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Details for Revision 2
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Name
  MGAB-V269  
AAVSO UID
000-BNF-079 (No observations)  
Constellation
Cygnus Sequence
J2000.0
20 55 15.98 +46 51 06.5  (313.81658 +46.85181) Search nearby
B1950.0 20 53 33.70 +46 39 35.3
Galactic coord. 87.017 +1.123
Other names

(Internal only)
GSC2.3 N322124680 Gaia DR2 2163801981105229184 IPHAS J205515.99+465106.4
PSO J205515.983+465106.415 USNO-A2.0 1350-13148416 USNO-B1.0 1368-414395
ZTF J205515.98+465106.5    
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Variability type
E
Spectral type He-sdOB
Mag. range
17.68 - 18.12 g
Discoverer Gabriel Murawski
Epoch
21 Aug 2018 (HJD 2458352.1546) Ephemeris
Outburst --
Period 0.03913047 d  (56.34788 min)
Rise/eclipse dur. --
Remarks
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1 Schmeer, Patrick Gaia DR2 parallax 0.4322 ± 0.0982 mas (distance 2.2 ± 0.6 kpc).
2 Murawski, Gabriel Min II = 17.90 g. BP-G= 0.09
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References
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1 Keller, P. M.; Breedt, E.; Hodgkin, S.; et al., 2022, Eclipsing white dwarf
binaries in Gaia and the Zwicky Transient Facility
2022MNRAS.509.4171K
2 L. R. Sandoval; G. Murawski; C. Copperwheat; et al., 2020, ATel #13444 2020ATel13444....1S
3 Kupfer, T.; et al., 2020, A new class of Roche lobe-filling hot subdwarf
binaries
2020arXiv200705349K
4 Burdge, K. B.; Prince, T. A.; Fuller, J.; et al., 2020, A Systematic Search
of Zwicky Transient Facility Data for Ultracompact Binary LISA-detectable
Gravitational-wave Sources
2020ApJ...905...32B
5 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
6 Chambers, K. C.; et al., 2016,The Pan-STARRS1 Surveys 2016arXiv161205560C
External Links
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Supporting Documents
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1 Phase plot Murawski, Gabriel 2019-07-19 22:59 UTC Phase curve with ZTF and Pan-STARRS1 data.
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
5 Otero, Sebastian Alberto 2022-06-20 20:57 UTC Type from 2022MNRAS.509.4171K.
4 Otero, Sebastian Alberto 2021-11-15 21:31 UTC Type from 2020ApJ...905...32B.
3 Murawski, Gabriel 2020-07-13 20:05 UTC Type and spectral type from 2020arXiv200705349K.
2 Schmeer, Patrick 2020-02-04 23:41 UTC Type and spectral type from 2020ATel13444....1S.
1 Murawski, Gabriel 2019-07-19 23:14 UTC Gaia DR2 position.