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Latest Details
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Name
  STSP J212119.09+542127.0  
AAVSO UID
000-BQC-228 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 21 19.09 +54 21 27.0  (320.32954 +54.35750) Search nearby
B1950.0 21 19 44.86 +54 08 37.7
Galactic coord. 95.338 +3.157
Other names

(Internal only)
2MASS J21211909+5421271 GSC2.3 N2TE100914 URAT1 722-368349
USNO-A2.0 1425-11780121 USNO-B1.0 1443-0360670  
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Variability type
EA
Spectral type --
Mag. range
15.00 - 15.20 r
Discoverer Minrui Ning, Jiashuo Zhang
Epoch
04 Jun 2021 (HJD 2459369.916) Ephemeris
Outburst --
Period 7.26031 d
Rise/eclipse dur. 3%  (5.2 h)
Remarks
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1 Zhang, Jiashuo Eccentric system. Min II = 15.14 r at phase 0.647.
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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
External Links
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Location    Go   
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Images
Please review Digitized Sky Survey Acknowledgment and Copyright.
Size 5' x 5' (297 x 298 pixels)
Center 21 21 19.09 +54 21 27.0 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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1 Phase Plot Zhang, Jiashuo 2025-01-12 02:13 UTC Phase Plot with ZTF data.
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Revision History
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1 Zhang, Jiashuo 2025-01-25 02:12 UTC Gaia DR3 position.

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