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Name
  TIC 255802766  
AAVSO UID
000-BQB-547 (339 observations)  
Constellation
Cassiopeia Sequence
J2000.0
00 57 46.05 +60 06 36.4  (14.44187 +60.11011) Search nearby
B1950.0 00 54 44.23 +59 50 24.2
Galactic coord. 123.721 -2.752
Other names

(Internal only)
2MASS J00574605+6006364 BD+59 155 BSD 8-398
GSC 04017-02008 Gaia DR3 426505134568148736 TYC 4017-2008-1
UCAC4 751-010159 [O66] 9: 171  
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Variability type
EA+DSCT
Spectral type A0III:k
Mag. range
10.52 V (0.13)TESS
Discoverer L. W. IJspeert et al. (TESS)
Epoch
15 Nov 2022 (HJD 2459898.799) Ephemeris
Outburst --
Period 2.39778 d
Rise/eclipse dur. 11%  (6.3 h)
Remarks
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1 Otero, Sebastian Alberto Min I amplitude 0.12 TESS, Min II amplitude 0.11 TESS. Also DSCT variations with elements HJD 2459887.572 + 0.19235 d. x E and amplitude up to 0.016 TESS.
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References
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1 IJspeert, L. W.; et al., 2024, Statistical view of orbital circularisation
with 14 000 characterised TESS eclipsing binaries		 2024A&A...691A.242I
2 Huang, C. X.; et al., 2020, Photometry of 10 Million Stars from the First
Two Years of TESS Full Frame Images: Part I		 2020RNAAS...4..204H
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Images
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Supporting Documents
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2 Phase plot - EA Otero, Sebastian Alberto 2024-12-11 21:56 UTC Phase plot with TESS QLP data showing the EA-type variability.
1 Phase plot - DSCT Otero, Sebastian Alberto 2024-12-11 21:56 UTC Phase plot with TESS QLP data showing the DSCT pulsations.
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Revision History
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1 Otero, Sebastian Alberto 2024-12-11 21:57 UTC Type, period, epoch and amplitude from TESS-QLP data. Mean magnitude derived from Gaia DR3 data.

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