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Name
  RV UMa  
AAVSO UID
000-BBT-740 (26323 observations)  
Constellation
Ursa Major Sequence
J2000.0
13 33 18.09 +53 59 14.6  (203.32538 +53.98739) Search nearby
B1950.0 13 31 20.73 +54 14 38.8
Proper motion
RA: -27.228 +/- 0.112 mas/yDec: -42.783 +/- 0.130 mas/ySource: Gaia DR1
Galactic coord. 109.757 +62.057
Other names

(Internal only)
AAVSO 1329+54 AN 139.1907 BD+54 1607
HIP 66122    
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Variability type
RRAB/BL
Spectral type A6-F5
Mag. range
9.81 - 11.3 V
Discoverer L. Ceraski (1 October 1907)
Epoch
16 Apr 1982 (HJD 2445075.511) Ephemeris
Outburst --
Period 0.46806 d  (11.233 h)
Rise/eclipse dur. 20%  (2.2 h)
Remarks
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1 GCVS Team P var. Max = 2417861.434 + 0.4680618d*E (JD2417800 - 25000); Max = 2425053.675 + 0.4680654d*E (JD2425000 - 29000) [A.V.Solov'ev, Tadj. Tr. 1, Issue 3, 1941.]; Max = 2438459.945 + 0.468062d*E (JD2429000 - 40000) [V.P.Zessewitsch, Stars of RR Lirae Type (in russian), Kiev, 1966.]; since JD2440000 - see Table. Blazhko effect, Pi = 92.12d (JD2436229 - 38114) [S.Kanyo, Bud Mitt N69, 1976.]. Pi var. [Fe/H] = -1.04; Delta(S) = 3.5.
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References
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1 V.P.Yudkina, Perem. Zvezdy 8, N4, 289, 1952. --
2 W. Ceraski, 1907, Trois variables nouvelles 1907AN....176..109C
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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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 = 10.09H = 9.84K = 9.82J - K = 0.27
AllWISE W1 = 9.75W2 = 9.76W3 = 9.72W4 = 9.06W1 - W2 = -0.01W3 - W4 = 0.66
APASS-DR9 B = 11.43V = 11.00g' = 11.23r' = 10.87i' = 10.78B - V = 0.43
SDSS-DR12 u = 14.46g = 11.32r = 11.06i = 10.98z = 11.45u - g = 3.15r - i = 0.09
Images
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Supporting Documents
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Revision History
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4 Billiaert, Bruno 2015-12-29 18:12 UTC discoverer added (1907AN....176..109C)
3 Admin, VSX 2015-12-18 21:44 UTC Updated variability type to indicate Blazhko effect.
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.