Table 2
Interstellar clouds.
| Cloud | l | b |  |
dmax | ΔAG |  |
vLSR | d | 2a | 2b | M(H) | M(AV) | Ref. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ° | ° | cm-2 | pc | mag | mag | km s-1 | pc | pc | pc | M⊙ | M⊙ | ||
| (1) | (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) | (12) | |
| Zebra1 | 336.0 | 40.0 | 9.9 | 74.8 | 0.4 | 0.49 | [-8.2, 0.8] -3.3 | 60 | 6.5 | 1.6 | 63.6 | 69.5 | |
| Zebra2 (NE Cloud) | 339.7 | 44.2 | 10.2 | 92.8 | 0.4 | 0.41 | [-4.9,0.8] -1.6 | 70 | 7.2 | 0.7 | 30.0 | 26.8 | |
| Zebra3 (NW Cloud) | 330.3 | 44.5 | 7.9 | 74.8 | 0.3 | 0.30 | [-4.9,0.8] -1.6 | 70 | 8.4 | 1.0 | 41.2 | 34.4 | |
| Zebra4 (S Cloud) | 336.3 | 42.2 | 8.1 | 78.8 | 0.3 | 0.34 | [-4.9,0.8] -1.6 | 70 | 22.1 | 0.8 | 87.5 | 79.3 | |
| Zebra5 (Front Cloud) | 329.0 | 42.5 | 8.2 | 78.2 | 0.3 | 0.37 | [-6.6,1.6] -3.3 | 60 | 5.8 | 1.1 | 31.5 | 32.9 | |
| Zebra6 (Rear Cloud) | 346.9 | 40.3 | 8.5 | 83.8 | 0.5 | 0.40 | [-6.6, 0.8] -3.3 | 60? | 5.3 | 1.0 | 28.1 | 29.4 | |
| Zebra7 (Top Cloud) | 339.8 | 44.3 | 7.6 | 68.4 | 0.47 | 0.35 | [-10.7,6.7] -3.3 | 75 | 11.9 | 3.6 | 228 | 204 | |
| Zebra8 (Lower Cloud) | 337.8 | 37.5 | 8.6 | 84.2 | 0.7 | 0.39 | [-13.2,-3.3] -8.2 | 73 | 12.8 | 2.3 | 153 | 151 | |
| Zebra9( Lower Ring) | 335.3 | 34.0 | 10.2 | 70.9 | 0.5 | 0.38 | [-4.9,4.1] -0.8 | 60 | 7.2 | 4.2 | 141 | 159 | |
| DIR316+39 | 316.1 | 38.5 | 8.7 | 88.6 | 0.4 | 0.42 | [-8.2,1.6] -1.6 | 80 | 3.6 | 1.2 | 25.0 | 26.7 | a |
| LDN 1780 | 359.0 | 36.75 | 28.3 | 92.1 | 0.53 | 1.12 | [0.0,4.9] +3.7 | 74 | 2.0 | 0.9 | 33.1 | 28.7 | b;c;d |
Notes. (1) Center position. (2) Average HI4PI total hydrogen column density (Kalberla et al. 2020). (3) Distance of the nearest background Gaia star. (4) Extinction indicated by the nearest background Gaia stars. (5) Average extinction (Planck Collaboration Int. XXIX 2016). (6) LSR velocity range in brackets and peak (Kalberla & Haud 2015). (7) Estimated distance from the Gaia data. (8, 9) Major and minor axes as derived in the H I 21 cm channel maps. (10) Total mass from N(H), (11) Total mass from AV. (12) References: (a) Reach et al. (1998); (b) Mattila (1970); (c) Toth et al. (1995); and (d) Zucker et al. (2019).
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