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Latest Details
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Name
  omi Dra  
AAVSO UID
000-BDQ-500 (No observations)  
Constellation
Draco Sequence
J2000.0
18 51 12.10 +59 23 18.1  (282.80042 +59.38836) Search nearby
B1950.0 18 50 27.90 +59 19 36.3
Proper motion
RA: 77.47 +/- 0.24 mas/yDec: 25.37 +/- 0.28 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 89.307 +23.135
Other names

(Internal only)
47 Dra 1RXS J185112.4+592314 ADS 11779 A
BD+59 1925 HD 175306 HIP 92512
HR 7125 SAO 31218 TYC 3930-1790-1
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Variability type
EA/RS
Spectral type G9IIIb
Mag. range
4.61 - 4.67 V
Discoverer --
Epoch
13 Jan 1992 (HJD 2448635.19) Ephemeris
Outburst --
Period 138.3 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Min I amplitude 0.04 mag. Eccentric system, Min II (ampl. 0.02 mag.) at phase 0.45.
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References
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1 Malkov, O. Y., et al., 2012, Dynamical masses of a selected sample of
orbital binaries
2012A&A...546A..69M
2 The Hipparcos and Tycho Catalogues, Variability Annex: Periodic variables,
1997
1997HIP...C......0E
3 D.S.Hall, W.T.Persinger, Cool Stars,Stellar Systems,and the Sun (Lecture
Notes in Physics 254),88,1986.
1986LNP...254...88H
External Links
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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 = 2.52H = 1.87K = 1.66J - K = 0.87
AllWISE W3 = 1.79W4 = 1.69W3 - W4 = 0.10
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2013-07-06 19:41 UTC Spectral type and period from 2012A&A...546A..69M. Type and position from HIPPARCOS. Range from HIPPARCOS and the GCPD.
3 Admin, VSX 2012-03-14 23:49 UTC Update from [1997HIP...C......0E].
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.