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Latest Details
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Name
  X CrB  
AAVSO UID
000-BBW-584 (15498 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 48 53.53 +36 14 52.6  (237.22302 +36.24794) Search nearby
B1950.0 15 47 01.00 +36 23 58.8
Proper motion
RA: -1.407 +/- 0.060 mas/yDec: -3.330 +/- 0.080 mas/ySource: Gaia DR1
Galactic coord. 57.964 +51.512
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1545+36 AN 44.1906 ASASSN-V J154853.52+361452.9
HD 141678 HIP 77460 HV 1204
NSVS J1548537+361453 ROTSE1 J154853.70+361452.5 ZTF J154853.52+361452.6
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Variability type
M
Spectral type M5e-M7e
Mag. range
8.5 - 14.2 V
Discoverer Williamina Fleming (1906)
Epoch
29 Jul 1978 (HJD 2443719) Ephemeris
Outburst --
Period 241.17 d
Rise/eclipse dur. 46%  (110.938200000000 d)
Remarks
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 P.R. Wozniak, S.J. Williams, W.T. Vestrand, V. Gupta, AJ 128, 2965, 2004 2004AJ....128.2965W
4 C.Akerlof et al., AJ 119, 1901, 2000. 2000AJ....119.1901A
5 Cannon, A. J., 1907, Second catalogue of variable stars 1907AnHar..55....1C
6 T. Karlsson, Maxima of Mira stars --
7 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
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Location    Go   
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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 = 4.57H = 3.70K = 3.18J - K = 1.39
AllWISE W1 = 3.37W2 = 2.58W3 = 2.13W4 = 1.61W1 - W2 = 0.79W3 - W4 = 0.52
APASS-DR9 B = 11.26
GALEX-DR5 NUV = 19.98
SDSS-DR12 u = 14.85g = 15.15r = 11.86i = 9.06z = 7.69u - g = -0.30r - i = 2.79
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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4 Fernig, Leo 2022-04-22 13:33 UTC Discoverer updated from 1907AnHar..55....1C page 18
3 Otero, Sebastian Alberto 2021-10-26 08:23 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
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.