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Details for Revision 2
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Name
  V0447 Cep  
AAVSO UID
--  
Constellation
Cepheus Sequence
J2000.0
22 10 59.60 +63 23 59.0  (332.74833 +63.39972) Search nearby
B1950.0 22 09 27.04 +63 09 09.5
Galactic coord. 106.073 +5.909
Other names

(Internal only)
1RXS J221055.6+632339 2MASS J22105949+6323583 2RXS J221055.5+632340
ADS 15712 AB AG+63 1234 AKARI-IRC-V1 2210594+632357
BD+62 2045 CCDM J22110+6324AB GSC 04267-00251
HD 210808 HIP 109505 IRAS 22094+6309
SAO 19921 TYC 4267-251-1 UCAC4 767-064647
USNO-A2.0 1500-08874797 USNO-B1.0 1533-0335227 WISE J221059.50+632358.2
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Variability type
LPB:
Spectral type B5
Mag. range
7.39 - 7.44 Hp
Discoverer --
Epoch
31 Aug 1991 (HJD 2448500.003) Ephemeris
Outburst --
Period 0.314013 d  (7.5363 h)
Rise/eclipse dur. --
Remarks
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1 Mishevskiy, Nikolay J-K= -0.05, B-V= 0.19. Min II= 7.46V. WISE data show infrared excess. Also likely ELL with elements: HJD 2457886.265 + 0.628015 d. and amplitude 0.11 mag. (TESS). It might actually be a BCEP with P= 0.314008 d.
2 GCVS Team The variability may be due to the fainter (B) component.
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References
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1 Ricker, G. R.; et al., 2014, Transiting Exoplanet Survey Satellite (TESS) 2014SPIE.9143E..20R
2 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
3 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200
1997yCat.1239....0E
4 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
5 Roman, N. G., 1978, Spectral types for early-type stars observed by Skylab. 1978AJ.....83..172R
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Supporting Documents
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3 Light curve TESS Mishevskiy, Nikolay 2020-03-30 01:41 UTC
2 Combined phase plot P= 7.53 d Mishevskiy, Nikolay 2020-03-30 01:38 UTC
1 Combined phase plot P= 0.63 d Mishevskiy, Nikolay 2020-03-30 01:21 UTC
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Revision History
Currently approved revision is checked. Click revision number to view details of that revision.
4 Mishevskiy, Nikolay 2020-01-23 03:55 UTC Type, period, epoch and range from HIPPARCOS and TESS data. Position from Gaia DR2. Spectral type from 1978AJ.....83..172R.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added period, epoch and spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.