Research Article
The Appearance and Disappearance of Exocomet Gas Absorption
Table 2
ESO data archival observations.
| Name | | Sp | Distance | | Radial velocity | Age | Instrument | Observation date | (pc) | (km s−1) |
(km s−1) | Myr |
| HD 109573 (HR 4796) | 5.8 | AO | 73 | 152 | 7.1 ± 1.1 | 8a | FEROS | 2007-03-09T06:23:49 | FEROS | 2007-05-04T02:27:33 | FEROS | 2007-05-04T02:43:21 | FEROS | 2010-05-27T00:28:30 |
| HD 161868 | 3.8 | AOV | 32 | 210 | −7.6 ± 0.3 | 184a | FEROS | 2005-08-19T23:23:43 | FEROS | 2005-08-20T00:00:46 | FEROS | 2005-09-09T00:10:46 | FEROS | 2006-05-20T05:42:34 | FEROS | 2006-09-12T01:43:21 |
| Beta Pictoris (HD 39060) | 3.9 | A6V | 19 | 122 | 20.0 ± 0.7 | 12b | HARPS | 2003-12-23T00:35:22 | HARPS | 2003-12-28T00:17:03 | HARPS | 2003-12-29T08:43:28 |
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aChen et al. [26], and bRhee et al. [21].
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