Table 4.
Spectral indices calculated from our observations.
| Star | αB6 | αB3 − B6 | Dust mass [M⊙] |
|---|---|---|---|
| GY Aql | 2.4 ± 0.3 | 1.9 ± 0.6 | 3.4 × 10−8 |
| R Aql | 1.7 ± 0.1 | 2.5 ± 0.7 | 4.3 × 10−8 |
| IRC−10529 | 2.1 ± 0.1 | 1.7 ± 0.6 | 3.7 × 10−7 |
| W Aql | 2.1 ± 0.2 | … | 5.5 × 10−8 |
| SV Aqr | 2.1 ± 0.6 | … | 6.2 × 10−9 |
| U Del | 1.8 ± 0.1 | … | 1.6 × 10−8 |
| π1 Gru | 3.0 ± 0.1 | 1.8 ± 0.4 | 1.4 × 10−8 |
| U Her | 1.7 ± 0.1 | 1.7 ± 0.3 | 2.9 × 10−8 |
| R Hya | 2.0 ± 0.1 | … | 7.3 × 10−9 |
| T Mic | 2.0 ± 0.1 | 2.0 ± 0.4 | 7.2 × 10−9 |
| S Pav | 2.1 ± 0.1 | … | 1.2 × 10−8 |
| IRC+10011 | 2.3 ± 0.1 | … | 1.1 × 10−7 |
| V PsA | 1.8 ± 0.1 | … | 9.3 × 10−9 |
| RW Sco | 2.3 ± 0.2e | 1.0 ± 0.2 | 1.7 × 10−8 |
| KW Sgr | 2.0 ± 0.1 | … | 1.9 × 10−7 |
| VX Sgr | 2.1 ± 0.1 | … | 6.4 × 10−7 |
| AH Sco | 1.4 ± 0.3 | … | 1.0 × 10−6 |
Notes. αB6 is derived from the combined Band 6 continuum with the exception of (e) RW Sco, for which αB6 is derived from extended Band 6 data only. αB3 − B6 is calculated from the ACA Band 3 data and the compact main array Band 6 data. The italic values have a higher uncertainty than the listed formal value. The dust mass estimate is a lower limit in all cases and assumes a dust temperature of 1000 K. See text for details.
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