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Details for Revision 2
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Name
  TV Crt  
AAVSO UID
000-BDN-155 (889 observations)  
Constellation
Crater Sequence
J2000.0
11 22 05.29 -24 46 39.8  (170.52204 -24.77772) Search nearby
B1950.0 11 19 36.77 -24 30 12.1
Galactic coord. 278.396 +33.802
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXS J112205.4-244632 2EUVE J1122-24.7 2MASS J11220530-2446393
2RXP J112205.4-244632 ADS 8141 ASAS J112205-2446.4
ASAS J112205-2446.7 CCDM J11221-2447A CCDM J11221-2447AB
CCDM J11221-2447B CD-24 9706 CD-24 9706B
CPD-24 4651 EUVE J1122-24.7 GJ 2084
GJ 2084 A GJ 2084 B GJ 2084.0 AB
GLMP 294 GSC 06654-00219 Gaia DR3 3534414590303807232
Gaia DR3 3534414594600352896 HD 98800 HD 98800 A
HD 98800 B HIP 55505 IRAS 11195-2430
IRAS F11196-2430 MCBB 3-84 PDS 54
PM J11220-2446 PMSC 11171-2414 PMSC 11171-2414A
PMSC 11171-2414Aab PMSC 11171-2414B PMSC 11171-2414Bab
PPM 258903 RX J1122.0-2446 RX J112205.4-244641
SAO 179815 SBC9 2449 SBC9 2450
TIC 97815168 TWA 4 TWA 4A
TWA 4B TYC 6654-219-1 TYC 6654-219-2
UCAC4 327-061982 WDS J11221-2447A WDS J11221-2447AB
WDS J11221-2447Aa,Ab WDS J11221-2447B WDS J11221-2447Ba,Bb
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Variability type
RS
Spectral type --
Mag. range
8.91 - 8.98 V
Discoverer --
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Two pairs of binary stars, AaAb (P= 264.26 d) and BaBb (P= 314.63 d). AB P= 230 yrs. The binary BaBb has been observed to have a circumbinary disc and it will occult AaAb for 8-11 yrs (centered on 2028).
2 Admin, VSX Member of the TW Hydrae association.
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References
Click reference title/citation to view in new window. Roll over index number to view submission details.
1 Faruqi, A.; Kennedy, G.; Nealon, R.; Rowther, S., 2025, Modelling a
transiting circumbinary disc in the HD98800 system		 2025MNRAS.537.2516F
2 M. Kiraga, 2012, Acta Astronomica 62, 67 2012AcA....62...67K
3 S. Messina, S. Desidera, M. Tutatto, A.C. Lanzafame, E.F. Guinan, 2010, A&A
520, A15		 2010A&A...520A..15M
4 C. Koen, L. Eyer, 2002, MNRAS 331, 45 2002MNRAS.331...45K
5 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
6 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
7 G.W.Henry, F.C.Fekel, D.S.Hall, AJ 110, No.6, 2926, 1995. 1995AJ....110.2926H
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2025-04-17 04:07 UTC Type, spectral type and orbital periods from 2025MNRAS.537.2516F. Maximum magnitude derived from Hipparcos data. Minimum magnitude from ASAS-3 data.
3 Admin, VSX 2011-12-23 02:35 UTC Update from [2010A&A...520A..15M].
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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