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Name
  NSV 25368  
AAVSO UID
000-BMS-534 (625 observations)  
Constellation
Cygnus Sequence
J2000.0
20 51 01.57 +44 15 42.0  (312.75654 +44.26168) Search nearby
B1950.0 20 49 15.65 +44 04 24.3
Proper motion
RA: 4.2 +/- 8.6 mas/yDec: 3.8 +/- 8.4 mas/ySource: UCAC4
Galactic coord. 84.553 +0.032
Other names

(Internal only)
1SWXRT J205101.8+441541 1SXPS J205101.6+441540 2MASS J20510157+4415420
ASASSN-V J205101.60+441542.0 HBC 704 LkHA 146
UCAC4 672-086832 ZTF J205101.56+441542.0  
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Variability type
CTTS/ROT
Spectral type K4e
Mag. range
15.7 - 16.7 V
Discoverer --
Epoch
13 Jun 2019 (HJD 2458647.8212) Ephemeris
Outburst --
Period 7.3597621 d
Rise/eclipse dur. --
Remarks
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1 GCVS Team In the Cyg T1 region.
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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 Ibryamov, S.; Semkov, E.; Milanov, T.; et al., 2018, Long-term BV RI
photometric light curves of 15 PMS stars in the star-forming region IC 5070
2018RAA....18..137I
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
5 Henden, A. A.; et al., 2016, AAVSO Photometric All Sky Survey (APASS) DR9 2016yCat.2336....0H
6 F.Gieseking, Bonn Veroeff Nr.87, 1973. --
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 = 12.41H = 11.45K = 10.95J - K = 1.47
AllWISE W1 = 9.76W2 = 9.31W3 = 8.27W4 = 6.70W1 - W2 = 0.45W3 - W4 = 1.57
Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2021-10-26 09:34 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
3 Otero, Sebastian Alberto 2019-05-21 01:48 UTC Type, period and minimum magnitude from 2018RAA....18..137I.
2 Otero, Sebastian Alberto 2018-07-30 23:10 UTC Maximum magnitude from APASS data. Type and minimum magnitude from ASAS-SN data. Gaia DR2 position.
1 Admin, VSX 2005-12-18 01:33 UTC Preserved original object data.