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Latest Details
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Name
  TW Vir  
AAVSO UID
000-BBS-380 (20157 observations)  
Constellation
Virgo Sequence
J2000.0
11 45 21.17 -04 26 05.8  (176.33821 -4.43494) Search nearby
B1950.0 11 42 47.77 -04 09 24.8
Proper motion
RA: 6.8 +/- 3.8 mas/yDec: -23.1 +/- 4.3 mas/ySource: UCAC4
Galactic coord. 273.605 +54.630
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J114521.1-042613 1SWXRT J114521.0-042607 1SXPS J114521.2-042607
2MASS J11452115-0426055 2RXS J114521.2-042605 AAVSO 1140-03
CRTS J114521.1-042605 CRTS J114521.2-042606 Downes TW Vir
EPIC 201185922 GALEX J114521.3-042604 Gaia19dhk
PG 1142-041    
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Variability type
UGSS
Spectral type pec(UG)+M5-6V
Mag. range
11.5 - 17.5 V
Discoverer --
Epoch
--
Outburst --
Period 0.182682 d  (4.3844 h)
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto GCVS outburst cycle 32 d.
2 GCVS Team Porb = 0.182666d [A.W.Shafter, IBVS N2377, 1983.]. Variability of ellipsoidal character in H light: P = Porb/2, A(H) = 0.13m. X-ray source.
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References
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1 Gaia Alerts, 2019 (online data) --
2 Dai, Z.; et al., 2017, Quiescent photometric modulations of two
low-inclination cataclysmic variables KZGem and TWVir
2017arXiv170804948D
3 Coppejans, D. L.; et al., 2016, Statistical properties of dwarf novae-type
cataclysmic variables: the outburst catalogue
2016MNRAS.456.4441C
4 Armstrong, D. J.; et al., 2015, K2 Variable Catalogue (online data) 2015A&A...579A..19A
5 Armstrong, D. J.; Kirk, J.; Lam, K. W. F.; et al., 2015, K2 Variable
Catalogue: Variable stars and eclipsing binaries in K2 campaigns 1 and 0
2015A&A...579A..19A
6 Drake, A. J.; et al., 2014, Cataclysmic variables from the Catalina
Real-time Transient Survey
2014MNRAS.441.1186D
7 Catalina Real-time Transient Survey, 2013 (MLS Data) 2009ApJ...696..870D
8 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
9 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
10 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
11 P.Szkody, J.A.Mattei, PASP 96, 988, 1984. 1984PASP...96..988S
12 G.Williams, ApJ Suppl 53, N3, 523, 1983. 1983ApJS...53..523W
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 = 13.35H = 13.08K = 12.94J - K = 0.41
AllWISE W1 = 13.37W2 = 13.15W1 - W2 = 0.22
APASS-DR9 B = 17.38V = 17.02g' = 17.39r' = 16.84B - V = 0.36
Images
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Supporting Documents
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Campaigns/Programs
 Legacy CVs
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
6 Otero, Sebastian Alberto 2019-08-07 03:32 UTC Gaia DR2 position.
5 Otero, Sebastian Alberto 2017-08-18 05:26 UTC Period from 2017arXiv170804948D.
4 Bernhard, Klaus 2017-01-31 21:04 UTC PPMXL position. CRTS identification from 2016MNRAS.456.4441C.
3 Otero, Sebastian Alberto 2012-04-12 19:42 UTC Primary record creation. Orbital period and spectral type from Ritter and Kolb (2011, 2003A&A...404..301R). Range from AAVSO data.
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.