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Name
  NSVS 5718230  
AAVSO UID
000-BLM-634 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 12 40.50 +41 03 47.6  (303.16877 +41.06322) Search nearby
B1950.0 20 10 55.53 +40 54 42.7
Proper motion
RA: -6.215 +/- 4.898 mas/yDec: -4.592 +/- 0.795 mas/ySource: Gaia DR1
Galactic coord. 77.804 +3.820
Other names

(Internal only)
2MASS J20124050+4103475 ASASSN-V J201240.50+410347.8 GSC 03155-01427
UCAC4 656-087639 USNO-B1.01310-0383217 ZTF J201240.49+410347.6
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Variability type
EA
Spectral type --
Mag. range
12.765 (0.68) g
Discoverer Ivan Sergey, Dubrovski Sergei, Astrobloknot Team
Epoch
04 Jun 2019 (HJD 2458638.963) Ephemeris
Outburst --
Period 1.2384192 d
Rise/eclipse dur. 12%  (3.567 h)
Remarks
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1 Sergey, Ivan Eccentric system. Min II at phase 0.53. NSVS magnitudes contaminated by UCAC4 656-087630 (V= 14.2; sep. 21"), UCAC4 656-087637 (V= 14.2; sep. 36") and UCAC4 656-087625 (V= 14.8; sep. 40"). Range has been corrected.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars		 2020arXiv200508662C
3 Northern Sky Variability Survey, Wozniak, P.R., et al., 2004 2004AJ....127.2436W
External Links
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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 = 11.29H = 11.19K = 11.10J - K = 0.19
AllWISE W1 = 11.11W2 = 11.13W3 = 8.84W4 = 5.91W1 - W2 = -0.01W3 - W4 = 2.93
APASS-DR9 B = 13.02V = 12.54g' = 12.72r' = 12.40i' = 12.33B - V = 0.48
Images
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Supporting Documents
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1 Phase Plot Sergey, Ivan 2015-01-14 23:26 UTC
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Revision History
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2 Otero, Sebastian Alberto 2021-10-26 08:05 UTC Update from 2020arXiv200508662C. Amplitude from ZTF light curve. Gaia EDR3 position.
1 Sergey, Ivan 2015-01-15 19:00 UTC Initial submission.

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