Black hole accretion and star formation as drivers of gas excitation and chemistry in Markarian 231

Citation:

Van der Werf PP, Isaak KG, Meijerink R, Spaans M, Rykala A, Fulton T, Loenen AF, Walter F, Weiß A, Armus L, et al. Black hole accretion and star formation as drivers of gas excitation and chemistry in Markarian 231. Astronomy & Astrophysics. 2010;518:L42.