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Latest Details
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Name
  BT CrB  
AAVSO UID
000-BFT-552 (1378 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 56 56.95 +35 23 36.6  (239.23729 +35.39350) Search nearby
B1950.0 15 55 04.03 +35 32 12.8
Galactic coord. 56.630 +49.874
Other names

(Internal only)
1SWXRT J155656.6+352340 ASASSN-V J155656.93+352336.7 CRTS J155656.9+352338
CRTS J155656.9+352339 CSS_J155656.9+352337 GALEX J155656.9+352338
GALEX J155657.0+352338 GSC2.3 N61Y007218 SACS J155656.9+352335
SDSS J155656.92+352336.6 URAT1 627-206262 USNO-A2.0 1200-07702266
USNO-B1.0 1253-0235319 XMMOM J155656.9+352337  
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Variability type
UGSU+E
Spectral type pec(e)
Mag. range
16.4 - 20.4 CV
Discoverer --
Epoch
07 Jul 2004 (HJD 2453193.859) Ephemeris
Outburst --
Period 0.0892 d  (2.14 h)
Rise/eclipse dur. --
Remarks
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 R. Pickard; T. Kato, 2018, vsnet-alert #21888 --
2 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
3 Coppejans, D. L.; et al., 2016, Statistical properties of dwarf novae-type
cataclysmic variables: the outburst catalogue
2016MNRAS.456.4441C
4 Drake, A. J.; et al., 2014, Cataclysmic variables from the Catalina
Real-time Transient Survey
2014MNRAS.441.1186D
5 E.V. Kazarovets, N.N. Samus, O.V. Durlevich, N.N. Kireeva, E.N. Pastukhova,
2011, IBVS 6008
2011IBVS.6008....1K
6 B.T. Gaensicke et al., 2009, arXiv:0905.3476v1 [astro-ph.SR] 2009arXiv0905.3476G
7 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
8 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
9 Szkody P. et al., 2006, AJ 131, 937 2006AJ....131..973S
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.
GALEX-DR5 FUV = 18.32NUV = 18.61FUV - NUV = -0.29
SDSS-DR12 u = 19.18g = 18.92r = 18.86i = 18.83z = 18.75u - g = 0.26r - i = 0.03
Images
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Supporting Documents
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Revision History
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7 Otero, Sebastian Alberto 2020-05-24 17:18 UTC Period and epoch from the GCVS (November 2019 version).
6 Schmeer, Patrick 2018-02-19 12:55 UTC Type from vsnet-alert 21888. Range from CRTS data.
5 Bernhard, Klaus 2017-02-01 01:40 UTC PPMXL position. CRTS identification from 2016MNRAS.456.4441C.
4 Admin, VSX 2011-12-24 05:53 UTC Update from [2011IBVS.6008....1K].
3 Admin, VSX 2009-10-01 00:22 UTC Dwarf nova type and magnitude range from CRTS data.
2 Admin, VSX 2009-05-28 01:30 UTC Update from [2009arXiv0905.3476G].
1 Admin, VSX 2008-07-29 00:33 UTC Initial upload.