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Latest Details
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Name
  PMAK V5  
AAVSO UID
000-BMY-071 (590 observations)  
Constellation
Cygnus Sequence
J2000.0
21 30 17.89 +35 10 25.4  (322.57454 +35.17372) Search nearby
B1950.0 21 28 12.83 +34 57 12.2
Galactic coord. 82.988 -11.664
Other names

(Internal only)
2MASS J21301788+3510253 ASASSN-V J213017.88+351026.4 GSC 02712-01327
Gaia DR3 1951343009975999744 TYC 2712-1327-1 UCAC4 626-116572
USNO-A2.0 1200-18064907 USNO-B1.0 1251-0473525 WISE J213017.88+351025.2
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Variability type
EA
Spectral type --
Mag. range
13.17 - 13.5 V
Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
31 Dec 2017 (HJD 2458119.23) Ephemeris
Outburst --
Period 4.7391 d
Rise/eclipse dur. 8%  (9 h)
Remarks
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1 Pyatnytskyy, Maksym Min II= 13.45 V. B-V= 0.61 (APASS), J-K= 0.35 (2MASS). ASAS-SN, APASS and PMAK magnitudes contaminated by 2MASS J21301793+3510301 (variable of EW type, mean V= 14.5; sep. 5”), 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 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
3 Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10 2018AAS...23222306H
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
External Links
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Images
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Supporting Documents
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4 Zoomed Phase Plot Min II Pyatnytskyy, Maksym 2023-02-28 15:45 UTC Zoomed phase plot with PMAK, ASAS-SN, APASS, ZTF, and Gaia DR3 data: Min II.
3 Zoomed Phase Plot Min I Pyatnytskyy, Maksym 2023-02-28 15:44 UTC Zoomed phase plot with PMAK, ASAS-SN, APASS, ZTF, and Gaia DR3 data: Min I.
2 Phase Plot Pyatnytskyy, Maksym 2023-02-28 15:43 UTC Phase plot with PMAK, ASAS-SN, APASS, ZTF, and Gaia DR3 data.
1 Phase Plot Pyatnytskyy, Maksym 2019-01-04 16:28 UTC Phase plot with ASAS-SN, APASS, and PMAK data.
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Revision History
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2 Pyatnytskyy, Maksym 2023-02-17 16:50 UTC Period, eclipse duration and range from ASAS-SN, ZTF and Gaia DR3 data. Gaia DR3 position.
1 Pyatnytskyy, Maksym 2019-01-05 00:16 UTC Initial submission.