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Name
  bet CrB  
AAVSO UID
000-BBW-196 (6 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 27 49.73 +29 06 20.6  (231.95721 +29.10572) Search nearby
B1950.0 15 25 45.99 +29 16 37.5
Proper motion
RA: -180.17 mas/yDec: 85.92 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 45.587 +55.617
Other names

(Internal only)
3 CrB BD+29 2670 HD 137909
HIP 75695 HR 5747 SAO 83831
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Variability type
ACV
Spectral type F0IIIp(Sr-Cr-Eu)
Mag. range
3.65 - 3.72 V
Discoverer --
Epoch
23 Apr 1969 (HJD 2440335) Ephemeris
Outburst --
Period 18.487 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team VB A (B ~ 5m - 6m, 0.2", ~130deg, 1978). SB (P = 3833.7d). Magnetic field var, P = 18.487d. The epoch of Min light is given.
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References
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1 C.Bartolini, P.Battistini, R.Pecorari, IBVS N435, 1970. 1970IBVS..435....1B
2 J.Mattei, E.Mayer, M.Baldwin, Sky and Tel 60, N4, 285, 1980. --
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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 = 3.60H = 3.55K = 3.46J - K = 0.14
Images
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Supporting Documents
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Revision History
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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.