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Details for Revision 2
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Name
  RR CrB  
AAVSO UID
000-BBW-452 (23292 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 41 26.23 +38 33 26.6  (235.35929 +38.55739) Search nearby
B1950.0 15 39 36.33 +38 42 59.6
Galactic coord. 61.848 +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
SRB
Spectral type M5
Mag. range
8.4 - 10.1 p
Discoverer --
Epoch
--
Outburst --
Period 60.8 d
Rise/eclipse dur. 50%  (30 d)
Remarks
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1 GCVS Team P2 = 377d. Delta(m) (P1) ~0.5m, Delta(m) (P2) ~0.6m.
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References
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1 The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
2 C.Payne-Gaposchkin, HA 118, N11, 1952. 1952AnHar.118....1P
3 Dunér, N. C.; Hartwig, E.; Muller, G., 1908, Benennung von neu entdeckten
veränderlichen Sternen		 1908AN....179...85D
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Supporting Documents
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Campaigns/Programs
 Binocular program
 LPV Program
Revision History
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4 Fernig, Leo 2022-09-21 20:30 UTC Discoverer updated from 1908AN....179...85D p91
3 Otero, Sebastian Alberto 2011-08-15 20:39 UTC Range from Hipparcos/Tycho and AAVSO data. Spectral type from Buscombe (1999) and Skiff (2010).
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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