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Name
  NSVS 8481947  
AAVSO UID
000-BMD-455 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 08 08.15 +31 43 01.1  (302.03396 +31.71698) Search nearby
B1950.0 20 06 09.72 +31 34 07.4
Proper motion
RA: -75.0 +/- 6.0 mas/yDec: 115.3 +/- 5.2 mas/ySource: UCAC4
Galactic coord. 69.467 -0.512
Other names

(Internal only)
2MASS J20080817+3143010 IRAS 20061+3134 MSX6C G069.4667-00.5118
NSVS 8465649 UCAC4 609-100841 URAT1 609-462277
WISE J200808.08+314301.4 ZTF J200808.16+314300.9  
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Variability type
M
Spectral type --
Mag. range
15.577 (3.956) r
Discoverer Ivan Sergey, Sebastian Otero
Epoch
16 Feb 2019 (HJD 2458530.8145) Ephemeris
Outburst --
Period 422.9573218 d
Rise/eclipse dur. --
Remarks
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1 2020arXiv200508662C Epoch of minimum given. g-band period= 211.4786609 d. r-band period= 211.6075580 d.
2 Sergey, Ivan J-K= 2.51. V ~16.0 - 20.5. NSVS magnitudes contaminated by GSC 02671-00331 (V= 12.9, it might be a small amplitude variable; J-K= 1.22; sep. 7"), UCAC4 609-100837 (V= 15.1; sep. 43") and UCAC4 609-100825 (V= 14.9; sep. 52"). 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 Wozniak, P. R.; et al., 2004, Northern Sky Variability Survey: Public Data
Release		 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 = 7.04H = 5.48K = 4.53J - K = 2.50
AllWISE W1 = 3.33W3 = 0.49W4 = -0.34W3 - W4 = 0.83
SDSS-DR12 u = 20.49g = 25.11r = 18.43i = 14.48z = 11.22u - g = -4.62r - i = 3.94
Images
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Supporting Documents
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1 Photometric curve Sergey, Ivan 2016-12-23 22:52 UTC
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Revision History
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2 Otero, Sebastian Alberto 2021-10-26 00:19 UTC Update from 2020arXiv200508662C. Gaia EDR3 position.
1 Sergey, Ivan 2016-12-24 03:52 UTC Initial submission.

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