UNCOVERING THE DEEPLY EMBEDDED ACTIVE GALACTIC NUCLEUS ACTIVITY IN THE NUCLEAR REGIONS OF THE INTERACTING GALAXY Arp 299 by Alonso-Herrero, A, Roche, P, Esquej, P, Gonzalez-Martin, O, Pereira-Santaella, M, Ramos Almeida, C, Levenson, N, Packham, C, Asensio Ramos, A, Mason, R, Rodriguez Espinosa, J, Alvarez, C, Colina, L, Aretxaga, I, Diaz-Santos, T, Perlman, E, Telesco, C

“…The GTC/CC spectroscopy displays evidence of deeply embedded active galactic nucleus (AGN) activity in both nuclei. The GTC/CC nuclear spectrum of NGC 3690/Arp 299-B1 can be explained as emission from AGN-heated dust in a clumpy torus with both a high covering factor and high extinction along the line of sight. …”

The starburst-active galactic nucleus connection in the merger galaxy Mrk 938: an infrared and X-ray view by Esquej, P, Alonso-Herrero, A, Perez-Garcia, A, Pereira-Santaella, M, Rigopoulou, D, Sanchez-Portal, M, Castillo, M, Almeida, C, Coia, D, Altieri, B, Acosta-Pulido, J, Conversi, L, Gonzalez-Serrano, J, Hatziminaoglou, E, Povic, M, Rodriguez-Espinosa, J, Valtchanov, I

LOCAL LUMINOUS INFRARED GALAXIES. II. ACTIVE GALACTIC NUCLEUS ACTIVITY FROM SPITZER/INFRARED SPECTROGRAPH SPECTRA by Alonso-Herrero, A, Pereira-Santaella, M, Rieke, G, Rigopoulou, D

“…We quantify the active galactic nucleus (AGN) contribution to the mid-infrared (mid-IR) and the total infrared (IR, 8-1000 μm) emission in a complete volume-limited sample of 53 local luminous infrared galaxies (LIRGs, L IR = 1011-1012 L ⊙). …”

Mid-J CO emission in nearby Seyfert galaxies by Pereira-Santaella, M, Spinoglio, L, Busquet, G, Glenn, J, Isaak, K, Kamenetzky, J, Rangwala, N, Schirm, M, Baes, M, Barlow, M, Boselli, A, Cooray, A, Cormier, D

“…These CO lines probe warm molecular gas that can be heated by ultraviolet photons, shocks, or X-rays originated in the active galactic nucleus or in young star-forming regions. …”

Far-infrared metallicity diagnostics: application to local ultraluminous infrared galaxies by Pereira-Santaella, M, Rigopoulou, D, Farrah, D, Lebouteiller, V, Li, J

“…We show that this ratio produces robust metallicities in the presence of an active galactic nucleus and is insensitive to changes in the age of the ionizing stellar. …”

High-velocity extended molecular outflow in the star-formation dominated luminous infrared galaxy ESO 320-G030 by Pereira-Santaella, M, Colina, L, García-Burillo, S, Alonso-Herrero, A, Arribas, S, Cazzoli, S, Emonts, B, Piqueras López, J, Planesas, P, Storchi Bergmann, T, Usero, A, Villar-Martín, M

“…We do not find any evidence for the presence of an active galactic nucleus. We estimate that supernova explosions in the nuclear starburst (ν SN ∼ 0.2 yr -1 ) can power the observed molecular outflow. …”

Spatially resolved cold molecular outflows in ULIRGs by Pereira-Santaella, M, Colina, L, Garcia-Burillo, S, Combes, F, Emonts, B, Aalto, S, Alonso-Herrero, A, Arribas, S, Henkel, C, Labiano, A, Muller, S, Lopez, J, Rigopoulou, D, Werf, P

“…The origin of these outflows can be explained by the strong nuclear starbursts although the contribution of an obscured active galactic nucleus cannot be completely ruled out. The position angle (PA) of the outflowing gas along the kinematic minor axis of the nuclear molecular disk suggests that the outflow axis is perpendicular to the disk for three of these outflows. …”

A HIGH SPATIAL RESOLUTION MID-INFRARED SPECTROSCOPIC STUDY OF THE NUCLEI AND STAR-FORMING REGIONS IN LUMINOUS INFRARED GALAXIES by Diaz-Santos, T, Alonso-Herrero, A, Colina, L, Packham, C, Levenson, N, Pereira-Santaella, M, Roche, P, Telesco, C

“…We investigate the spatial variations of the features seen in the N-band spectra of LIRGs on scales of ∼100pc, which allow us to resolve their nuclear regions and separate the active galactic nucleus (AGN) emission from that of the star formation (SF). …”

The Galaxy Activity, Torus, and Outflow Survey (GATOS): II. Torus and polar dust emission in nearby Seyfert galaxies by Alonso-Herrero, A, Garcia-Burillo, S, Honig, SF, Garcia-Bernete, I, Ramos Almeida, C, Gonzalez-Martin, O, Lopez-Rodriguez, E, Boorman, PG, Bunker, AJ, Burtscher, L, Combes, F, Davies, R, Diaz-Santos, T, Gandhi, P, Garcia-Lorenzo, B, Hicks, EKS, Hunt, LK, Ichikawa, K, Imanishi, M, Izumi, T, Labiano, A, Levenson, NA, Packham, C, Pereira-Santaella, M, Ricci, C, Rigopoulou, D, Roche, P, Rosario, DJ, Rouan, D, Shimizu, T, Stalevski, M, Wada, K, Williamson, D

“…The wind component is more relevant at high Eddington ratios and/or active galactic nucleus luminosities, and polar dust emission is predicted at nuclear column densities of up to ∼10²⁴ cm^−2. …”