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Name
  TX CVn  
AAVSO UID
000-BBT-182 (66553 observations)  
Constellation
Canes Venatici Sequence
J2000.0
12 44 42.06 +36 45 50.7  (191.17525 +36.76408) Search nearby
B1950.0 12 42 17.85 +37 02 15.2
Proper motion
RA: -12.864 +/- 0.620 mas/yDec: -4.747 +/- 0.729 mas/ySource: Gaia DR1
Galactic coord. 130.932 +80.259
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J12444206+3645506 AAVSO 1239+37 BD+37 2318
Downes TX CVn GSC 02533-01168 PPM 76696
SAO 63173 TYC 2533-1168-1 [M60b] +37 382
[SS59] I 334    
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Variability type
ZAND+ELL
Spectral type B1-B9Veq+K0III-M4
Mag. range
9.34 - 10.28 V
Discoverer --
Epoch
--
Outburst --
Period 199.75 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team SB2 (P = 70.8d) [J.W.Fried, AsAp 88, 141, 1980.].
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References
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1 M. Wiecek, M. Mikolajewski, T. Tomov, M. Cikala, C. Galan, A. Majcher, E.
Swierczynski, P. Wychudzki, P. Rozanski, S. Frackowiak, J.L. Janowski, D.
Graczyk, 2010, arXiv:1003.0608v1 [astro-ph.SR]
2010arXiv1003.0608W
2 R.A.Downes, 2001, PASP 113, 764 (2006 archival) 2005JAD....11....2D
3 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
4 Photometry of symbiotic stars: an international campaign 6. 1995CoSka..25...53S
5 G.S.Mumford III, PASP 68, 538, 1956. 1956PASP...68..538M
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 = 7.47H = 6.58K = 6.25J - K = 1.23
AllWISE W1 = 5.79W2 = 5.25W3 = 3.54W4 = 2.78W1 - W2 = 0.54W3 - W4 = 0.76
GALEX-DR5 FUV = 14.29NUV = 13.24FUV - NUV = 1.05
SDSS-DR12 u = 14.09g = 10.49r = 9.67i = 9.24z = 9.22u - g = 3.59r - i = 0.43
Images
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Supporting Documents
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Campaigns/Programs
 Legacy CVs
Revision History
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4 Otero, Sebastian Alberto 2011-06-10 01:02 UTC Maximum magnitude from Hill and Barnes (1982PDAO...16...71H). Minimum magnitude from Skopal et al. (1995CoSka..25...53S)
3 Admin, VSX 2010-03-04 21:43 UTC Update from [2010arXiv1003.0608W].
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.