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Name
  TIC 451932686  
AAVSO UID
000-BPV-158 (No observations)  
Constellation
Vulpecula Sequence
J2000.0
19 45 42.31 +23 59 04.0  (296.42629 +23.98444) Search nearby
B1950.0 19 43 35.19 +23 51 42.1
Galactic coord. 60.287 -0.309
Other names

(Internal only)
2MASS J19454231+2359042 ALS 10492 ASAS J194542+2359.1
BD+23 3762 GSC 02139-00542 HD 344880
Hilt 823 LS II +23 45 MCW 748
Roslund 2 16 TYC 2139-542-1  
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Variability type
EA+BCEP
Spectral type B0.5V
Mag. range
9.29 - 9.68 V
Discoverer L. A. Balona, D. Ozuyar (TESS)
Epoch
02 May 2012 (HJD 2456050.2) Ephemeris
Outburst --
Period 54.494 d
Rise/eclipse dur. 1.5%  (0.8 d)
Remarks
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1 Otero, Sebastian Alberto Very eccentric system. Min II = 9.38 V at phase 0.33, duration 4.0%. BCEP period 0.10534 d., amplitude 0.0013 mag. (2020AJ....160...32L).
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References
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1 Balona, L. A.; Ozuyar, D., 2020, Pulsation among TESS A and B stars and the
Maia variables
2020MNRAS.493.5871B
2 Labadie-Bartz, J.; et al., 2020, New Beta Cephei Stars from the KELT
Project
2020AJ....160...32L
3 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
4 Massey, P.; Johnson, K. E.; Degioia-Eastwood, K., 1995, The Initial Mass
Function and Massive Star Evolution in the OB Associations of the Northern
Milky Way
1995ApJ...454..151M
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Images
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Supporting Documents
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Revision History
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1 Otero, Sebastian Alberto 2024-01-25 04:23 UTC Type, period, epoch and eclipse duration from 2020AJ....160...32L. Maximum magnitude from ASAS-3 data. Minimum magnitude from 2020AJ....160...32L and ASAS-3 data. Spectral type from 1995ApJ...454..151M.