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Name
  TIC 372243692  
AAVSO UID
000-BPR-976 (No observations)  
Constellation
Cygnus Sequence
J2000.0
21 39 24.96 +40 38 13.6  (324.85400 +40.63711) Search nearby
B1950.0 21 37 24.32 +40 24 36.6
Galactic coord. 88.121 -8.911
Other names

(Internal only)
2MASS J21392496+4038136 AG+40 2239 BD+39 4627
GSC 31387-01330 HD 206197 HIP 106933
PPM 61826 SAO 51151 UCAC4 654-104007
USNO-A2.0 1275-16215114 USNO-B1.0 1306-0449840  
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Variability type
SPB
Spectral type A0
Mag. range
8.06 V (0.02)TESS
Discoverer R. J. Oelkers et al. (KELT), F. Romeo (GrAG), C. Marino (GrAG), M. Grassi (GrAG), G. Mazzacurati (GrAG)
Epoch
16 Sep 2022 (HJD 2459839.278) Ephemeris
Outburst --
Period 0.397118 d  (9.5308 h)
Rise/eclipse dur. --
Remarks
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1 Mazzacurati, Giorgio Data in the table are for the shorter period. A longer period is identified at 0.8541 days.
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References
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1 Green, M. J.; Maoz, D.; Mazeh, T.; et al., 2023, 15 000 ellipsoidal binary
candidates in TESS: Orbital periods, binary fraction, and tertiary
companions
2023MNRAS.522...29G
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 Oelkers, R. J.; et al., 2018, Variability Properties of Four Million
Sources in the TESS Input Catalog Observed with the Kilodegree Extremely
Little Telescope Survey
2018AJ....155...39O
4 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
5 Dieckvoss, W.; Heckmann, O., 1975, AGK3 Catalogue 1975AGK3..C......0H
External Links
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Images
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Supporting Documents
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3 Combined Phase Plot shorter period Mazzacurati, Giorgio 2023-10-24 21:26 UTC Combined phase plot of three TESS and TESS QLP dataset: QLP 15 (TESS QLP Aug-Sep '19); QLP 16 (TESS QLP Sep-Oct '19); TESS 56 (TESS PDC SAP Sep '22)
2 Phase Plot Mazzacurati, Giorgio 2023-10-24 21:14 UTC Combined phase plot of three TESS and TESS QLP dataset: QLP 15 (TESS QLP Aug-Sep '19); QLP 16 (TESS QLP Sep-Oct '19); TESS 56 (TESS PDC SAP Sep '22)
1 JD Plot Mazzacurati, Giorgio 2023-10-15 16:40 UTC
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Revision History
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1 Mazzacurati, Giorgio 2023-10-25 05:53 UTC Mean magnitude from Hipparcos. Spectral type from 1975AGK3..C......0H.