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Name
HW Vir
AAVSO UID
Constellation
J2000.0
B1950.0
12 41 44.62 -08 23 51.5
Proper motion
Galactic coord.
299.934 +54.159
Other names(Internal only)
2MASS J12442024-0840168
ASAS J124420-0840.3
ASASSN-V J124420.24-084016.8
ASASSN-V J124420.30-084016.6
BD-07 3477
HIP 62157
IOMC 5528000022
PG 1241-084
PPM 195791
TIC 156618553
TYC 5528-629-1
UCAC4 407-055365
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Variability type
EA/HW
Spectral type
sdB+dM
Mag. range
10.48 - 11.38 V
Discoverer
--
Epoch
Outburst
--
Period
0.11671948 d (2.801268 h)
Rise/eclipse dur.
12% (0.3362 h)
Remarks
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1
Otero, Sebastian Alberto
Min II= 10.62 V.
2
Renz, Wolfgang
Its an (non-eclipsing,) circuumstellar exoplanet system that was found by the exoplanet's light time effect in the O-C values of the close dwarf system binary eclipses.
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References
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1
Baran, A. S.; Østensen, R. H.; Heber, U.; et al., 2021, Space observations
2021MNRAS.503.2157B
2
Schaffenroth, V.; Barlow, B. N.; Geier, S.; et al., 2019, The EREBOS
2019A&A...630A..80S
3
Bob Nelson's O-C files, 2016
--
4
J. Alfonso-Garzon, A. Domingo, J.M. Mas-Hesse, A. Gimenez, 2012,
2012arXiv1210.0821A
5
The sdB+M Eclipsing System HW Virginis and its Circumbinary Planets
2009AJ....137.3181L
6
J.M. Kreiner, 2004, Acta Astronomica 54, 207
2004AcA....54..207K
7
Pojmanski, G., 2002, The All Sky Automated Survey
2002AcA....52..397P
8
Wood J.H., Zhang E.O., Robinson E.L., 1993, MNRAS, 261, 103
1993MNRAS.261..103W
9
SAAO Report 1985,20,1986.
--
10
Extrasolar Planets Encyclopaedia - Candidates detected by timing - HW Vir
--
External Links
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Location
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NSVS
CRTS
ZTF
Pan-STARRS1 Data
Pan-STARRS1 Images
SkyMorph
Kamogata Wide-field Survey (KWS)
O-C Gateway (name)
O-C Gateway (coords)
Atlas of O-C Diagrams
Lichtenknecker Database
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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 = 10.97 H = 11.09 K = 11.12 J - K = -0.15
AllWISE
W1 = 11.40 W2 = 11.46 W3 = 11.31 W1 - W2 = -0.06
APASS-DR9
B = 10.38 V = 10.58 g' = 10.46 r' = 10.85 i' = 11.27 B - V = -0.20
SDSS-DR12
u = 10.79 g = 10.36 r = 10.81 i = 11.13 z = 11.88 u - g = 0.43 r - i = -0.32
Images
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Supporting Documents
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Revision History
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