 85302 HR 6495 IRC +20323
RAFGL 1967 SAO 102819  
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Variability type
LB
Spectral type M4IIIab
Mag. range
5.98 - 6.21 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B 14.9m, 8.5", 217deg; C 13.9m, 23", 221deg).
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References
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1 The Hipparcos and Tycho Catalogues, Variability Annex: Periodic variables,
1997
1997HIP...C......0E
2 O.J.Eggen, ApJ Suppl 14, N131, 307, 1967. 1967ApJS...14..307E
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Supporting Documents
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Revision History
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3 Admin, VSX 2012-03-15 03:48 UTC Update from [1997HIP...C......0E].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.