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Name
  RY Cam  
AAVSO UID
000-BBH-089 (6813 observations)  
Constellation
Camelopardalis Sequence
J2000.0
04 30 50.07 +64 26 30.4  (67.70862 +64.44178) Search nearby
B1950.0 04 26 07.77 +64 20 01.5
Proper motion
RA: 20.792 +/- 0.057 mas/yDec: -14.861 +/- 0.055 mas/ySource: Gaia DR1
Galactic coord. 143.990 +10.970
Other names

(Internal only)
AAVSO 0421+64 AN 41.1907 ASASSN-V J043050.21+642631.2
BD+64 451 HD 28168 HIP 21059
HV 2898 IRC +60142 RAFGL 4347S
SAO 13165    
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Variability type
SRB
Spectral type M3III
Mag. range
7.7 - 8.7 V
Discoverer Henrietta Leavitt (1907)
Epoch
22 Apr 1966 (HJD 2439238.00) Ephemeris
Outburst --
Period 135.75 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team Possibly P2 = 150.8d.
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References
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1 The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
2 B.V.Kukarkin, Tr. Gos. Astron. Inst. Sternberg 16, Issue 1, 128-186, 1948. 1949TrSht..16..128K
3 Dunér, N. C.; Hartwig, E.; Muller, G., 1911, Benennung von neu entdeckten
veränderlichen Sternen		 1911AN....190...57.
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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 = 3.35H = 2.44K = 2.01J - K = 1.34
AllWISE W3 = 1.75W4 = 1.49W3 - W4 = 0.25
APASS-DR9 B = 10.27V = 8.15g' = 9.69r' = 7.49i' = 6.04B - V = 2.12
GALEX-DR5 NUV = 20.30
Images
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Supporting Documents
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Revision History
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4 Fernig, Leo 2022-11-15 22:31 UTC Discoverer updated from 1911AN....190...57. page 64.
3 Otero, Sebastian Alberto 2011-07-26 02:33 UTC Range from Hipparcos /Tycho data.
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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