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Name
  PMAK V146  
AAVSO UID
000-BQG-287 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 10 46.14 +56 10 44.0  (302.69225 +56.17889) Search nearby
B1950.0 20 09 36.25 +56 01 44.8
Galactic coord. 90.546 +12.167
Other names

(Internal only)
2MASS J20104613+5610440 LSPM J2010+5610 PM J20107+5610
TIC 233751709 TYC 3940-923-1 UCAC4 731-065980
USNO-B1.0 1461-00328922    
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Variability type
EA
Spectral type K7.5Ve
Mag. range
10.66 V (0.44)TESS
Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
28 Aug 2019 (HJD 2458723.539) Ephemeris
Outburst --
Period 56.3549 d
Rise/eclipse dur. 0.27%  (0.15 d)
Remarks
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1 Pyatnytskyy, Maksym J-K= 0.79, B-V= 0.83 (APASS DR9). Min II was not detected. SuperWASP magnitudes contaminated by Gaia DR3 2186285348925143424 (V= 12.0; sep. 41”), range has been corrected.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
4 Lépine, S.; et al., 2013, A Spectroscopic Catalog of the Brightest (J < 9)
M Dwarfs in the Northern Sky
2013AJ....145..102L
5 Butters, O. W.; et al., 2010, The first WASP public data release 2010A&A...520L..10B
External Links
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Images
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Supporting Documents
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2 Zoomed Phase Plot Pyatnytskyy, Maksym 2025-07-28 11:53 UTC Zoomed phase plot with TESS, ASAS-SN, and SuperWASP data.
1 Phase Plot Pyatnytskyy, Maksym 2025-07-28 11:52 UTC Phase plot with TESS, ASAS-SN, and SuperWASP data.
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Revision History
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1 Pyatnytskyy, Maksym 2025-08-12 02:54 UTC Gaia DR3 position. Maximum magnitude derived from Gaia DR3 data. Spectral type from 2013AJ....145..102L.