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Name
  AISV-ID J312.879+33.536  
AAVSO UID
000-BQC-268 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 51 31.06 +33 32 07.9  (312.87942 +33.53553) Search nearby
B1950.0 20 49 29.80 +33 20 49.2
Galactic coord. 76.304 -6.848
Other names

(Internal only)
2MASS J20513105+3332080 ATO J312.8793+33.5355 GSC2.3 N35N028119
TIC 230892232 URAT1 618-530961 USNO-A2.0 1200-16225534
USNO-B1.0 1235-0496277 WISEA J205131.05+333207.8 XPM 247-0745760
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Variability type
EA+BY
Spectral type K
Mag. range
16.65 - 17.23 r
Discoverer Shuming Wang, Qintao Wang
Epoch
10 Sep 2019 (HJD 2458736.845) Ephemeris
Outburst --
Period 3.739486 d
Rise/eclipse dur. 2.8%  (2.51 h)
Remarks
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1 wang, qintao BY variation: HJD 2458272.96 + 3.8281 d * E, amplitude 0.2 r.
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References
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1 Creevey, O. L.; et al., 2023, Gaia Data Release 3: Astrophysical parameters
inference system (Apsis) I -- methods and content overview		 2023A&A...674A..26C
2 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 20 51 31.06 +33 32 07.9 (J2000)
Source STScI
Survey

Red, all sky, 1.0 arcsec/pixel
  Negative
Supporting Documents
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2 Phase plot(P=3.739486) wang, qintao 2025-01-03 12:34 UTC Phase Plot for AISV-ID J312.879+33.536 using ZTF data.
1 Phase plot(P=3.8281) wang, qintao 2025-01-03 12:34 UTC Phase Plot for AISV-ID J312.879+33.536 using ZTF data.
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Revision History
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1 wang, qintao 2025-01-28 05:38 UTC Spectral type from 2023A&A...674A..26C. Gaia DR3 position.

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