The measurement of the CO rotational temperature in the W28A region

Krzysztof Lisiecki, Dominika Itrich, Agata Karska

Star formation processes are very complex and their studies are hampered by dust and gas is molecular clouds. Infrared and millimeter radiation gives us insight into these otherwise hidden processes. Here, we analyze Herschel/PACS spectral map for a high-mass star-forming region W28A to determine gas rotational temperature using CO lines. We find a temperature of T = 265 ± 12 K, which is similar to gas temperatures for the low-mass protostars.

Proceedings of the Polish Astronomical Society, vol. 10, 105-107 (2020)

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