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Name
  PMAK V142  
AAVSO UID
000-BQF-215 (No observations)  
Constellation
Lyra Sequence
J2000.0
18 36 24.91 +29 57 35.4  (279.10379 +29.95983) Search nearby
B1950.0 18 34 29.21 +29 55 01.0
Galactic coord. 58.767 +16.154
Other names

(Internal only)
2MASS J18362491+2957353 AG+29 1864 BD+29 3297
GSC 02119-00532 PPM 107524 SAO 86238
TIC 27896467 TYC 2119-532-1  
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Variability type
EA
Spectral type F8
Mag. range
9.83 - 9.99 V
Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
02 Jul 2022 (HJD 2459763.414) Ephemeris
Outburst --
Period 12.34415 d
Rise/eclipse dur. 2.9%  (0.358 d)
Remarks
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1 Pyatnytskyy, Maksym J-K= 0.32, B-V= 0.64 (APASS DR9). Spectroscopic binary P= 12.3435 d (2022yCat.1357....0G). Eccentric system. Min II at phase= 0.57, depth 0.02 TESS, duration 2.3%.
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References
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1 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 3
Non-single stars
2022yCat.1357....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 Butters, O. W.; et al., 2010, The first WASP public data release 2010A&A...520L..10B
5 Heckmann, O., 1975, AGK 3. Star catalogue of positions and proper motions
north of -2.5 deg. declination
1975ascp.book.....H
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Images
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Supporting Documents
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3 Zoomed Phase Plot: Min II Pyatnytskyy, Maksym 2025-05-28 10:34 UTC Zoomed phase plot with TESS, ASAS-SN, and SuperWASP data: Min II.
2 Zoomed Phase Plot: Min I Pyatnytskyy, Maksym 2025-05-28 10:33 UTC Zoomed phase plot with TESS, ASAS-SN, and SuperWASP data: Min I.
1 Phase Plot Pyatnytskyy, Maksym 2025-05-28 10:32 UTC Phase plot with TESS, ASAS-SN, and SuperWASP data.
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Revision History
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1 Pyatnytskyy, Maksym 2025-05-28 16:43 UTC Gaia DR3 position. Maximum magnitude derived from Gaia DR3 data. Spectral type from 1975ascp.book.....H.