Table 3
Summary of the observed absorption lines assumed to arise from foreground clouds of the GC sources listed in Col. 1.
| Source | Type | Stellar radial | Lines at vLSR = | Lines at vLSR = | Lines at vLSR = | Lines at vLSR = |
|---|---|---|---|---|---|---|
| velocity (km s−1) | −145, −85, −60, −40 km s−1 | −185 km s−1 | −130 km s−1 | 50 km s−1 | ||
| observed in summed | observed in summed | observed in summed | observed in summed | |||
| R(0), P(1) and P(2) | R(0) and P(1) | R(0) and P(1) | R(0) and P(2) | |||
| spectra | spectra | spectra | spectra | |||
| Northern arm sources | ||||||
| IRS 1W | Red | 35 ± 20 | Yes | No | Yes | Yes |
| IRS 5 | Cool | 110 ± 60 | Yes | Yes | Yes | Yes |
| IRS 10W | Cool | 80 ± 60 | Yes | Yes | Yes | Yes |
| Cool | 195 ± 150 | |||||
| IRS 21 | Hot | − 90 ± 20 | Yes | Yes | Yes | Yes |
| The helium stars | ||||||
| IRS 16C | Hot | 125 ± 30 | Yes | No | No | Yes |
| IRS 16SW | Hot | 453 ± 4 | Yes | No | No | Yes |
| The bar and minicavity region | ||||||
| IRS 2S | Cool | 107 ± 20 | Yes | Yes | Yes | Yes |
| IRS 2L | Red | – | Yes | Yes | Yes | Yes |
| IRS 3 | Red | – | Yes | Yes | Yes | Yes |
| IRS 12N | Cool | − 65 ± 5 | Yes | Yes | Yes | Yes |
| IRS 13E | Hot | 45 ± 60 | Yes | Yes | Yes | Yes |
| IRS 29S | Hot | − 93 ± 20 | Yes | No | Yes | Yes |
| Hot | − 164 ± 2 | |||||
| IRS 6W | Hot | 63 ± 3 | Yes | Yes | No | Yes |
Notes. The spectral types and published radial velocities of the sources are given in Cols. 2 and 3, respectively. See Table 1 for references. For IRS 12N we used the average of the values derived by Zhu et al. (2008) and Figer et al. (2003).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.