Table 3
Atmospheric parameters used in the calibrations.
| Star | Ref. | Teff | log g | log [n(He)/n(H)] | Spectral type | Comments |
| [103K] | [cms-2] | |||||
|
|
||||||
| PG0039+135 | 1 | 45.0 | 5.00 | 1.00 | sdOC7VII:He40 | abundance uncertain |
| PG0101+040 | 8 | 27.3 | 5.50 | −2.70 | sdB2VII:He4 | |
| PG0133+114 | 8 | 29.6 | 5.66 | −2.30 | sdB1.5VII:He4 | |
| PG0208+016 | 1 | 40.0 | 5.00 | 1.00 | sdO9VII:He39 | abundance uncertain |
| PG0229+064 | 9 | 19.0 | 4.55 | −0.80 | sdB3V:He13 | |
| PG0240+046 | 7 | 34.0 | 5.40 | 0.23 | sdBC0.2VII:He24 | |
| PG0342+026 | 11 | 25.4 | 5.44 | −2.72 | sdB3VII:He4 | upper limit to abundance |
| PG0838+133 | 1 | 44.0 | 4.80 | 1.00 | sdOC7VII:He40 | abundance uncertain |
| PG0856+121 | 11 | 24.2 | 5.47 | −4.00 | sdB3VII:He0 | upper limit to abundance |
| PG0907+123 | 6 | 26.2 | 5.30 | −1.74 | sdB2VI:He2 | |
| PG1127+019 | 7 | 39.9 | 5.00 | 2.00 | sdOC9VII:He40 | |
| PG1245−042 | 10 | 16.4 | 3.95 | −1.55 | sdB7IV:He3e | |
| PG1249+762 | 1 | 68.0 | 5.80 | 1.00 | sdOC2VIII:He36 | lower limit to abundance |
| PG1323−086 | 5 | 15.7 | 2.35 | −0.83 | sdB3I:He8 | |
| PG1325+054 | 1 | 41.0 | 5.00 | 1.30 | sdO8VII:He40 | lower limit to abundance |
| PG1401+289 | 1 | 47.0 | 5.50 | 1.30 | sdOC7VII:He40 | lower limit to abundance |
| PG1415+492 | 7 | 32.2 | 4.20 | 2.00 | sdBC1V:He38 | |
| PG1432+004 | 14 | 22.4 | 5.15 | −2.28 | sdB2VII:He6 | |
| PG1453−081 | 10 | 16.3 | 4.20 | −0.97 | sdB5IV:He7 | |
| PG1453−085 | 10 | 12.0 | 3.20 | −1.37 | sdB8III:He0 | |
| PG1519+640 | 13 | 30.6 | 5.72 | −2.17 | sdB1.5VII:He5 | |
| PG1536+690 | 1 | 63.0 | 5.80 | 1.00 | sdOC2VIII:He40 | lower limit to abundance |
| PG1554+408 | 7 | 37.7 | 5.20 | 2.00 | sdBN0.2VII:He39 | |
| PG1615+413 | 7 | 36.0 | 5.20 | 2.00 | sdBN1VII:He37 | |
| PG1624+085 | 1 | 40.0 | 5.30 | 1.30 | sdO9VII:He39 | lower limit to abundance |
| PG1627+017 | 6 | 22.8 | 5.27 | −3.00 | sdB3VII:He3 | |
| PG1644+404 | 14 | 30.0 | 5.78 | −2.84 | sdB1.5VII:He2 | |
| PG1646+607 | 1 | 48.0 | 6.00 | 0.00 | sdO7VIII:He36 | |
| PG1648+536 | 13 | 31.4 | 5.62 | −4.00 | sdB1VII:He0 | upper limit to abundance |
| PG1658+273 | 7 | 38.8 | 4.90 | 2.00 | sdOC9.5VII:He39 | |
| PG1704+222 | 5 | 17.2 | 2.65 | −0.94 | sdB3I:He8 | |
| PG1708+142 | 3 | 20.0 | 3.70 | −0.96 | sdB2.5IV:He11 | |
| PG1715+273 | 7 | 34.7 | 5.00 | 2.00 | sdB1VII:He35 | |
| PG1716+426 | 8 | 26.1 | 5.33 | −2.90 | sdB2VII:He3 | |
| PG1722+286 | 6 | 35.8 | 5.94 | −1.46 | sdB0VII:He10p | |
| PG1725+252 | 6 | 28.9 | 5.54 | −3.05 | sdB1.5VII:He2 | |
| PG1743+477 | 6 | 25.5 | 5.41 | −2.15 | sdB2VII:He7 | |
| PG2120+062 | 4 | 38.0 | 4.25 | −1.06 | sdO9V:He17 | assumed solar abundance |
| PG2158+082 | 1 | 67.0 | 5.50 | 1.00 | sdO2VIII:He40 | lower limit to abundance |
| PG2215+151 | 1 | 40.0 | 5.00 | 1.00 | sdOC9VII:He40 | lower limit to abundance |
| PG2258+155 | 12 | 40.6 | 5.71 | 2.00 | sdB0.2VII:He39 | |
| PG2314+076 | 14 | 27.9 | 5.69 | −4.00 | sdB1.5VIII:He0p | upper limit to abundance |
| PG2321+214 | 7 | 39.6 | 5.30 | 2.00 | sdBN0VII:He37 | |
| PG2331+038 | 13 | 27.2 | 5.58 | −2.70 | sdB1.5VII:He2 | |
| PG2352+181 | 1 | 45.0 | 5.50 | 1.00 | sdO7VII:He40 | lower limit to abundance |
| BD+28 4211 | 2 | 82.0 | 6.20 | −1.00 | sdO2VIII:He5 | |
| HS1000+471 | 7 | 33.3 | 4.70 | 0.14 | sdBC0.2VII:He28 | |
| HS1844+637 | 7 | 36.4 | 5.10 | 2.00 | sdB1VII:He39 | |
| LSIV−14 116 | 7 | 32.5 | 5.40 | −0.58 | sdB0.5VII:He18 | |
| Ton 107 | 7 | 33.3 | 5.00 | −0.25 | sdBC0.2VII:He27 | |
References. (1) Dreizler et al. (1990); (2) Napiwotzki (1993); (3) Conlon et al. (1993); (4) Moehler et al. (1994); (5) Moehler and Heber (1998); (6) Maxted et al. (2001); (7) Ahmad and Jeffery (2003); (8) Morales-Rueda et al. (2003); (9) Ramspeck et al. (2001); (10) Schmidt (1996); (11) Salomon (2003); (12) Hirsch (2009); (13) Copperwheat et al. (2011); (14) this paper.
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