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Name
  HD 181231  
AAVSO UID
000-BPB-896 (No observations)  
Constellation
Aquila Sequence
J2000.0
19 19 42.37 -00 02 59.5  (289.92654 -0.04986) Search nearby
B1950.0 19 17 08.54 -00 08 35.8
Galactic coord. 36.123 -6.309
Other names

(Internal only)
2MASS J19194237-0002595 ASAS J191942-0003.0 BD-00 3705
CoRoT 8557 GSC 05130-01210 HIP 94988
KK 881-140 MWC 980 PPM 180623
SAO 143268 TIC 162021002 TYC 5130-1210-1
UCAC4 450-10483 [KW97] 36-53  
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Variability type
BE+LERI
Spectral type B5IVe
Mag. range
8.54 - 8.72 V
Discoverer --
Epoch
--
Outburst --
Period 1.6026 d
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto At least 10 independent frequencies detected, arising from NRP and rotation. Other significant period: 1.4388 d. Peak to peak amplitude 0.011 mag. (2009A&A...506..143N)
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References
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1 Neiner, C.; Gutiérrez-Soto, J.; Baudin, F.; et al., 2009, The pulsations of
the B5IVe star HD 181231 observed with CoRoT and ground-based spectroscopy
2009A&A...506..143N
2 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
3 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
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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 2021-07-23 15:22 UTC Maximum magnitude derived from Hipparcos data. Minimum magnitude from ASAS-3 data.