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Name
  TW Cap  
AAVSO UID
000-BCL-038 (445 observations)  
Constellation
Capricornus Sequence
J2000.0
20 14 28.42 -13 50 07.9  (303.61842 -13.83553) Search nearby
B1950.0 20 11 40.87 -13 59 17.1
Proper motion
RA: -4.301 +/- 0.197 mas/yDec: -12.825 +/- 0.145 mas/ySource: Gaia DR1
Galactic coord. 29.409 -24.540
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
AAVSO 2008-14 AN 240.1932 ASAS J201428-1350.2
BD-14 5679 HIP 99765  
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Variability type
CWA
Spectral type A5Ib-F4Ib
Mag. range
9.95 - 11.4 V
Discoverer --
Epoch
19 Aug 2008 (HJD 2454698.000) Ephemeris
Outburst --
Period 28.585 d
Rise/eclipse dur. 20%
Remarks
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1 GCVS Team P var. P = 28.6421871d (JD2414000 - 17600); P = 28.61700115d (JD2417600 - 24000) [S.Gaposchkin, HA 115, N23, 1950.]; Max = 2426211.90 + 28.59497d*E (JD2421400 - 26200) [V.P.Zessewitsch, Odessa Izv. 1, Issue 2, 40, 1948.]; Max = 2435664.8 + 28.5578d*E (JD2426210 - 37500) [Th.Walraven, A.B.Mueller, P.Th.Oosterhoff, BAN 14, 81, 1958.]; since JD2437500 - see Table. 0.14P <= M - m <= 0.40P. [Fe/H] = -0.72.
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References
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1 G.Pojmanski, Acta Astronomica 52, 397, 2002. 2002AcA....52..397P
2 General Catalogue of Variable Stars, 4th Edition, Volumes I-III, P.N.
Kholopov et al.
--
3 F.M.Bateson, M.Morel, R.Winnett, Charts for southern variables, ser. N10,
1979.
--
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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 = 9.11H = 8.65K = 8.60J - K = 0.51
AllWISE W1 = 8.54W2 = 8.47W3 = 8.13W4 = 7.88W1 - W2 = 0.07W3 - W4 = 0.25
APASS-DR9 B = 11.36V = 10.65g' = 10.81r' = 10.57i' = 10.51B - V = 0.71
GALEX-DR5 FUV = 19.83NUV = 15.28FUV - NUV = 4.55
Images
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Supporting Documents
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Revision History
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3 Otero, Sebastian Alberto 2011-04-08 18:06 UTC Primary record creation. Period, rise duration, epoch and minimum magnitude from ASAS-3 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.