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The Surprising Absence of Absorption in the Far-Ultraviolet Spectrum of Mrk 231
S. Veilleux, M. Trippe, F. Hamann +11
Mrk 231, the nearest (z = 0.0422) quasar, hosts both a galactic-scale wind and a nuclear-scale iron low-ionization broad absorption line (FeLoBAL) outflow. We recently obtained a f…
The Far-Infrared, UV and Molecular Gas Relation in Galaxies up to z=2.5
R. Nordon, D. Lutz, A. Saintonge +10
We use the infrared excess (IRX) FIR/UV luminosity ratio to study the relation between the effective UV attenuation (A_IRX) and the UV spectral slope (beta) in a sample of 450 1<z<…
Excited OH+, H2O+, and H3O+ in NGC 4418 and Arp 220
E. González-Alfonso, J. Fischer, S. Bruderer +15
We report on Herschel/PACS observations of absorption lines of OH+, H2O+ and H3O+ in NGC 4418 and Arp 220. Excited lines of OH+ and H2O+ with E_lower of at least 285 and \sim200 K,…
The SINS/zC-SINF Survey of z~2 Galaxy Kinematics: The Nature of Dispersion Dominated Galaxies
Sarah F. Newman, Reinhard Genzel, Natascha M. Forster Schreiber +22
We analyze the spectra, spatial distributions and kinematics of Ha, [NII] and [SII] emission in a sample of 42, z~2.2 UV/optically selected star forming galaxies (SFGs) from the SI…
New observations of the gas cloud G2 in the Galactic Center
S. Gillessen, R. Genzel, T. K. Fritz +6
We present new observations of the recently discovered gas cloud G2 currently falling towards the massive black hole in the Galactic Center. The new data confirm that G2 is on a hi…
The impact of interactions, bars, bulges, and AGN on star formation efficiency in local massive galaxies
A. Saintonge, L. J. Tacconi, S. Fabello +10
Using observations from the GASS and COLD GASS surveys and complementary data from SDSS and GALEX, we investigate the nature of variations in gas depletion time observed across the…
The SINS/zC-SINF survey of z~2 galaxy kinematics: Outflow properties
Sarah F. Newman, Reinhard Genzel, Natascha Forster-Schreiber +22
Based on SINFONI Ha, [NII] and [SII] AO data of 30 z \sim 2 star-forming galaxies (SFGs) from the SINS and zcSINF surveys, we find a strong correlation of the Ha broad flux fractio…
Physical properties of dense molecular gas in centres of Seyfert galaxies
E. Sani, R. I. Davies, A. Sternberg +10
We present new ~1" resolution data of the dense molecular gas in the central 50-100 pc of four nearby Seyfert galaxies. PdBI observations of HCN and, in 2 of the 4 sources, simulta…
Shocked Superwinds from the z~2 Clumpy Star-forming Galaxy, ZC406690
Sarah F. Newman, Kristen Shapiro Griffin, Reinhard Genzel +20
We have obtained high-resolution data of the z 2 ring-like, clumpy star-forming galaxy (SFG) ZC406690 using the VLT/SINFONI with AO (in K-band) and in seeing-limited mode (in H- an…
Physical properties of Lyman-alpha emitters at from UV-to-FIR measurements
I. Oteo, A. Bongiovanni, A. M. Pérez García +25
The analysis of the physical properties of low-redshift Ly emitters (LAEs) can provide clues in the study of their high-redshift analogues. At , LAEs are bright enou…
Evidence of strong quasar feedback in the early Universe
R. Maiolino, S. Gallerani, R. Neri +10
Most theoretical models invoke quasar driven outflows to quench star formation in massive galaxies, this feedback mechanism is required to account for the population of old and pas…
Smooth(er) Stellar Mass Maps in CANDELS: Constraints on the Longevity of Clumps in High-redshift Star-forming Galaxies
Stijn Wuyts, Natascha M. Forster Schreiber, Reinhard Genzel +22
We perform a detailed analysis of the resolved colors and stellar populations of a complete sample of 323 star-forming galaxies at 0.5 < z < 1.5, and 326 star-forming galaxies at 1…
COLD GASS, an IRAM Legacy Survey of Molecular Gas in Massive Galaxies: III. Comparison with semi-analytic models of galaxy formation
Guinevere Kauffmann, Cheng Li, Jian Fu +7
We compare the semi-analytic models of galaxy formation of Fu et al. (2010), which track the evolution of the radial profiles of atomic and molecular gas in galaxies, with gas frac…
A Herschel view of the far-infrared properties of submillimetre galaxies
B. Magnelli, D. Lutz, P. Santini +48
We study a sample of 61 submillimetre galaxies (SMGs) selected from ground-based surveys, with known spectroscopic redshifts and observed with Herschel as part of the PACS Evolutio…
Herschel-PACS Observations of Far-IR CO Line Emission in NGC 1068: Highly Excited Molecular Gas in the Circumnuclear Disk
S. Hailey-Dunsheath, E. Sturm, J. Fischer +13
We report the detection of far-IR CO rotational emission from the prototypical Seyfert 2 galaxy NGC 1068. Using Herschel-PACS, we have detected 11 transitions in the J_upper=14-30…
Physics of the Galactic Center Cloud G2, on its Way towards the Super-Massive Black Hole
Andreas Burkert, Mark Schartmann, Christian Alig +4
The origin, structure and evolution of the small gas cloud, G2, is investigated, that is on an orbit almost straight into the Galactic central supermassive black hole (SMBH). G2 is…