Table 2
Parameters of single subluminous stars.
| Star | Teff | M | R∗ | Observed Ṁ | Predicted Ṁ | LX | Source | ||
| [K] | [M⊙] | [R⊙] | [M⊙ yr-1] | [M⊙ yr-1] | [erg s-1] | ||||
|
|
|||||||||
| PG0217+155 | 55 000 | 0.5 | 0.16 | 2.0 × 10-11 | 1 | ||||
| LS I +63 198 | 34 000 | 0.03 | 0.06 | no wind | < 1.4 × 1029 | 2, 3 | |||
| LB 1766 | 36 300 | 0.5a | 0.10 | no wind | 4, 27 | ||||
| CD-31 4800 (LS VI-03 19) | 44 000 | 0.27 | 0.1 | 1.2 × 10-14 | < 5 × 1028 | 3, 5, 6 | |||
| BD-03°2179 | 62 000 | 0.21 | 0.43 | 2.8 × 10-9 | < 2.3 × 1030 | 3, 7 | |||
| BD+75°325 | 52 000 | 0.5 | 0.21 | 1.5 × 10-11 | 4.8 × 10-11 | < 6 × 1028 | 3, 8 | ||
| PG0911+456 (DT Lyn) | 31 900 | 0.39 | 0.133 | no wind | 9 | ||||
| CD-45 5058 (LS 1275) | 75 000 | 0.5 | 0.37 | 4.5 × 10-9 | < 2 × 1031 | 2, 3 | |||
| BD+37°1977 | 48 000 | 1.8 | 2.2 | 6 × 10-9 | 1.3 × 10-9 | 3.3 × 1031 | 3, 10, 11 | ||
| EC 09582-1137 (V541 Hya) | 34 800 | 0.485 | 0.147 | no wind | 12 | ||||
| BD+10°2179 (DN Leo) | 18 500 | 0.55 | 6.2 | 1.3 × 10-9 | 1.0 × 10-9 | 10 | |||
| PG1219+534 (KY UMa) | 33 600 | 0.457 | 0.140 | no wind | 13 | ||||
| PG1325+101 (QQ Vir) | 35 100 | 0.50 | 0.145 | no wind | 14 | ||||
| vZ 1128b | 36 600 | 0.5a | 1.2 | 1 × 10-10 | 4.6 × 10-10 | 31 | |||
| CD-46 8926 (LSE 153) | 70 000 | 0.7 | 0.58 | 4.5 × 10-9 | < 3.6 × 1029 | 3, 15 | |||
| HD 144941 (CD-26 11229) | 27 000 | 0.54 | 1.0 | 1.6 × 10-10 | 8.6 × 10-11 | 10, 30 | |||
| LS IV-12.1 | 60 000 | 0.16 | 0.37 | 1.7 × 10-9 | < 4.3 × 1029 | 2, 3, 29 | |||
| HD 149382 (PG1631-039, BD-03°3967) | 35 500 | 0.5 | 0.15 | no wind | 16, 17 | ||||
| BD+39°3226 | 45 000 | 0.49 | 0.21 | 7.0 × 10-12 | < 1.5 × 1029 | 3, 18 | |||
| LSE 263 (CD-51 11879) | 70 000 | 0.54 | 0.43 | 4.2 × 10-9 | < 4.4 × 1029 | 2, 3, 15 | |||
| KPD 1943+4058 (KOI-55) | 28 000 | 0.496 | 0.203 | no wind | 28 | ||||
| HD 127493 (BD-22°3804) | 42 500 | 0.21 | 0.18 | < 2 × 10-10 | 9.7 × 10-13 | < 9 × 1028 | 3, 5, 32 | ||
| LS IV+10 9 | 45 000 | 0.39 | 0.16 | 1.0 × 10-12 | < 1.4 × 1029 | 3, 19, 29 | |||
| ALS 11634 (LS IV-14°116) | 34 000 | 0.485 | 0.2 | 4.5 × 10-14 | 20, 21 | ||||
| KPD 2109+4401 (V2203 Cyg) | 31 300 | 0.5 | 0.16 | no wind | 22, 23, 24 | ||||
| BD+28°4211 | 82 000 | 0.5 | 0.09 | 1.1 × 10-10 | 3 × 1028 | 3, 25 | |||
| Feige 110 (GJ 894.3) | 47 250 | 0.469 | 0.114 | 1.5 × 10-13 | 26 | ||||
Notes.
Member of the globular cluster Messier 3. Mass-loss rate calculated for Z = 0.1 Z⊙, which may be more appropriate for M 3.
Reference. (1) Thejll et al. (1994); (2) Østensen (2006); (3) La Palombara et al. (2014); (4) Lanz et al. (2004); (5) Bauer & Husfeld (1995); (6) Hirsch (2009); (7) Thejll et al. (1995); (8) Lanz et al. (1997); (9) Randall et al. (2007); (10) Jeffery & Hamann (2010); (11) La Palombara et al. (2015); (12) Randall et al. (2009); (13) Charpinet et al. (2005a); (14) Charpinet et al. (2006); (15) Husfeld et al. (1989); (16) Baschek et al. (1982); (17) Geier et al. (2009); (18) Rodríguez-López et al. (2007); (19) Ulla & Thejll (1998); (20) Naslim et al. (2011); (21) Jeffery et al. (2015); (22) Heber et al. (2000); (23) Charpinet et al. (2002); (24) Zhou et al. (2006); (25) Latour et al. (2013); (26) Rauch et al. (2014); (27) Naslim et al. (2010); (28) Van Grootel et al. (2010); (29) Schonberner & Drilling (1984); (30) Przybilla et al. (2005); (31) Chayer et al. (2015); (32) Hamann et al. (1981).
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