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Name
  MGAB-V287  
AAVSO UID
--  
Constellation
Lyra Sequence
J2000.0
19 20 14.12 +27 22 18.3  (290.05883 +27.37175) Search nearby
B1950.0 19 18 12.88 +27 16 38.7
Galactic coord. 60.498 +6.350
Other names

(Internal only)
BMAM-V412 CMC15 J192014.1+272218 NADA-V95
URAT1 587-324872 WD J192014.12+272218.29  
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Variability type
EA/WD
Spectral type --
Mag. range
15.68 - 18.34 r
Discoverer Gabriel Murawski, Adam Nowak, Mariusz Bajer
Epoch
01 Sep 2019 (HJD 2458728.4236) Ephemeris
Outburst --
Period 0.14936772 d  (3.584825 h)
Rise/eclipse dur. 10.1%  (0.3621 h)
Remarks
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1 2022MNRAS.509.4171K Eclipse depth 4.4 g.
2 Murawski, Gabriel Apparent reflection effect with amplitude of 0.16 mag in g-band, 0.32 mag in r-band. BP-RP = 0.31. Phase plot shift: g-r = -0.30, g-i = -0.06.
3 Murawski, Gabriel Significant reflection effect. g-band range: 15.86-20.6:; i-band range: 15.70-17.1; z-band range: 15.84-16.6; y-band range: 15.85-16.4. BP-G= 0.06.
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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 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
3 Chambers, K. C.; et al., 2016,The Pan-STARRS1 Surveys 2016arXiv161205560C
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Supporting Documents
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1 Phase plot Murawski, Gabriel 2019-09-04 01:39 UTC Combined phase curve with ZTF and PS1 data and by observers with MGAB, NADA and BMAM code.
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Revision History
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3 Otero, Sebastian Alberto 2022-06-20 20:57 UTC Spectral type from 2022MNRAS.509.4171K.
2 Murawski, Gabriel 2022-03-14 20:52 UTC Period and epoch from ZTF DR8 data. Gaia EDR3 position.
1 Murawski, Gabriel 2019-09-04 11:47 UTC Gaia DR2 position.