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Name
  BMAM-V691  
AAVSO UID
000-BNN-936 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 44 04.81 +54 01 20.5  (326.02004 +54.02236) Search nearby
B1950.0 21 42 22.59 +53 47 31.5
Galactic coord. 97.556 +0.651
Other names

(Internal only)
2MASS J21440480+5401204 GSC2.3 N2TK074923 Gaia DR2 2173536511612607104
IPHAS J214404.81+540120.4 USNO-B1.0 1440-0371234 WISE J214404.80+540120.4
ZTF J214404.77+540120.4    
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Variability type
M
Spectral type --
Mag. range
17.6 - 21.7 r
Discoverer Mariusz Bajer
Epoch
09 Oct 2018 (HJD 2458401) Ephemeris
Outburst --
Period 312: d
Rise/eclipse dur. --
Remarks
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1 Bajer, Mariusz BP-G= 3.81; J-K= 2.47.
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References
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1 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
2 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
3 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
4 Chambers, K. C.; et al., 2016,The Pan-STARRS1 Surveys 2016arXiv161205560C
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Images
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Supporting Documents
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2 BMAM-V691 phase plot Bajer, Mariusz 2020-06-26 18:35 UTC Phase plot data from ZTF and Pan-STARRS1 shifted to r standard.
1 BMAM-V691 light curve Bajer, Mariusz 2020-06-26 18:35 UTC HJD light curve data from ZTF and Pan-STARRS1 shifted to r standard.
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Revision History
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2 Otero, Sebastian Alberto 2021-10-26 10:20 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
1 Bajer, Mariusz 2020-06-26 23:03 UTC Minimum magnitude from IPHAS DR2. Gaia DR2 position.