Table 1
Continuum point sources that were used for H i absorption studies.
| Name | RA(2000) | Dec(J2000) | Maj × Min | T cont | T cont,dif | Far Scutum | Spectral | Location | |
| (h:m:s) | (°:′:″) | (″×″) | K | K | arm | index | |||
|
|
|||||||||
| G31.388−0.384 | 18:49:59.1 | −1.32.55.9 | 21.3 × 20.3 | 2055±24 | 20.2 | yes | −0.82 | ext. gal | |
| G31.411+0.307 | 18:47:34.1 | −1.12.45.5 | 24.0 × 23.0 | 914±26 | 19.4 | no | 0.63 | gal. | |
| G30.234−0.138 | 18:47:00.4 | −2.27.52.9 | 21.7 × 20.7 | 853±23 | 42.1 | no | 0.00 | gal. | |
| G30.534+0.021 | 18:46:59.3 | −2.07.27.9 | 28.0 × 21.5a | 653±21 | 35.9 | no | 0.21 | gal. | |
| G31.242−0.110 | 18:48:44.7 | −1.33.13.7 | 25.1 × 21.2 | 573±22 | 30.1 | no | 0.58 | gal. | |
| G29.090+0.512 | 18:42:35.8 | −3.11.04.7 | 20.0 × 10.0 | 571±44 | 20.5 | yes | −1.03 | ext. gal | |
| G30.744+1.008 | 18:43:51.4 | −1.29.14.8 | 23.1 × 20.1 | 472±36 | 16.9 | yes | −0.90 | ext. gal | |
| G30.699−0.630 | 18:49:36.3 | −2.16.27.2 | 22.3 × 19.6 | 403±18 | 23.4 | yes | −1.11 | ext. gal | |
Notes. Continuum point sources in the observed field with brightness temperatures Tcont> 400 K. The names and spectral indexes are based on work presented in Johnston et al. (in prep.) and are preliminary results. Coordinates, major, and minor axes of the 2D fit, maximum brightness temperature Tcont of the continuum point source and the diffuse weak continuum temperature around the point source are given. The column “far Scutum arm” indicates whether absorption features at vLSR ≈ −40 km s-1 are present in the H i spectra. The spectral index and the absorption of the far Scutum arm are used to determine the location of the point sources, which is given in the last column.
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