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Table 1
Parameters of the HST DA standard stars (Gianninas et al. 2011).
| Name | WD no.a | T eff | log g |
| [K] | [cm/s2] | ||
|
|
|||
| G191−B2B | 0501 + 527 | 60 920 ± 993 | 7.55 ± 0.05 |
| GD 71 | 0549 + 158 | 33 590 ± 483 | 7.93 ± 0.05 |
| GD 153 | 1254 + 223 | 40 320 ± 626 | 7.93 ± 0.05 |
| HZ 43A b | 1314 + 293 | 56 800 ± 1249c | 7.89 ± 0.07 |
Notes.
(a)
WD numbers are from McCook & Sion (1999).
(b)
HZ 43A is only used in the UV because of contamination at longer wavelengths from its M-dwarf companion.
(c)
Beuermann et al. (2006, 2008) determined and log g = 7.90 ± 0.080.
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