Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: GD 244: asteroseismology of a pulsator in the middle of the ZZ Ceti
  instability strip   We present our preliminary results on the asteroseismological investigations
of the ZZ Ceti star GD 244. We used literature values of the effective
temperature and surface gravity and utilized the White Dwarf Evolution Code of
Bischoff-Kim, Montgomery and Winget (2008, ApJ, 675, 1512) to build our model
grid for the seismological analysis. Five observed pulsational modes published
up to now were used to find acceptable model solutions. We found that the best
model fits have masses between 0.61 and 0.74 M_solar and constitute two groups
with hydrogen layer masses of either ~10^{-5} or 10^{-6} M_solar. Based on a
statistical analysis of a larger sample of possible model solutions, we assume
that the mass of the star is below ~0.68 M_solar and the oxygen content in the
centre is less than 60 percent.

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The categories of this paper are: hep-th
29
The categories of this paper are: funct-an
26
The categories of this paper are: bayes-an
15
The categories of this paper are: nucl-ex
33
The categories of this paper are: plasm-ph
23
The categories of this paper are: solv-int
2
The categories of this paper are: math
19
The categories of this paper are: eess
4
The categories of this paper are: cond-mat
32
The categories of this paper are: atom-ph
25
The categories of this paper are: patt-sol
17
The categories of this paper are: q-fin
18
The categories of this paper are: econ
37
The categories of this paper are: supr-con
24
The categories of this paper are: dg-ga
5
The categories of this paper are: gr-qc