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Name
  RY Dra  
AAVSO UID
000-BBT-376 (47439 observations)  
Constellation
Draco Sequence
J2000.0
12 56 25.91 +65 59 39.8  (194.10796 +65.99439) Search nearby
B1950.0 12 54 28.25 +66 15 53.4
Proper motion
RA: 13.34 +/- 0.51 mas/yDec: -9.83 +/- 0.54 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 122.123 +51.126
Other names

(Internal only)
AAVSO 1252+66 AN 10.1907 BD+66 780
HD 112559 HIP 63152 HV 1310
IRC +70116 RAFGL 1588 SAO 15945
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Variability type
SRB
Spectral type C4,5J(N4p)
Mag. range
5.88 - 8.0 V
Discoverer Müller and Kempf (1907)
Epoch
--
Outburst --
Period 300: d
Rise/eclipse dur. --
Remarks
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References
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1 Multiperiodicity in semiregular variables. I. General properties 1999A&A...346..542K
2 Dunér, N. C.; Hartwig, E.; Muller, G., 1907, Benennung von neu entdeckten
veränderlichen Sternen		 1907AN....176..181.
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.		 --
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 = 2.16H = 0.95K = 0.39J - K = 1.76
AllWISE W3 = -0.74W4 = -1.13W3 - W4 = 0.40
SDSS-DR12 u = 12.04g = 8.52r = 10.51i = 10.97z = 4.92u - g = 3.52r - i = -0.46
Images
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Supporting Documents
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Campaigns/Programs
 Binocular program
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Fernig, Leo 2022-09-21 20:29 UTC Discoverer updated from 1907AN....176..181. p188
3 Otero, Sebastian Alberto 2011-07-21 20:15 UTC Maximum magnitude and range from 1999A&A...346..542K.
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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