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Name
  VSSP J212145.58+405955.8  
AAVSO UID
000-BPM-838 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 21 45.58 +40 59 55.8  (320.43992 +40.99883) Search nearby
B1950.0 21 19 48.90 +40 47 05.8
Galactic coord. 85.933 -6.344
Other names

(Internal only)
2MASS J21214557+4059557 ATO J320.4399+40.9988 GSC2.3 N31P036810
URAT1 655-451372 USNO-A2.0 1275-15463099 WISE J212145.58+405955.7
ZTF J212145.58+405955.8 ZTF18acauijx  
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Variability type
SRD
Spectral type K
Mag. range
16.44 - 17.07 r
Discoverer Shuming Wang, Wenjie Zhou, Jingyuan Zhao, Guoyou Sun, Mi Zhang, Yanxi Li, Xing Gao (Xingming Obs)
Epoch
19 Jun 2022 (HJD 2459750) Ephemeris
Outburst --
Period 426 d
Rise/eclipse dur. --
Remarks
Some references may be clicked to view in new window. Roll over index number to view submission details.
1 Zhou, Wenjie Elements in the table are for the minima of the Long Secondary Period. Also pulsations with elements HJD 2459522 + 46.8 d. * E.
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References
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1 Creevey, O. L.; et al., 2022, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview		 2022arXiv220605864C
2 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive		 2019PASP..131a8003M
External Links
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Images
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Supporting Documents
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5 Phase plot (p=426) Zhou, Wenjie 2022-12-21 15:25 UTC Phase plot with ZTF data.
4 Zoomed light curve Zhou, Wenjie 2022-12-18 19:24 UTC Zoomed light curve displays from HJD 2458940.992 to HJD 2459550.680.
3 Light curve Zhou, Wenjie 2022-12-18 19:23 UTC Light curve with ZTF data.
2 Phase plot for model residuals Zhou, Wenjie 2022-12-18 19:22 UTC Model period at 426 d * E.
1 Phase plot (p=46.8) Zhou, Wenjie 2022-12-18 19:21 UTC Phase plot with ZTF data.
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Revision History
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1 Zhou, Wenjie 2022-12-21 15:58 UTC Gaia DR3 position. Spectral type from 2022arXiv220605864C.

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