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Name
ASASSN-V J232610.16+575656.5
AAVSO UID
--
Constellation
Cassiopeia
Sequence
J2000.0
23 26 10.16 +57 56 56.5 (351.54233 +57.94903)
Search nearby
B1950.0
23 23 52.57 +57 40 25.9
Galactic coord.
111.793 -3.067
Other names
(Internal only)
2MASS J23261016+5756566
GSC 04007-00197
Gaia DR2 2009443712646084480
LAMOST J232610.16+575656.4
TYC 4007-197-1
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Variability type
ACV
Spectral type
B8pSiCr
Mag. range
11.27 - 11.39 V
Discoverer
--
Epoch
17 Aug 2015 (HJD 2457251.894)
Ephemeris
Outburst
--
Period
2.47248 d
Rise/eclipse dur.
--
Remarks
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1
Hümmerich, Stefan
LAMOST DR4 spectrum is that of a classical Ap/CP2 star exhibiting Si and Cr overabundances. The star is notably He weak. Following the notation of
1994AJ....107.1556G
, the full spectral type is kB9 hB8 HeA0 V SiCr. A strong 5200 A depression is present.
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References
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1
T. Jayasinghe; et al., 2020 (in preparation)
--
2
Luo, A. -L.; et al., 2018, LAMOST DR4 catalogs
2018yCat.5153....0L
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Supporting Documents
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1
LAMOST DR4 spectrum
Hümmerich, Stefan
2021-01-16 00:25 UTC
Comparison of the LAMOST DR4 spectrum of ASASSN-V J232610.16+575656.5 to synthetic spectra of spectral type B8 V (Teff = 12500 K, log g = 4.0, [M/H]=0.0, microturbulent velocity of 2 km/s) and B9 V (Teff = 10500 K, log g = 4.0, [M/H]=0.0, microturbulent velocity of 2 km/s). Some lines of interest are indicated.
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Revision History
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2
Hümmerich, Stefan
2021-01-16 00:25 UTC
Type and spectral type from analysis of LAMOST DR4 spectrum (
2018yCat.5153....0L
).
1
Admin, VSX
2020-01-05 02:31 UTC
Preserved original object data.
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