Table 2
Stellar properties of the observed cold-gas-bearing debris-disc stars.
| Star | Other name | SpT | d | V | B | Teff | logg | vsini | Agea | Cold gas detectionb |
|---|---|---|---|---|---|---|---|---|---|---|
| (pc) | (mag) | (mag) | (K) | (km s−1) | (Myr) | |||||
| HD 9672 | 49 Ceti | A1V | 59.4 | 5.61 | 5.67 | 9110 | 4.25 | 186 | 40 (1) | (1) CO |
| HD 21997 | HIP 16449 | A3IV/V | 68.3 | 6.37 | 6.50 | 8610 | 4.10 | 60 | 42 (2) | (2) CO |
| HD 32297 | HIP 23451 | A0V | 136.2 | 8.14 | 8.32 | 7910 | 4.05 | 90 | <30 (3) | (3) CO |
| HD 109085 | η Crv | F2V | 18.3 | 4.31 | 4.69 | 6950 | 4.20 | 60 | 1400 (4) | (4) CO |
| HD 110058 | HIP 61782 | A0V | 188.7 | 7.97 | 8.12 | 9720 | 4.45 | 150 | 15 (5) | (5) CO |
| HD 121191 | SAO 241295 | A5IV/V | 135.9 | 8.16 | 8.40 | 7970 | 4.25 | 65 | 16 (5) | (6) CO |
| HD 121617 | SAO 224570 | A1V | 128.2 | 7.29 | 7.36 | 9285 | 4.45 | 90 | 16 (5) | (6) CO |
| HD 131488 | SAO 320038 | A1V | 150.0 | 8.00 | 8.09 | 9050 | 4.21 | 120 | 16 (5) | (6) CO |
| HD 131835 | HIP 73145 | A2IV | 145.6 | 7.86 | 8.05 | 8610 | 4.35 | 105 | 16 (5) | (7) CO |
| HD 138813 | HIP 76310 | A0V | 134.4 | 7.30 | 7.37 | 9685 | 4.45 | 130 | 10 (5) | (5) CO |
| HD 146897 | HIP 79977 | F2/3V | 122.4 | 9.11 | 9.58 | 6700 | 4.30 | 55 | 15 (6) | (5) CO |
| HD 156623 | HIP 84881 | A0V | 118.3 | 7.26 | 7.35 | 9580 | 4.10 | 80 | 16 (5) | (5) CO |
| HD 172555 | HIP 92024 | A7V | 28.6 | 4.77 | 4.97 | 7900 | 4.05 | 120 | 23 (7) | (8) OI |
| HD 181296c | η Tel | A0V+M7 | 48.2 | 5.02 | 5.04 | 10400 | 4.30 | 230 | 23 (7) | (9) CII |
| HD 181327 | HIP 95270 | F6V | 48.6 | 7.04 | 7.50 | 6650 | 4.40 | 28 | 23 (7) | (10) CO |
Notes. (a) References for ages: (1) Torres et al. (2008), (2) Bell et al. (2015), (3) Kalas (2005), (4) Marino et al. (2017), (5) Pecaut & Mamajek (2016), (6) Pecaut et al. (2012), (7) Mamajek & Bell (2014). (b) References for cold gas detection: (1) Zuckerman et al. (1995), (2) Moór et al. (2011), (3) Greaves et al. (2016), (4) Marino et al. (2017), (5) Lieman-Sifry et al. (2016), (6) Moór et al. (2017), (7) Moór et al. (2015a), (8) Riviere-Marichalar et al. (2012), (9) Riviere-Marichalar et al. (2014), (10) Marino et al. (2016) (c) The M7 brown dwarf companion of η Tel is located at an angular distance of ~ 4′′ (Neuhäuser et al. 2011).
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