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Name
  BU Ser  
AAVSO UID
000-BFL-948 (No observations)  
Constellation
Serpens Sequence
J2000.0
18 40 04.20 +05 41 13.0  (280.01750 +5.68694) Search nearby
B1950.0 18 37 37.01 +05 38 23.9
Galactic coord. 36.714 +5.112
Other names

(Internal only)
AN 277.1936    
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Variability type
EA/SD
Spectral type A0V
Mag. range
13.9 - 15.5 p
Discoverer --
Epoch
21 May 1930 (HJD 2426117.525) Ephemeris
Outburst --
Period 1.843394 d
Rise/eclipse dur. 18%  (7.96 h)
Remarks
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1 GCVS Team In the region of the open cluster IC 4756.
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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 Bob Nelson's O-C files, 2016 --
4 MVS N263, 1957. --
5 P.Ahnert, KVBB N28, 1943. 1941KVeBB...7....4A
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Supporting Documents
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Stellar Association Membership
 IC 4756 Open Cluster 2012A&A...548A..97Z
Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
3 Otero, Sebastian Alberto 2021-10-26 09:00 UTC ZTF name from 2020arXiv200508662C added. Gaia EDR3 position.
2 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.

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