VSX : Detail for PMAK V20

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Name

PMAK V20

AAVSO UID

000-BNC-061 (41 observations)

Constellation

Cygnus

Sequence

J2000.0

21 44 41.79 +43 56 21.4 (326.17413 +43.93928)

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B1950.0

21 42 43.99 +43 42 31.2

Galactic coord.

91.065 -7.078

Other names

(Internal only)

2MASS J21444177+4356214	GSC 03196-01702	UCAC4 670-103484
USNO-A2.0 1275-16402115	USNO-B1.0 1339-0439507

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Variability type

SRS

Spectral type

Mag. range

12.76 - 13.12 V

Discoverer

Maksym Pyatnytskyy (PMAK (AAVSO))

Epoch

17 Dec 2016 (HJD 2457740.0)

Ephemeris

Outburst

Period

24.0 d

Rise/eclipse dur.

Remarks

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Pyatnytskyy, Maksym

ASAS-SN magnitudes contaminated by 2MASS J21444072+4356180 (V= 16.3; sep. 12”) and 2MASS J21444208+4356054 (V= 16.1; sep. 16”). Range has been corrected. Other period 438 d.

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References

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Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0

2017PASP..129j4502K

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Location

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Images

Please review Digitized Sky Survey Acknowledgment and Copyright.

Size	5' x 5' (297 x 298 pixels)
Center	21 44 41.79 +43 56 21.4 (J2000)
Source	STScI
Survey	Red, all sky, 1.0 arcsec/pixel
	Negative

Supporting Documents

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2	Light Curve	Pyatnytskyy, Maksym	2019-04-17 22:15 UTC	Light curve with ASAS-SN, PMAK data.
1	Phase Plot P= 24d	Pyatnytskyy, Maksym	2019-04-17 22:15 UTC	Phase plot with ASAS-SN, PMAK data.