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  RR CrB  
000-BBW-452 (21268 observations)  
Corona Borealis Sequence
15 41 26.20 +38 33 27.0  (235.35917 +38.55750) Search nearby
B1950.0 15 39 36.30 +38 43 00.0
Galactic coord. 61.849 +52.876
Other names

(Internal only)
AAVSO 1537+38 AN 158.1907 BD+39 2901
DO 15304 GSC 03053-01035 HD 140297
HIP 76844 HV 3002 IRAS 15396+3842
IRC +40271 SAO 64848 TYC 3053-1035-1
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Variability type
Spectral type M5
Mag. range
8.4 - 10.1 p
Discoverer --
Outburst --
Period 60.8 d
Rise/eclipse dur. 50%  (30 d)
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1 GCVS Team P2 = 377d. Delta(m) (P1) ~0.5m, Delta(m) (P2) ~0.6m.
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1 The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
2 C.Payne-Gaposchkin, HA 118, N11, 1952. 1952AnHar.118....1P
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Supporting Documents
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 Binocular program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2011-08-15 16:39 UTC Range from Hipparcos/Tycho and AAVSO data. Spectral type from Buscombe (1999) and Skiff (2010).
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.