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Name
  VSSP J234459.40+500549.4  
AAVSO UID
000-BPM-678 (No observations)  
Constellation
Cassiopeia Sequence
J2000.0
23 44 59.40 +50 05 49.4  (356.24750 +50.09706) Search nearby
B1950.0 23 42 31.31 +49 49 09.7
Galactic coord. 112.150 -11.378
Other names

(Internal only)
2MASS J23445939+5005495 ATO J356.2476+50.0969 GSC 03646-02021
TIC 26993740 UCAC4 701-124639 URAT1 701-552464
USNO-A2.0 1350-18641711    
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Variability type
EA+EA
Spectral type --
Mag. range
12.74 V (0.3)TESS
Discoverer Jingyuan Zhao, Wenjie Zhou, Guoyou Sun, Mi Zhang, Yanxi Li, Shuming Wang, Xing Gao (Xingming Obs.); P. Andrej et al. (TESS)
Epoch
17 Oct 2019 (HJD 2458774.015) Ephemeris
Outburst --
Period 1.88416 d
Rise/eclipse dur. 10%  (4.5 h)
Remarks
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1 Zhou, Wenjie Double eclipsing binary. Ephemeris for system A given. Min I amplitude 0.20 TESS, Min II amplitude 0.03 TESS. Ephemeris for system B: HJD 2458784.994 + 9.224 d * E. Eccentric system, Min I amplitude 0.08 TESS, Min II amplitude 0.04 TESS at phase 0.48, duration 2%. Range and amplitudes are for the blend of the two systems.
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References
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1 Andrej, P.; et al., 2022, TESS Eclipsing Binary Stars. I. Short-cadence
Observations of 4584 Eclipsing Binaries in Sectors 1-26
2022ApJS..258...16P
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
3 Masci, F. J.; et al., 2019, The Zwicky Transient Facility: Data Processing,
Products, and Archive
2019PASP..131a8003M
4 Kochanek, C. S.; et al., 2017, The All-Sky Automated Survey for Supernovae
(ASAS-SN) Light Curve
2017PASP..129j4502K
External Links
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Images
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Supporting Documents
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4 Zoomed phase plot(p=9.224) Zhou, Wenjie 2022-11-27 12:00 UTC Zoomed phase plot for Min I of system B, using ASAS-SN, ZTF and TESS data.
3 Zoomed light curve Zhou, Wenjie 2022-11-27 11:57 UTC Zoomed light curve using TESS date displays from HJD 2458764.702 to HJD 2458789.681.
2 Phase plot(p=1.88416) Zhou, Wenjie 2022-11-27 11:55 UTC Phase plot for system A using ASAS-SN, ZTF and TESS data.
1 Phase plot(p=9.224) Zhou, Wenjie 2022-11-27 11:55 UTC Phase plot for system B using ASAS-SN, ZTF and TESS data.
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Revision History
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1 Zhou, Wenjie 2022-12-07 04:08 UTC Gaia DR3 position.