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Latest Details
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Name
  Vend4  
AAVSO UID
000-BLM-445 (144 observations)  
Constellation
Cygnus Sequence
J2000.0
21 42 53.84 +43 55 36.2  (325.72433 +43.92673) Search nearby
B1950.0 21 40 56.44 +43 41 50.6
Proper motion
RA: 0.3 +/- 2.8 mas/yDec: -2.9 +/- 1.7 mas/ySource: UCAC4
Galactic coord. 90.810 -6.876
Other names

(Internal only)
2MASS J21425383+4355360 ASASSN-V J214253.79+435536.0 GSC 03196-02053
IRAS 21409+4341 NSVS 5928829 UCAC4 670-102903
USNO-A2.0 1275-16339677 USNO-B1.0 1339-0437608 ZTF J214253.84+435536.2
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Variability type
SR
Spectral type --
Mag. range
12.5 - 13.5 V
Discoverer Robert Fidrich, "Vendegcsillag-kereso" (Guest Star Hunter) Team
Epoch
12 Aug 2018 (HJD 2458342.8242) Ephemeris
Outburst --
Period 461.2861909 d
Rise/eclipse dur. --
Remarks
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1 2020arXiv200508662C Epoch of minimum given.
2 Fidrich, Robert J-K= 1.33.
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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 Henden, A. A., et al., 2012, Data Release 3 of the AAVSO All-Sky
Photometric Survey (APASS)
2012JAVSO..40..430H
4 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 = 6.93H = 5.94K = 5.60J - K = 1.33
AllWISE W1 = 5.53W2 = 5.54W3 = 4.75W4 = 4.04W1 - W2 = -0.02W3 - W4 = 0.71
APASS-DR9 B = 14.50V = 12.62g' = 13.47r' = 11.80i' = 9.91B - V = 1.88
Images
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Supporting Documents
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1 Vend4 light curve Fidrich, Robert 2015-01-13 03:06 UTC Light curve in TG and V based on DSLR photometry of Robert Fidrich, Sandor Hadhazi and CCD observations by Arne Henden and Laszlo Nemeth.
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Revision History
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3 Otero, Sebastian Alberto 2021-10-26 09:31 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
2 Otero, Sebastian Alberto 2015-01-13 09:06 UTC Maximum magnitude from APASS data.
1 Fidrich, Robert 2015-01-13 03:38 UTC Initial submission.