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Latest Details
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Name
  OP Her  
AAVSO UID
000-BCW-013 (14162 observations)  
Constellation
Hercules Sequence
J2000.0
17 56 48.53 +45 21 03.1  (269.20221 +45.35086) Search nearby
B1950.0 17 55 22.37 +45 21 21.7
Proper motion
RA: 14.82 +/- 0.31 mas/yDec: -31.06 +/- 0.27 mas/ySource: F. Van Leeuwen, 2007
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
There are currently no remarks on file for this star. (Not logged in)  Add remark
References
Click reference title/citation to view in new window. Roll over index number to view submission details.
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. --
External Links
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Location    Go   
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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 = 1.46H = 0.37K = 0.20J - K = 1.26
AllWISE W3 = -0.40W4 = -0.65W3 - W4 = 0.26
Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 17 56 48.53 +45 21 03.1 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
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.

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