Table 1
Properties of the S CrA binary components.
| Parameter | S CrA N | S CrA S |
|
|
||
| spectral type | K3 | M0 |
| M∗ [M⊙] | 1.5 ± 0.2 | 0.6 ± 0.2 |
| T∗ [K] | 4800 ± 400 | 3800 ± 400 |
| L∗ [L⊙] | 2.30 ± 0.70 | 0.76 ± 0.24 |
| Brγ [10-16 W m-2] | 4.23 ± 1.10 | 1.59 ± 0.57 |
| mJ [mag] | 8.6 | 9.4 |
| mH [mag] | 7.5 | 8.3 |
| mK [mag] | 6.6 | 7.3 |
| distance [pc] | 130 ± 20 | |
| A v | 2.8a | |
| binary sep. [′′] | 1.30 ± 0.05b/1.4c | |
Notes. If not mentioned otherwise, the values are taken from Prato et al. (2003). For the spectral type of the primary, Herbig & Bell (1988) found K6 and Carmona et al. (2007) G5Ve. Ortiz et al. (2010) found a distance of 138 ± 16 pc, which is consistent with the table value and the one extensively discussed by Neuhäuser & Forbrich (2008) (130 pc). Other references:
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