Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501

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Volume 499 / No 1 (May III 2009)

A&A, 499 1 (2009) 257-266

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Table 1:

Stellar masses for all of the intensively studied pulsating PG 1159 stars, including also one pulsating [WCE] star. All masses are in solar units.
Star	$\Delta \Pi _{\ell }^{\rm a}$	$\overline {\Delta \Pi _{\ell }}$	Approximate	Period fit	Pulsations	Spectroscopy
			formula		(other works)
NGC 1501	0.571^a	0.576^a	0.530^a	--	0.55^j (asymptotic analysis)	0.56
RX J2117.1+3412	0.568^b	0.560^b	0.525^a	0.565^b	0.56^h (asymptotic analysis)	0.72
PG 1159-035	0.577-0.585^d	0.561^d	0.570^a	0.565^d	0.59ⁱ (asymptotic analysis)	0.54
PG 2131+066	0.627^a	0.578^a	0.609^a	0.589^a	0.61^e (period fit)	0.55
PG 1707+427	0.597^a	0.566^a	0.587^a	0.542^a	0.57^g (asymptotic analysis)	0.53
PG 0122+200	0.625^c	0.567^c	0.593^a	0.566^c	0.69^f (asymptotic analysis)	0.53

Notes: ^a This work. ^b Córsico et al. (2007a). ^c Córsico et al. (2007b). ^d Córsico et al. (2008). ^e Reed et al. (2000). ^f Fu et al. (2007). ^g Kawaler et al. (2004). ^h Vauclair et al. (2002). ⁱ Costa et al. (2008). ^j Bond et al. (1996).

Source LaTeX | All tables | In the text

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