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Name
  V0438 Sge  
AAVSO UID
000-BFT-484 (14764 observations)  
Constellation
Sagitta Sequence
J2000.0
20 08 23.00 +17 44 49.7  (302.09583 +17.74714) Search nearby
B1950.0 20 06 07.37 +17 36 01.4
Galactic coord. 57.672 -8.064
Other names

(Internal only)
Please note that aliases shown in grey link to obsolete records.
ASASSN-V J200823.02+174449.9 NSV 12828 SON 9977
USNO-A2.0 1050-16559067 ZTF J200822.99+174449.6  
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Variability type
SRB
Spectral type --
Mag. range
14.988 (1.25) g
Discoverer --
Epoch
14 Jun 2018 (HJD 2458284.269) Ephemeris
Outburst --
Period 154.5258157 d
Rise/eclipse dur. --
Remarks
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1 2020arXiv200508662C Epoch of minimum given. r-band period= 0.9907362 d.
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References
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1 E.V. Kazarovets, N.N. Samus, O.V. Durlevich et al., 2020, The 82nd
Name-List of Variable Stars. Part III - RA 20h to 24h and Novae
2020PZ.....40....6K
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
4 Jayasinghe, T.; Kochanek, C. S.; Stanek, K. Z.; et al., 2018, The ASAS-SN
Catalog of Variable Stars I: The Serendipitous Survey
2018arXiv180301001J
5 Samus, N. N.; Kazarovets, E. V.; Durlevich, O. V.; et al., 2017, General
Catalogue of Variable Stars: Version GCVS 5.1 (20 October 2020)
2017ARep...61...80S
6 C.Hoffmeister, AN 290, H. 1-2, 43, 1967. 1967AN....290...43H
External Links
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Images
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Supporting Documents
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Revision History
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4 Otero, Sebastian Alberto 2021-10-26 10:22 UTC Update from 2020arXiv200508662C. Amplitude from ZTF light curve. Gaia EDR3 position.
3 Admin, VSX 2020-10-22 02:11 UTC Update from GCVS5.1 version 2020-10-20.
2 Admin, VSX 2020-10-22 01:27 UTC Update from [2020PZ.....40....6K].
1 Admin, VSX 2005-12-18 01:33 UTC Initial upload.