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Table 1
Target and line-of-sight information (from literature).
| ID | HD 197770 | HD 194279 |
|
|
||
| RA (J2000)a | 20:43:13.68 | 20:23:18.16 |
| Dec (J2000)a | +57:06:50.4 | +40:45:32.6 |
| Spectral typea | B2 III | B1.5 Ia |
| distance (pc) | ~440g | 1100i |
| B (mag)a | 6.594 | 7.92 |
| V (mag)a | 6.341 | 7.09 |
| E(B − V) (mag) | 0.58 ± 0.04c | 1.21 |
| AV (mag) | 1.61 ± 0.14c | 3.9 |
| RV | 2.8d, 2.77 ± 0.15c | 3.2d, 3.25 ± 0.03e |
| Pmax (%) | 3.83b, 3.81f | 2.77 |
| λmax (μm) | 0.49b, 0.51f | 0.58 |
| Pmax/AV (%/mag) | 2.4 | 0.71 |
| Pmax/τVh | 0.026 | 0.008 |
Notes.
(b)
From Clayton et al. (1995).
(c)
From Valencic et al. (2004).
(d)
Computed from RV = 5.5λmax (Serkowski et al. 1975).
(e)
From Wegner (2003).
(f)
From Wolff et al. (1993).
(g)
From Dobashi et al. (1994).
(i)
Spectroscopic parallax distance (McCall et al. 2002); see also Sect. 3.2.2.
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