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Name
  SvkV190  
AAVSO UID
000-BMY-441 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 11 23.35 +30 57 17.6  (302.84728 +30.95489) Search nearby
B1950.0 20 09 23.29 +30 48 17.7
Galactic coord. 69.206 -1.510
Other names

(Internal only)
ASASSN-V J201123.34+305717.2 GSC 02671-00834 HD 333771
UCAC4 605-103974    
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Variability type
EW
Spectral type F0
Mag. range
11.29 - 11.45 V
Discoverer Marian Urbanik
Epoch
14 Jun 2006 (HJD 2453901.4256) Ephemeris
Outburst --
Period 0.656308 d  (15.7514 h)
Rise/eclipse dur. --
Remarks
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References
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1 Qian, S.-B.; Zhu, L.-Y.; Liu, L.; et al., 2020, Contact binaries at
different evolutionary stages
2020RAA....20..163Q
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 Butters, O. W.; et al., 2010, The first WASP public data releas 2010A&A...520L..10B
4 SvkV catalogue of new variable stars --
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Images
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Supporting Documents
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1 SvkV190 Urbaník, Marian 2019-01-15 19:33 UTC The chart contains data from 17.08.2017, 06.09.2018 obtained through NEWTON 150/750 + CCD G2-8300. Data from ASAS-SN is used from 2457081.16454 to 2458434.72984 HJD. Values with a higher error than 0.011 in V-band and values obtained in g-band for were not used.Data from SWASP is used from 2453901.688646 to 2453905.715081 HJD. Values with a higher error than 0.059 for were not used. I shifted my and SWASP observations to the ASAS-SN V zero point and select the V passband.
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Revision History
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3 Otero, Sebastian Alberto 2023-04-23 16:21 UTC Spectral type from 2020RAA....20..163Q.
2 Otero, Sebastian Alberto 2021-11-15 21:33 UTC Update from the SvkV catalogue.
1 Urbaník, Marian 2019-01-16 00:56 UTC Initial submission.