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Latest Details
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Name
  PMAK V22  
AAVSO UID
000-BNC-320 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 31 51.59 +35 49 23.8  (322.96496 +35.82328) Search nearby
B1950.0 21 29 46.97 +35 36 06.5
Galactic coord. 83.683 -11.419
Other names

(Internal only)
2MASS J21315159+3549238 ASASSN-V J213151.51+354924.3 GSC 02716-02466
UCAC4 630-119823 USNO-A2.0 1200-18113105 USNO-B1.0 1258-0491720
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Variability type
EA
Spectral type --
Mag. range
13.12 - 13.27 V
Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
13 Jul 2015 (HJD 2457216.500) Ephemeris
Outburst --
Period 14.492 d
Rise/eclipse dur. 9%  (1.3 d)
Remarks
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1 Pyatnytskyy, Maksym Magnitudes contaminated by 2MASS J21315083+3549290 (V= 15.4; sep. 10”) and 2MASS J21315209+3549251 (V= 17.9; sep. 6”). Range has been corrected.
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References
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1 Henden, A. A.; et al., 2018, AAVSO Photometric All Sky Survey (APASS) DR10 2018AAS...23222306H
2 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
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 31 51.59 +35 49 23.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase Plot Pyatnytskyy, Maksym 2019-05-03 21:07 UTC Phase plot with ASAS-SN (V, g), APASS (V), and PMAK (V) data. V magnitudes have been deblended, g magnitudes are plotted "as they are"
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Revision History
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1 Pyatnytskyy, Maksym 2019-05-03 21:12 UTC Initial submission.