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Latest Details
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Name
  ATO J290.2490+37.3722  
AAVSO UID
--  
Constellation
Lyra Sequence
J2000.0
19 20 59.77 +37 22 20.0  (290.24906 +37.37223) Search nearby
B1950.0 19 19 13.91 +37 16 36.8
Galactic coord. 69.603 +10.708
Other names

(Internal only)
SDSS J192059.78+372220.0 ZTF J192059.77+372220.0  
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Variability type
R
Spectral type sdB+dM
Mag. range
15.679 (0.119) g
Discoverer A. N. Heinze et al. (ATLAS)
Epoch
17 Sep 2018 (HJD 2458378.726) Ephemeris
Outburst --
Period 0.168955 d  (4.0549 h)
Rise/eclipse dur. --
Remarks
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1 2019A&A...630A..80S Classified as EA/HW with a period of 0.797432 d. in 2019A&A...630A..80S.
2 2020arXiv200508662C Period (half the catalogue value) and type from ZTF light curve. Epoch of minimum given.
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References
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1 Chen, X.; et al., 2020, The Zwicky Transient Facility Catalog of Periodic
Variable Stars
2020arXiv200508662C
2 ZTF Catalog of Periodic Variable Stars (online data) 2020arXiv200508662C
3 Schaffenroth, V.; Barlow, B. N.; Geier, S.; et al., 2019, The EREBOS
project: Investigating the effect of substellar and low-mass stellar
companions on late stellar evolution. Survey, target selection, and
atmospheric parameters
2019A&A...630A..80S
External Links
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Images
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2020-10-24 00:01 UTC Spectral type from 2017A&A...600A..50G. Period from ZTF light curve. Primary name and discoverers from 2018AJ....156..241H. Gaia DR2 position.
1 Admin, VSX 2020-09-26 02:28 UTC Initial upload.