A Correlation Between Surface Densities of Young Stellar
A Correlation Between Surface Densities of Young Stellar
A Correlation Between Surface Densities of Young Stellar
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A <strong>Correlation</strong> <strong>Between</strong> Star and Gas <strong>Surface</strong> Density in Ophiuchus!<br />
YSO surface densities:<br />
- 11 th nearest neighbor<br />
- Each YSO ~ 0.5 Msun<br />
Gas surface densities:<br />
- Near-IR reddening maps<br />
1 Av ~ 15 Msun / pc 2<br />
Uniform baseline removed<br />
Class I YSOs in red<br />
Class II YSOs in gray<br />
Diagonal shading:<br />
- Lower Av limit (Av < 1) on left<br />
- Lower YSO surface density<br />
limit on bottom (AGN)<br />
Power law fit in blue<br />
Alpha = 1.8<br />
!(YSOs) (Msun / pc 2 )<br />
2000<br />
200<br />
20<br />
2<br />
0.2<br />
Ophiuchus<br />
10 100<br />
!(gas) (Msun / pc 2 )
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