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Name
  T CrB  
AAVSO UID
000-BBW-825 (103707 observations)  
Constellation
Corona Borealis Sequence
J2000.0
15 59 30.16 +25 55 12.6  (239.87567 +25.92017) Search nearby
B1950.0 15 57 24.54 +26 03 39.6
Galactic coord. 42.374 +48.165
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 1555+26 ASAS J155930+2555.2 BD+26 2765
Downes T CrB HD 143454 HIP 78322
HR 5958 MWC 413 SAO 84129
X 15574+261    
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Variability type
NR+ELL
Spectral type M3III+pec(NOVA)
Mag. range
2.0 - 10.8 V
Discoverer J. Birmingham
Epoch
27 Jan 1990 (HJD 2447919.0) Ephemeris
Outburst 1946
Period 227.6
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Amplitude for ELL variations 0.45 mag. GCVS outburst cycle 29,000 days.
2 GCVS Team VB? A (B <= 12m, 0.2"). SB (P = 227.6d). The spectral period is present in the photometric data of 1891 - 1917 and 1960 - 1971 [J.Bailey, JBAA 85, N3, 217, 1975.]. The epoch of the first outburst JD2402734 (1866). Two smaller outbursts were observed in UV light, JD2438030 (1963) and 2442543 (1975) [L.H.Palmer, J.L.Africano, IBVS N2069, 1982.].
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References
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1 M. Gromadzki, J. Mikolajewska, I. Soszynski, 2013, arXiv:1312.6063
[astro-ph.SR]
2013arXiv1312.6063G
2 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
3 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
4 R.A.Downes, 2001, PASP 113, 764 2001PASP..113..764D
External Links
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 15 59 30.16 +25 55 12.6 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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Campaigns/Programs
 Legacy CVs
 BAA VSS Recurrent Objects Programme
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Admin, VSX 2013-12-27 00:48 UTC Update from [2013arXiv1312.6063G]
4 Otero, Sebastian Alberto 2011-01-11 20:48 UTC Primary record creation. Orbital period from Downes (2001). Epoch from ASAS-3 data.
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 15:52 UTC Discoverer added.
1 Admin, VSX 2005-12-17 20:33 UTC Initial database population.