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Name
  KIC 5217733  
AAVSO UID
000-BQD-966 (No observations)  
Constellation
Cygnus Sequence
J2000.0
19 55 44.76 +40 23 30.3  (298.93650 +40.39175) Search nearby
B1950.0 19 54 00.77 +40 15 28.7
Galactic coord. 75.529 +6.187
Other names

(Internal only)
2MASS J19554475+4023303 ASCC 429447 BD+40 3948
GSC 03141-03158 HD 188891 HIP 98061
KOI-3155 SAO 48983 TIC 171502734
TYC 3141-3158-1 WDS J19557+4024A  
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Variability type
EA+SPB
Spectral type B2II
Mag. range
7.34 V (0.13)TESS
Discoverer B. Kirk et al. (Kepler)
Epoch
09 Jul 2009 (HJD 2455022.09) Ephemeris
Outburst --
Period 161.2546 d
Rise/eclipse dur. 0.65%  (1.05 d)
Remarks
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1 Nasonov, Dmitry Eccentric system. Min II at phase 0.1694, amplitude 0.05 TESS, duration 1.28%. Min I amplitude 0.11 TESS. SPB variations with elements HJD 2455022.12 + 0.4129 x E, amplitude 0.02 TESS.
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References
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1 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
2 Sekaran, S.; et al., 2020, Tango of celestial dancers: A sample of detached
eclipsing binary systems containing g-mode pulsating components. A case
study of KIC9850387
2020A&A...643A.162S
3 Kirk, B.; et al., 2016, Kepler Eclipsing Binary Stars. VII. The Catalog of
Eclipsing Binaries Found in the Entire Kepler Data Set
2016AJ....151...68K
4 Kepler Eclipsing Binary Catalog, 2012 (online data) --
5 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
6 Hill, P. W.; Lynas-Gray, A. E., 1977, UBV photometry and MK spectral
classification of northern early-type stars at intermediate galactic
latitudes
1977MNRAS.180..691H
7 Kepler data (MAST) --
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Images
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Supporting Documents
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3 zoomed phase plot Nasonov, Dmitry 2025-05-13 10:52 UTC Light curve from Hipparcos, Kepler and TESS QLP photometry data folded with the best orbital period, zoomed on minima
2 phase plot Nasonov, Dmitry 2025-05-13 10:45 UTC Light curve from Hipparcos, Kepler and TESS QLP photometry data folded with the best orbital period
1 phase plot with pulsating variations Nasonov, Dmitry 2025-05-13 10:32 UTC Light curve from Kepler photometry data folded with the best pulsation period
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Revision History
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1 Nasonov, Dmitry 2025-05-13 17:44 UTC Initial submission. Minimum amplitude from TESS data. Period from Kepler and TESS QLP data. SPB type and pulsation period from 2020A&A...643A.162S. Spectral type from 1977MNRAS.180..691H.