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Name
  NSV 12242  
AAVSO UID
--  
Constellation
Cygnus Sequence
J2000.0
19 37 15.58 +31 05 13.2  (294.31492 +31.08700) Search nearby
B1950.0 19 35 18.56 +30 58 24.4
Galactic coord. 65.547 +4.823
Other names

(Internal only)
2MASS J19371558+3105133 GSC2.3 N2GL041184 IPHAS J193715.74+310515.7
IRAS 19353+3058 URAT1 606-348682 USNO-A2.0 1200-12297967
USNO-B1.0 1210-0369593    
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Variability type
M
Spectral type M8-M10
Mag. range
15.1 - <19.5 V
Discoverer --
Epoch
30 Jun 2018 (HJD 2458300) Ephemeris
Outburst --
Period 377 d
Rise/eclipse dur. --
Remarks
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1 Nowak, Adam J-K= 1.93.
2 GCVS Team M8-M10.
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References
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1 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
2 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve Server v1.0
2017PASP..129j4502K
3 B.Westerlund, ApJ Suppl No.37, 1959. 1959ApJS....4...73W
External Links
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Images
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Supporting Documents
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2 JD plot Nowak, Adam 2019-05-25 02:35 UTC JD plot with ZTF data, measurements from r filter shifted to V magnitude (V-r= 1.43).
1 Phase plot Nowak, Adam 2019-05-25 01:24 UTC Phase plot with ZTF data, measurements from r filter shifted to V magnitude (V-r= 1.43).
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Revision History
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3 Nowak, Adam 2019-05-25 01:24 UTC Gaia DR2 position. Type, period, epoch and maximum magnitude from ASAS-SN and ZTF data. Minimum magnitude derived from IPHAS DR2.
2 Admin, VSX 2010-01-18 23:18 UTC Update from NSV version of July 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.