List of star-forming regions in the Local Group
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This is a list of star-forming regions located in the Milky Way Galaxy and in the Local Group. Star formation occurs in molecular clouds which become unstable to gravitational collapse, and these complexes may contain clusters of young stars and regions of ionized gas called H II regions. Stars typically form in groups of many stars, rather than in isolation.[1]
Contents
Galactic Star-Forming Regions
Name | RA [deg] | Dec [deg] | l [deg] | b [deg] | Distance [pc] | Age [Myr] | Earliest SpTy | Number of Stars | Cloud Mass [Mo] |
---|---|---|---|---|---|---|---|---|---|
Rho Oph | 247.025 | -24.541 | |||||||
Taurus Molecular Cloud | 070.25 | +25.87 | 174.13 | -13.45 | 140 | ||||
Orion Nebula | 83.8221 | 5.3911 | 209.013 | -19.382 | 415 | ||||
W40 | 277.871 | -2.090 | 28.791 | +3.481 | 500 [2] | 0.8 [3] | late-O [2] | 520 [4][5] | |
RCW 36 | 134.7537 | 5.3911 | 265.0794 | +1.4048 | 700 | ||||
NGC 6334 | 260.212 | -36.115 | 351.42 | +0.64 | 1700 | ||||
NGC 6357 | 261.62 | -34.20 | 353.11 | +0.65 | 1700 | ||||
Eagle Nebula | 274.700 | -13.807 | 16.95 | +0.793 | 1750 | ||||
M17 | 275.196 | -16.172 | 15.06 | -0.69 | 2000 | ||||
AFGL 2591 | 307.354 | 40.189 | 078.887 | +0.709 | 3300 [6] | O9–O6 [7] | |||
W43 | 281.885 | -01.942 | 30.759 | -0.019 | 6000 | ||||
W49 | 287.582 | +9.128 | 43.200 | +0.000 | 11000[8] | O2-3.5If*[9] |
Extragalactic Star-Forming Regions
Name | RA [deg] | Dec [deg] | l [deg] | b [deg] | Distance [pc] | Age [Myr] | Earliest SpTy | Number of Stars | Cloud Mass [Mo] |
---|---|---|---|---|---|---|---|---|---|
30 Doradus | 84.67665 | -69.10093 | 279.4652 | -31.6719 | 49,000 |
See also
References
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