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Name
  TT Crt  
AAVSO UID
000-BBS-254 (6562 observations)  
Constellation
Crater Sequence
J2000.0
11 34 47.18 -11 45 30.4  (173.69658 -11.75844) Search nearby
B1950.0 11 32 15.10 -11 28 55.3
Proper motion
RA: -19.1 +/- 2.7 mas/yDec: 8.8 +/- 3.0 mas/ySource: UCAC4
Galactic coord. 274.879 +46.896
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
2MASS J11344718-1145304 AAVSO 1129-11 APOP 39080+0004615
ASAS J113447-1145.5 ASASSN-V J113447.17-114530.4 ATO J173.6964-11.7583
AllWISE J113447.15-114530.1 CMC15 J113447.1-114530 CSS_J113447.2-114530
DENIS J113447.2-114530 Downes TT Crt FSV 113211
GALEX J113447.2-114530 GSC2.3 S4VC004615 SMSS J113447.16-114530.2
SSS_J113447.2-114530 UCAC2 27666813 UCAC4 392-053226
USNO-A2.0 0750-07593808 USNO-B1.0 0782-0263739 WISE J113447.16-114530.0
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Variability type
UGSS
Spectral type K5
Mag. range
12.5 - 15.3 V
Discoverer Richard W. Fleet
Epoch
--
Outburst --
Period 0.26842 d  (6.442 h)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Visual discovery by R. W. Fleet on 1986 November 5 (JD 2446739.58) (The Astronomer 24, No. 285, 177, 1988). Gaia DR2 parallax 1.8420 0.0667 mas (distance 535 20 pc).
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References
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1 Light curve from CRTS/CSS (Drake et al. 2009, ApJ, 696, 870) 2009ApJ...696..870D
2 R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version) 2005JAD....11....2D
3 Catalogue of Stellar Spectral Classifications (Skiff, 2009-2016) 2004PASP..116..300T
4 Catalogue of Stellar Spectral Classifications (Skiff, 2005) 2004PASP..116..300T
5 R.A. Downes et al., 2001, PASP 113, 764 2001PASP..113..764D
6 G. M. Hurst; R. Fleet, 1988, Eruptive Object in Crater 1988IAUC.4695....1H
7 R.W.Fleet, The Astronomer 24,No.285,177,1988. --
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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 = 13.87H = 13.39K = 13.19J - K = 0.69
AllWISE W1 = 12.82W2 = 12.72W3 = 12.04W1 - W2 = 0.10
APASS-DR9 B = 16.55V = 16.01B - V = 0.54
GALEX-DR5 FUV = 17.86NUV = 17.71FUV - NUV = 0.15
Images
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Supporting Documents
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Campaigns/Programs
 Legacy CVs
Revision History
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5 Schmeer, Patrick 2018-07-08 09:15 UTC Gaia DR2 position. Type derived from orbital period. Discoverer added from The Astronomer No. 285.
4 Admin, VSX 2017-12-15 21:02 UTC Spectral type from Skiff (VizieR on-line data: B/mk)
3 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2009-09-22 20:51 UTC Added orbital period from Downes et al. [2001PASP..113..764D].
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.