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Characterizing the Molecular Interstellar Medium in ... - Caltech

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Flux [Jy]<br />

•<br />

•<br />

50<br />

40<br />

30<br />

20<br />

10<br />

CO (43)<br />

CI (10)<br />

CH<br />

CH<br />

CO (54)<br />

CO (65)<br />

HCN 87<br />

HCO+ 87<br />

H2O +<br />

H2O +<br />

H2O 211202<br />

HCN 98<br />

HCO+ 98<br />

CO (76)<br />

CI (21)<br />

CH +<br />

HCN 109<br />

HCO+ 109<br />

NH2 OH +<br />

CO (87)<br />

NH2 OH +<br />

HCN 1110<br />

NH<br />

HCO+ 1110<br />

H2O 202111<br />

NH<br />

OH +<br />

CO (98)<br />

HCN 1211<br />

HCO+ 1211<br />

H2O 312303<br />

H2O 111000<br />

H2O +<br />

H2O +<br />

HCN 1312<br />

CO (109)<br />

H2O 312221<br />

HCO+ 1312<br />

H2O 321312<br />

H2O 422413<br />

NH3 H2O 220211<br />

HF<br />

HCN 1413<br />

HCO+ 1413<br />

CO (1110)<br />

HCN 1514<br />

HCO+ 1514<br />

CO (1211)<br />

H2O 523514<br />

HCN 1615<br />

HCO+ 1615<br />

NH2 NH2 NII<br />

CH<br />

CH<br />

CO (1312)<br />

HCN 1716<br />

HCO+ 1716<br />

0<br />

670 µm<br />

SPIRE-FTS spectrum of Arp 220<br />

300 µm<br />

600 800 1000<br />

rest [GHz]<br />

1200 1400<br />

Cont<strong>in</strong>uous spectral coverage<br />

spectral resolution = 1.44 GHz<br />

•<br />

•<br />

Rangwala et al. (2011)<br />

several molecular and atomic species<br />

190 µm<br />

CO rotational transitions from J = 4-3 to 13-12

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