2000ApJ...530..949S

Query : 2000ApJ...530..949S

2000ApJ...530..949S - Astrophys. J., 530, 949-954 (2000/February-3)

Mass-radius relation for magnetic white dwarfs.

SUH I.-S. and MATHEWS G.J.

Abstract (from CDS):

Recently, several white dwarfs with very strong surface magnetic fields have been observed. In this paper we explore the possibility that such stars could have sufficiently strong internal fields to alter their structure. We obtain a revised white dwarf mass-radius relation in the presence of strong internal magnetic fields. We first derive the equation of state for a fully degenerate ideal electron gas in a magnetic field using an Euler-MacLaurin expansion. We use this to obtain the mass-radius relation for magnetic 4He, 12C, and 56Fe white dwarfs of uniform composition.

Abstract Copyright: ∼

Journal keyword(s): Stars: Interiors - Stars: Magnetic Fields - Stars: White Dwarfs

CDS comments: t.1 : RE J0317-858 misprint for RE J0317-853

Simbad objects: 15

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Number of rows : 15
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PG 0136+251 WD* 01 38 52.9776840264 +25 23 22.640581464   15.83       DA1.2 91 0
2 V* CL Oct WD* 03 17 15.8468594712 -85 32 25.558244556   13.78 13.66 15.19   DAP 180 1
3 LB 9802 WD* 03 17 19.1282833488 -85 32 31.288377552   13.78 13.66 14.43   DA 141 1
4 * omi02 Eri B WD* 04 15 21.7957181469 -07 39 29.203986789 9.147 9.83 9.53     DA2.9 357 0
5 * alf CMa B WD* 06 45 09.3041925037 -16 43 00.724740067   8.41 8.44     DA1.9 563 1
6 LAWD 23 WD* 06 47 37.9897150309 +37 30 57.066665144   11.97 12.07 12.26   DA2.3 182 0
7 * alf CMi B WD* 07 39 17.8800 +05 13 26.800   10.7 10.92     DQZ 174 0
8 RX J0823.6-2525 WD* 08 23 34.6655665968 -25 25 14.953058544   16.7   15.9   DA1.2 37 1
9 PG 0945+246 ** 09 48 46.6405381296 +24 21 25.877233728   14.14 14.25 14.50 14.47 DA+DXP 69 0
10 Ton 527 WD* 10 33 49.1967544416 +23 09 16.254781992   15.3 15.73     DAP2 120 0
11 GD 140 WD* 11 37 05.1041466528 +29 47 58.288741080 11.47 12.42 12.45 12.73 12.714 DA2.2 257 0
12 PG 1658+441 WD* 16 59 48.4241073768 +44 01 04.038522204   14.3 14.6     DAP1.6 156 0
13 LAWD 73 WD* 19 00 10.2533239461 +70 39 51.416733790   13.24   13.5   DAP4.5 264 0
14 GD 229 WD* 20 12 22.2670866408 +31 13 48.884861856 13.62 14.77 14.85     DXP2 143 0
15 EGGR 161 WD* 23 32 03.5207942068 +26 58 46.119170653   15.52   15.2   DAP4.2 56 0

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