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Latest Details
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Name
  PMAK V17  
AAVSO UID
000-BMZ-990 (25 observations)  
Constellation
Cygnus Sequence
J2000.0
21 40 09.04 +44 10 03.8  (325.03767 +44.16772) Search nearby
B1950.0 21 38 12.58 +43 56 24.9
Galactic coord. 90.597 -6.369
Other names

(Internal only)
2MASS J21400903+4410037 GSC 03196-01909 UCAC4 671-101721
USNO-A2.0 1275-16241343 USNO-B1.0 1341-0457080  
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Variability type
SRS
Spectral type --
Mag. range
12.84 - 13.17 V
Discoverer Discoverer Maksym Pyatnytskyy (PMAK (AAVSO))
Epoch
26 Dec 2016 (HJD 2457749.0) Ephemeris
Outburst --
Period 27.6 d
Rise/eclipse dur. --
Remarks
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1 Pyatnytskyy, Maksym B-V= 2.02 (APASS), J-K= 1.35 (2MASS). Magnitudes contaminated by USNO-B1.0 1341-0457067 (V= 17.3; sep. 10”), 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 40 09.04 +44 10 03.8 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase Plot Pyatnytskyy, Maksym 2019-03-10 14:15 UTC Phase plot with ASAS-SN (mag_err <0.05), APASS, and PMAK data.
1 Light Curve Pyatnytskyy, Maksym 2019-03-10 14:14 UTC Light curve with ASAS-SN (mag_err <0.05), APASS, and PMAK data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
1 Pyatnytskyy, Maksym 2019-03-12 06:44 UTC Initial submission.

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