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Name
  PMAK V138  
AAVSO UID
000-BQF-105 (No observations)  
Constellation
Lynx Sequence
J2000.0
08 06 21.53 +34 46 18.8  (121.58971 +34.77189) Search nearby
B1950.0 08 03 08.01 +34 54 57.8
Galactic coord. 186.465 +29.657
Other names

(Internal only)
2MASS J08062152+3446189 BD+35 1751 GSC 02477-01439
HIP 39667 SAO 60559 TIC 43108090
TYC 2477-1439-1 USNO-A2.0 1200-05940421 USNO-B1.0 1247-0157573
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Variability type
EA
Spectral type F5
Mag. range
10.00 - 10.34 V
Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
29 Dec 2022 (HJD 2459942.59) Ephemeris
Outburst --
Period 22.45281 d
Rise/eclipse dur. 1.1%  (0.247 d)
Remarks
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1 Pyatnytskyy, Maksym J-K= 0.37. Eccentric system. Min II 10.03 V, phase 0.62, duration 1.8%. Flare-like (although symmetric) brightening with a 0.003 TESS amplitude at HJD 2458845.8 in TESS data.
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References
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1 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I
2020RNAAS...4..204H
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 release 2010A&A...520L..10B
4 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
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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4 Part of the TESS Light Curve with a Flare Pyatnytskyy, Maksym 2025-05-03 15:53 UTC Part of the TESS Light Curve with a Flare.
3 Zoomed Phase Plot Min II Pyatnytskyy, Maksym 2025-05-03 15:49 UTC Zoomed phase plot Min II with TESS QLP, ASAS-SN, HIPPARCOS, and SuperWASP data.
2 Zoomed Phase Plot Min I Pyatnytskyy, Maksym 2025-05-03 15:49 UTC Zoomed phase plot Min I with TESS QLP, ASAS-SN, HIPPARCOS, and SuperWASP data.
1 Phase Plot Pyatnytskyy, Maksym 2025-05-03 15:43 UTC Phase plot with TESS QLP, ASAS-SN, HIPPARCOS, and SuperWASP data.
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Revision History
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1 Pyatnytskyy, Maksym 2025-05-22 15:15 UTC Gaia DR3 position. Spectral type from 1975ascp.book.....H.