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Name
VW Hyi
AAVSO UID
Constellation
J2000.0
B1950.0
04 09 33.00 -71 25 26.6
Galactic coord.
284.888 -38.134
Other names(Internal only)
Please note that aliases shown in grey link to obsolete records.
1RXP J040910.0-711742
1RXS J040912.0-711739
1WGA J0409.1-7117
2EUVE J0409-71.3
2MASS J04091138-7117413
2RXP J040911.4-711751
2RXS J040911.8-711740
2SXPS 151525
2SXPS J040913.1-711741
2XMM J040911.3-711742
3XMM J040911.3-711742
4XMM J040911.3-711742
AAVSO 0409-71
AN 11.1932
Downes VW Hyi
EUVE J0409-71.2
EUVE J0409-71.3
Gaia22alg
HV 8028
P 126
RE J0409-7125
RX J0409.3-7117
TIC 25133286
TYC 9156-1776-1
UCAC4 094-004101
WD J040911.40-711741.56
X 04095-714
XMMSL1 J040911.2-711744
XMMSL2 J040910.4-711737
[L63] 1
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Variability type
UGSU
Spectral type
pec(UG)
Mag. range
8.4 - 14.4 V
Discoverer
--
Epoch
Outburst
--
Period
(27.3 d)
Rise/eclipse dur.
--
Remarks
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1
GCVS Team
Mean interval between the supermaxima is 179d. Porb = 0.0742711d. Between the normal outbursts the brightness periodically increases by 0.35m - 0.40m because of hot spot appearances: Max = 2440128.0222 + 0.0742711d*E [B.Warner, MN 170, 219, 1975. ]. During the supermaxima the period between the superhumps is 0.0769d [N.Vogt, AG Mitt N57, 79, 1982.]. Sometimes the light oscillations with the amplitude 2% and cycle from 28s to 34s are observed [B.Warner, A.J.Brickhill, MN 166, 673, 1974. ].
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References
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1
Gaia Alerts, 2022 (online data)
--
2
Hamilton, R. T.; et al., 2011, Infrared Spectroscopic Observations of the
2011ApJ...728...16H
3
R.T. Hamilton, T.E. Harrison, C. Tappert, S.B. Howell, 2010,
2010arXiv1012.1368H
4
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
5
Catalogue of Stellar Spectral Classifications (Skiff, 2005)
2004MNRAS.347.1180M
6
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
7
N.Vogt, F.M.Bateson, AsAp Suppl 48, N3, 383, 1982.
1982A&AS...48..383V
8
N.Vogt, AG Mitt N57, 79, 1982.
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External Links
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Location
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AAVSO Variable Star Plotter
AAVSO Light Curve
AAVSO WebObs
APASS
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GCVS
Downes
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Supporting Documents
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Campaigns/Programs
Legacy CVs
Revision History
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