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Name
  SW CrB  
AAVSO UID
000-BKS-050 (13082 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 40 45.31 +38 43 06.9  (235.18879 +38.71858) Search nearby
B1950.0 15 38 55.53 +38 52 42.2
Proper motion
RA: 9.790 +/- 0.052 mas/yDec: 2.745 +/- 0.050 mas/ySource: Gaia DR1
Galactic coord. 62.135 +52.994
Other names

(Internal only)
AAVSO 1537+39 AN 623.1936 ASASSN-V J154045.29+384306.4
BD+39 2898 HD 140155 HIP 76791
IRAS 15389+3852 SAO 64844 TYC 3053-1195-1
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Variability type
SRB
Spectral type K5
Mag. range
7.73 - 7.77 V
Discoverer --
Epoch
--
Outburst --
Period 100: d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Variability 7.8 - 8.5 V in the GCVS is not confirmed.
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References
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1 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (November 2019)		 2017ARep...61...80S
2 The HIPPARCOS Catalogue 1997HIP...C......0E
3 I.A.Middlemist, Light Curve 1, N5, 13, 1976. --
External Links
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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 = 5.04H = 4.18K = 3.96J - K = 1.08
AllWISE W1 = 3.91W2 = 3.73W3 = 3.90W4 = 3.80W1 - W2 = 0.17W3 - W4 = 0.10
APASS-DR9
GALEX-DR5 FUV = 21.25NUV = 18.09FUV - NUV = 3.17
SDSS-DR12 u = 12.72g = 9.08r = 7.27i = 6.79z = 8.11u - g = 3.64r - i = 0.48
Images
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Supporting Documents
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Campaigns/Programs
 LPV Program
Revision History
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4 Otero, Sebastian Alberto 2020-05-24 17:41 UTC Type and period from the GCVS (November 2019 version).
3 Otero, Sebastian Alberto 2011-08-15 21:54 UTC Spectral type from Cannon and Pickering (1918-1924). Type and range from Hipparcos data.
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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