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Details for Revision 2
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Name
  S CrB  
AAVSO UID
000-BBW-063 (60525 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 21 23.96 +31 22 02.6  (230.34983 +31.36739) Search nearby
B1950.0 15 19 21.59 +31 32 45.6
Galactic coord. 49.473 +57.173
Other names

(Internal only)
AAVSO 1517+31 ASASSN-V J152123.94+312202.2 BD+31 2725
HD 136753 HIP 75143 IRC +30272
RAFGL 4990S SAO 64652  
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Variability type
M
Spectral type M6e-M8e
Mag. range
5.8 - 14.1 V
Discoverer --
Epoch
30 Dec 1980 (HJD 2444604) Ephemeris
Outburst --
Period 360.26 d
Rise/eclipse dur. 35%  (126.091000000000 d)
Remarks
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1 GCVS Team OH, H2O, SiO maser.
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References
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1 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
2 T. Karlsson, Maxima of Mira stars --
3 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Supporting Documents
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Campaigns/Programs
 Legacy LPV Program
 LPV Program
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Otero, Sebastian Alberto 2022-07-14 16:28 UTC Epoch and range from AAVSO data.
3 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 18
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.