First detection of [N II] 205 μm absorption in interstellar gas - Herschel-HIFI observations towards W 31C, W 49N, W 51, and G34.3+0.1
, , , , , , , , , and
A&A, 568 (2014) A37
Published online: 08 August 2014
DOI: 10.1051/0004-6361/201423997