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A low HI column density filament in NGC 2403: signature of interaction or accretion
W. J. G. de Blok, Katie M. Keating, D. J. Pisano +6
Observed HI accretion around nearby galaxies can only account for a fraction of the gas supply needed to sustain the currently observed star formation rates. It is possible that ad…
Spectral Energy Distributions of QSOs at z>5: common AGN-heated dust and occasionally strong star-formation
C. Leipski, K. Meisenheimer, F. Walter +7
We present spectral energy distributions (SEDs) of 69 QSOs at z>5, covering a rest frame wavelength range of 0.1mu to ~80mu, and centered on new Spitzer and Herschel observations.…
Varying [CII]/[NII] line ratios in the interacting system BR1202-0725 at z=4.7
R. Decarli, F. Walter, C. Carilli +8
We study the properties of the interstellar medium in the interacting system BR1202-0725 at z=4.7 via its [NII] and [CII] fine-structure line emission. This system consists of a QS…
High-resolution [C II] imaging of HDF850.1 reveals a merging galaxy at z=5.185
R. Neri, D. Downes, P. Cox +1
New high-resolution maps with the IRAM Interferometer of the redshifted [C II] 158 micron line and the 0.98mm dust continuum of HDF850.1 at z = 5.185 show the source to have a blue…
Karl G. Jansky Very Large Array observations of cold dust and molecular gas in starbursting quasar host galaxies at z~4.5
J. Wagg, C. L. Carilli, M. Aravena +9
We present Karl G. Jansky Very Large Array (VLA) observations of 44 GHz continuum and CO J=2-1 line emission in BR1202-0725 at z=4.7 (a starburst galaxy and quasar pair) and BRI133…