2005A&A...438.1013G

Query : 2005A&A...438.1013G

2005A&A...438.1013G - Astronomy and Astrophysics, volume 438, 1013-1020 (2005/8-2)

On the excitation of PG1159-type pulsations.

GAUTSCHY A., ALTHAUS L.G. and SAIO H.

Abstract (from CDS):

Stability properties are presented of dipole and quadrupole nonradial oscillation modes of model stars that experienced a late helium shell flash on their way to the white-dwarf cooling domain. The computed instability domains are compared with the observed hot variable central stars of planetary nebulae and the GW Vir pulsators.

Abstract Copyright: ∼

Journal keyword(s): stars: evolution - stars: white dwarfs - stars: oscillations

Simbad objects: 5

Full paper

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Number of rows : 5

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag B	Mag V	Mag R	Sp type	#ref 1850 - 2023
1	PG 0122+200	WD*	01 25 22.5121704552	+20 17 56.963079924	16.2		16.9	DOZ.7	111
2	V* GW Vir	WD*	12 01 45.9731868264	-03 45 40.628670300	14.87	15.04		DOQZ1	484
3	PG 1707+427	WD*	17 08 47.6869215528	+42 41 00.558430656				PG1159	115
4	MWP 1	PN	21 17 08.2817782392	+34 12 27.415995372		12.33		PG1159	185
5	V* IR Peg	WD*	21 34 08.2124719240	+06 50 57.662044329	16.15			PG1159	116

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