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Name
  OP Her  
AAVSO UID
000-BCW-013 (14162 observations)  
Constellation
Hercules Sequence
J2000.0
17 56 48.50 +45 21 03.0  (269.20208 +45.35083) Search nearby
B1950.0 17 55 22.41 +45 21 20.1
Galactic coord. 72.159 +28.169
Other names

(Internal only)
AAVSO 1753+45 BD+45 2627 HD 163990
HIP 87850 HR 6702 IRC +50273
RAFGL 2041 SAO 47080 SON 4775
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Variability type
SRB
Spectral type M5IIb-IIIa(S)
Mag. range
5.85 - 6.73 V
Discoverer --
Epoch
01 Sep 1971 (HJD 2441196) Ephemeris
Outburst --
Period 120.5 d
Rise/eclipse dur. --
Remarks
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References
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1 G.Hill, E.B.F.Brosterhus, R.W. Hilditch, S.C.Morris, E.L.Pfannenschmidt,
P.F.Younger, Victoria Publ 15, N8, 1980.
--
2 MVS N315, 1957. --
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Supporting Documents
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Campaigns/Programs
 Binocular program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
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.