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- W2600762917 abstract "The internal structures of pulsating white dwarfs can be explored only with asteroseismology. Time series photometric observations were made for the pulsating DA white dwarf (ZZ Ceti star) WD~0246+326 during 9 nights in 2014 with a bi-site observation campaign. Eleven frequencies were detected including 1 triplet, 2 doublets, and 4 single modes, which are identified as either $l=1$ or $l=2$ modes with the complementarity of frequencies present in the literature. From the multiplets, the rotation period of astrobj{WD~0246+326} is derived as $3.78pm 0.11$ days. The average period spacing of the l=1 modes $Delta P=29.3pm 0.2s$, implies that astrobj{WD~0246+326} may be a massive ZZ Ceti star concerning the $Delta P-M_*$ relationship for the DAVs. Preliminary analysis derives the stellar parameters of $M_*=0.98pm0.01$~${rm M_odot}$ and $T_{rm eff}=11700pm100$~K by fitting the theoretical frequencies of the eigen modes to the observed ones." @default.
- W2600762917 created "2017-04-07" @default.
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- W2600762917 date "2017-08-01" @default.
- W2600762917 modified "2023-10-16" @default.
- W2600762917 title "Asteroseismology of the ultramassive ZZ ceti star WD 0246+326" @default.
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- W2600762917 doi "https://doi.org/10.1016/j.newast.2017.03.003" @default.
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