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A precessing molecular jet signaling an obscured, growing supermassive black hole in NGC1377?
S. Aalto, F. Costagliola, S. Muller +11
With high resolution (0."25 x 0."18) ALMA CO 3-2 observations of the nearby (D=21 Mpc, 1"=102 pc), extremely radio-quiet galaxy NGC1377, we have discovered a high-velocity, very co…
Exploring the molecular chemistry and excitation in obscured luminous infrared galaxies: An ALMA mm-wave spectral scan of NGC 4418
F. Costagliola, K. Sakamoto, S. Muller +7
We obtained an ALMA Cycle 0 spectral scan of the dusty LIRG NGC 4418, spanning a total of 70.7 GHz in bands 3, 6, and 7. We use a combined local thermal equilibrium (LTE) and non-L…
Probing highly obscured, self-absorbed galaxy nuclei with vibrationally excited HCN
S. Aalto, S. Martin F. Costagliola, E. Gonzalez-Alfonso +16
We present high resolution (0."4) IRAM PdBI and ALMA mm and submm observations of the (ultra) luminous infrared galaxies ((U)LIRGs) IRAS17208-0014, Arp220, IC860 and Zw049.057 that…
Infrared and X-Ray Evidence of an AGN in the NGC 3256 Southern Nucleus
Youichi Ohyama, Yuichi Terashima, Kazushi Sakamoto
We investigate signs of Active Galactic Nucleus (AGN) in the luminous infrared galaxy NGC 3256 at both infrared and X-ray wavelengths. NGC 3256 has double, the Northern and Souther…