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Detail Sheet Get help for this listing
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Name
Variable   RR CrB  
AAVSO UID
000-BBW-452  
Const. Corona Borealis
J2000.0
15 41 26.23 +38 33 26.6  (235.35929 +38.55739) Search nearby
B1950.0 15 39 36.32 +38 42 56.1
Other names

(Internal only)
AAVSO 1537+38 AN 158.1907 BD+39 2901
HD 140297 HIP 76844 HV 3002
IRC +40271 SAO 64848  
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Var. type SRB
Spec. type M5
Mag. range 8.4 - 10.1 p
Discoverer --
Original ref. C.Payne-Gaposchkin, HA 118, N11, 1952.
Chart ref. AAVSO Variable Star Charts, AAVSO, Cambridge, Massachusetts.
Epoch --
Outburst --
Period 60.8
Rise dur. 50%
Remarks
(Original) 		P2 = 377d. Delta(m) (P1) ~0.5m, Delta(m) (P2) ~0.6m.
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Revision History Get help for this listing
Currently approved revision is checked. All other subsequent revisions are not yet approved.
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.

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The International Variable Star Index
© 2005-2009 American Association of Variable Star Observers (AAVSO)
Version 1.1 [O]
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