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Name
CTCV J2056-3014
AAVSO UID
Constellation
J2000.0
B1950.0
20 53 50.22 -30 26 13.3
Galactic coord.
14.680 -39.033
Other names(Internal only)
1RXS J205652.1-301433
2MASS J20565214-3014389
2RXS J205651.9-301432
ASAS J205652-3014.6
GALEX J205652.1-301439
GSC 07458-01048
USNO-A2.0 0525-42936187
USNO-B1.0 0597-0926083
VHS J205652.17-301439.6
WISE J205652.17-301439.4
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Variability type
UGSU/DQ
Spectral type
--
Mag. range
12.6 V - 18.2 c
Discoverer
--
Epoch
Outburst
--
Period
0.0732 d (105.4 min)
Rise/eclipse dur.
--
Remarks
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1
Schmeer, Patrick
Gaia DR2 parallax 3.80 ± 0.11 mas (distance 261 ± 8 pc).
2
Denisenko, Denis
WD spin period 0.0107 d (15.4 min) with 0.15m amplitude. Outbursts on 1974-06-17 Blue and 1990-09-24 Red DSS plates.
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References
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1
D. Denisenko, 2021, vsnet-alert #25697
--
2
J. Hambsch; T. Kato, 2020, vsnet-alert #24665
--
3
Tonry, J. L.; et al., 2018, ATLAS: A High-cadence All-sky Survey System
2018PASP..130f4505T
4
Özdönmez, A.; Ak, T.; Bilir, S., 2015, Galactic model parameters of
2015NewA...34..234O
5
Augusteijn, T.; et al., 2010, Cataclysmic variables from the Calan-Tololo
2010MNRAS.405..621A
6
R.A. Downes et al., 2001, PASP 113, 764 (2006 archival version)
2005JAD....11....2D
7
Pojmanski, G., 2002, The All Sky Automated Survey
2002AcA....52..397P
8
R.A. Downes et al., 2001, PASP 113, 764
2001PASP..113..764D
External Links
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Location
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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 = 15.78 H = 15.26 K = 14.88 J - K = 0.90
AllWISE
W1 = 14.55 W2 = 14.19 W1 - W2 = 0.36
APASS-DR9
B = 15.08 V = 15.06 g' = 14.99 r' = 14.88 i' = 13.83 B - V = 0.02
GALEX-DR5
FUV = 17.72 NUV = 17.40 FUV - NUV = 0.32
Images
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Supporting Documents
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Revision History
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