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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Deviations from the <strong>Correlation</strong>: Local Evolutionary Differences?<br />
Class II YSOs in gray<br />
Class I YSOs in red<br />
N(CII) / N(CI) is consistently<br />
LOW for Gas Poor<br />
N(CII) / N(CI) is consistently<br />
HIGH for YSO Poor<br />
!(YSOs) (Msun / pc 2 )<br />
2000<br />
200<br />
20<br />
2<br />
0.2<br />
Gas poor<br />
(YSO rich?)<br />
10 100<br />
!(gas) (Msun / pc 2 )<br />
YSO poor<br />
(Gas rich?)
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