A preliminary look at the empirical mass distribution of hot B subdwarf stars

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Volume 539 (March 2012)

A&A, 539 (2012) A12

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Table 1

Hot B subdwarf stars with masses determined by asteroseismology.

Name	log g	T_eff	M	log M_env/M	Modes	Binary	References
	(cm s^-2)	(K)	(M_⊙)

PG 0014 + 067	5.780 ± 0.008	33 550 ± 380	0.490 ± 0.019	−4.31 ± 0.22	p	no	Brassard et al. (2001)
	5.775 ± 0.009	34 130 ± 370	0.477 ± 0.024^a	−4.32 ± 0.23			Charpinet et al. (2005a)
	5.772	34 130 ± 370	0.478	−4.13			Brassard & Fontaine (2008)
PG 1047 + 003	5.800 ± 0.006	33 150 ± 200	0.490 ± 0.014^a	−3.72 ± 0.11	p	no	Charpinet et al. (2003)
PG 1219 + 534	5.807 ± 0.006	33 600 ± 370	0.457 ± 0.012^a	−4.25 ± 0.15	p	no	Charpinet et al. (2005b)
Feige 48	5.437 ± 0.006	29 580 ± 370	0.460 ± 0.008^a	−2.97 ± 0.09	p	yes	Charpinet et al. (2005c)
	5.462 ± 0.006	29 580 ± 370	0.519 ± 0.009	−2.52 ± 0.06			Van Grootel et al. (2008a)
EC 05217 − 3914	5.730 ± 0.008	32 000 ± 1800	0.490 ± 0.020^a	−3.00 ± 0.20	p	no	Billères & Fontaine (2005)
PG 1325 + 101	5.811 ± 0.004	35 050 ± 220	0.499 ± 0.011^a	−4.18 ± 0.10	p	no	Charpinet et al. (2006a)
PG 0048 + 092	5.711 ± 0.010	33 300 ± 1700	0.447 ± 0.027^a	−4.92 ± 0.20	p	yes	Charpinet et al. (2006b)
EC 20117 − 4014	5.856 ± 0.008	34 800 ± 2000	0.540 ± 0.040^a	−4.17 ± 0.08	p	yes	Randall et al. (2006b)
PG 0911 + 456	5.777 ± 0.002	31 940 ± 220	0.390 ± 0.010^a	−4.69 ± 0.07	p	no	Randall et al. (2007)
BAL 090100001	5.383 ± 0.004	28 000 ± 1200	0.432 ± 0.015^a	−4.89 ± 0.14	p	no	Van Grootel et al. (2008b)
PG 1336 − 018	5.739 ± 0.002	32 780 ± 200	0.459 ± 0.005^a	−4.54 ± 0.07	p	yes	Charpinet et al. (2008)
PG 1605+072	5.248	32 300 ± 300	0.707	−5.78	p	no	van Spaandonk et al. (2008)
	5.217	32 300 ± 300	0.561	−6.22
	5.226 ± 0.004	32 300 ± 300	0.528 ± 0.002	−5.88 ± 0.04			Van Grootel (2008)
	5.276	32 630 ± 600	0.731	−2.83			Van Grootel et al. (2010a)
	5.278	32 630 ± 600	0.769	−2.71
EC 09582 − 1137	5.788 ± 0.004	34 805 ± 230	0.485 ± 0.011^a	−4.39 ± 0.10	p	no	Randall et al. (2009)
KPD 1943+4058	5.520 ± 0.030	27730 ± 270	0.496 ± 0.002^a	−2.55 ± 0.07	g	no	Van Grootel et al. (2010b)
KPD 0629 − 0016	5.450 ± 0.034	26 485 ± 195	0.471 ± 0.002^a	−2.42 ± 0.07	g	no	Van Grootel et al. (2010c)
KIC02697388	5.492 ± 0.041	25 395 ± 225	0.459 ± 0.011^a	−2.33 ± 0.05	g	no	Charpinet et al. (2011)

Notes.

^(a)

Masses retained for our analysis.

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