Ott, Juergen, Henkel, Christian, Staveley-Smith, Lister, Weiss, Axel
The first detection of ammonia (NH3) is reported from the Magellanic Clouds. Using the Australia Telescope Compact Array, we present a targeted search for the (J,K) = (1,1) and (2,2) inversion lines...
BLAST: the far-infrared/radio correlation in distant galaxies (2009)
Ivison, R. J., Alexander, David M., Biggs, Andy D., Brandt, W. N., Chapin, Edward L., Coppin, Kristen E. K., ...
We investigate the correlation between far-infrared (FIR) and radio luminosities in distant galaxies, a lynchpin of modern astronomy. We use data from the Balloon-borne Large Aperture Submillimetre...
Riechers, Dominik A., Walter, Fabian, Bertoldi, Frank, Carilli, Christopher L., Aravena, Manuel, Neri, Roberto, ...
We have imaged CO(J=7-6) and CI(3P2-3P1) emission in the host galaxy of the z=6.42 quasar SDSS J114816.64+525150.3 (hereafter: J1148+5251) through observations with the Plateau de Bure...
Coppin, Kristen, Smail, Ian, Alexander, David M., Weiss, Axel, Walter, Fabian, Swinbank, Mark, ...
We report on the identification of the highest redshift submm-selected source currently known: LESSJ033229.4-275619. This source was detected in the Large Apex BOlometer CAmera (LABOCA) Extended...
A kiloparsec-scale hyper-starburst in a quasar host less than 1 gigayear after the Big Bang (2009)
Walter, Fabian, Riechers, Dominik, Cox, Pierre, Neri, Roberto, Carilli, Chris, Bertoldi, Frank, ...
The host galaxy of the quasar SDSS J114816.64+1525150.3 (at redshift z=6.42, when the Universe was less than a billion years old) has an infrared luminosity of 2.2x10^(13) times that of the...
A Sensitive Search for [N II]205 μm Emission in a z = 6.4 Quasar Host Galaxy (2009)
Walter, Fabian, Weiss, Axel, Riechers, Dominik A., Carilli, Christopher L., Bertoldi, Frank, Cox, Pierre, ...
We present a sensitive search for the 3P1 → 3P0 ground-state fine structure line at 205 μm of ionized nitrogen ([N II]205μm) in one of the highest-redshift quasars (J1148+5251 at z = 6.42) using...
Properties of the molecular gas in a starbursting QSO at z=1.83 in the COSMOS field (2008)
Aravena, Manuel, Bertoldi, Frank, Schinnerer, Eva, Weiss, Axel, Jahnke, Knud, Carilli, Chris L., ...
Using the IRAM 30m telescope, we have detected the CO J=2-1, 4-3, 5-4, and 6-5 emission lines in the millimeter-bright, blank-field selected AGN COSMOS J100038+020822 at redshift z=1.8275. The...
The Molecular Ridge Close to 30 Doradus in the Large Magellanic Cloud (2008)
Ott, Juergen, Wong, Tony, Pineda, Jorge L., Hughes, Annie, Muller, Erik, Li, Zhi-Yun, ...
With the ATNF Mopra telescope we are performing a survey in the 12CO(1-0) line to map the molecular gas in the Large Magellanic Cloud (LMC). For some regions we also obtained interferometric maps of...
Detection of Emission from the CN Radical in the Cloverleaf Quasar at z=2.56 (2007)
Riechers, Dominik A., Walter, Fabian, Cox, Pierre, Carilli, Christopher L., Weiss, Axel, Bertoldi, Frank, ...
We report the detection of CN(N=3-2) emission towards the Cloverleaf quasar (z=2.56) based on observations with the IRAM Plateau de Bure Interferometer. This is the first clear detection of emission...
The Low CO Content of the Extremely Metal Poor Galaxy I Zw 18 (2007)
Leroy, Adam, Cannon, John, Walter, Fabian, Bolatto, Alberto, Weiss, Axel
We present sensitive molecular line observations of the metal-poor blue compact dwarf I Zw 18 obtained with the IRAM Plateau de Bure interferometer. These data constrain the CO J=1-0 luminosity...
Detection of emission from the CN radical in the cloverleaf quasar at z=2.56 (2007)
Riechers, Dominik A., Walter, Fabian, Cox, Pierre, Carilli, Christopher L., Weiss, Axel, Bertoldi, Frank, ...
We report the detection of CN(N=3-->2) emission toward the Cloverleaf quasar (z=2.56) based on observations with the IRAM Plateau de Bure Interferometer. This is the first clear detection of emission...
The low CO content of the extremely metal poor galaxy I Zw 18 (2007)
Leroy, Adam, Cannon, John, Walter, Fabian, Bolatto, Alberto, Weiss, Axel
We present sensitive molecular line observations of the metal-poor blue compact dwarf I Zw 18 obtained with the IRAM Plateau de Bure interferometer. These data constrain the CO J=1-0 luminosity...
A New Water Vapor Megamaser (2006)
Cernicharo, José, Pardo Carrión, Juan Ramón, Weiss, Axel
We report on the detection of a new megamaser, the 3_1,3–2_2,0 H2O line (v0 = 183.310 GHz) in Arp 220, using the Institut de Radioastronomie Millimétrique (IRAM) 30 m telescope. The line is about...
CO(1-0) in z >/~ 4 Quasar Host Galaxies: No Evidence for Extended Molecular Gas Reservoirs (2006)
Riechers, Dominik A., Walter, Fabian, Carilli, Christopher L., Knudsen, Kirsten K., Lo, K. Y., Benford, Dominic J., ...
We present CO(1-0) observations of the high-redshift quasi-stellar objects (QSOs) BR 1202-0725 (z=4.69), PSS J2322+1944 (z=4.12), and APM 08279+5255 (z=3.91) using the NRAO Green Bank Telescope (GBT)...
A Search for H2O in the Strongly Lensed QSO MG 0751+2716 at z=3.2 (2006)
Riechers, Dominik A., Weiss, Axel, Walter, Fabian, Carilli, Christopher L., Knudsen, Kirsten K.
We present a search for 183 GHz H_2O(3_13-2_20) emission in the infrared-luminous quasar MG 0751+2716 with the NRAO Very Large Array (VLA). At z=3.200+/-0.001, this water emission feature is...
First Detection of HCO+ Emission at High Redshift (2006)
Riechers, Dominik A., Walter, Fabian, Carilli, Christopher L., Weiss, Axel, Bertoldi, Frank, Menten, Karl M., ...
We report the detection of HCO+(1-0) emission towards the Cloverleaf quasar (z=2.56) through observations with the Very Large Array. This is the first detection of ionized molecular gas emission at...
A search for H2O in the strongly lensed QSO MG 0751+2716 at z = 3.2 (2006)
Riechers, Dominik A., Weiss, Axel, Walter, Fabian, Carilli, Christopher L., Knudsen, Kirsten K.
We present a search for 183 GHz H2O (313-->220) emission in the infrared-luminous quasar MG 0751+2716 with the NRAO Very Large Array (VLA). At z=3.200+/-0.001, this water emission feature is...
First detection of HCO+ emission at high redshift (2006)
Riechers, Dominik A., Walter, Fabian, Carilli, Christopher L., Weiss, Axel, Bertoldi, Frank, Menten, Karl M., ...
We report the detection of HCO+ (J=1-->0) emission toward the Cloverleaf quasar (z=2.56) through observations with the Very Large Array. This is the first detection of ionized molecular gas emission...
CO(1-0) in z >~ 4 quasar fost galaxies: No evidence for extended molecular gas reservoirs (2006)
Riechers, Dominik A., Walter, Fabian, Carilli, Christopher L., Knudsen, Kirsten K., Lo, K. Y., Benford, Dominic J., ...
We present 12CO(J=1-->0) observations of the high-redshift quasi-stellar objects (QSOs) BR 1202-0725 (z=4.69), PSS J2322+1944 (z=4.12), and APM 08279+5255 (z=3.91) using the NRAO Green Bank Telescope...
The Temperature Distribution of Dense Molecular Gas in the Center of NGC 253 (2005)
Ott, Juergen, Weiss, Axel, Henkel, Christian, Walter, Fabian
[abridged] We present interferometric maps of ammonia (NH3) of the nearby starburst galaxy NGC 253 [star formation rate: ~2.8 Mo yr^(-1)]. The observations have been taken with the Australia...
CO(1-0) & CO(5-4) observations of the most distant known radio galaxy at z=5.2 (2005)
Klamer, Ilana, Ekers, Ron, Sadler, Elaine, Weiss, Axel, Hunstead, Richard, De Breuck, Carlos
Using the Australia Telescope Compact Array we have detected CO(1-0) and CO(5-4) from TNJ0924-2201 at z=5.2, the most distant radio galaxy known to date. This is the second highest redshift detection...
The temperature distribution of dense molecular gas in the center of NGC 253 (2005)
Ott, Jürgen, Weiss, Axel, Henkel, Christian, Walter, Fabian
We present interferometric maps of ammonia (NH3) of the nearby starburst galaxy NGC 253. The observations have been taken with the Australia Telescope Compact Array and include the para-NH3 (1, 1)...
Star Clusters in M51: Connection between Molecular Gas Stars and Dust (2005)
Schinnerer, Eva, Weiss, Axel, Aalto, Susanne, Scoville, Nicolas Z., Rupen, Michael P., Kennicutt, Robert C., ...
We have mapped key molecular line probes (12CO, 13CO, C18O, HCN, HCO+) in two distinct regions in the spiral arms of the Whirlpool galaxy, M51. Line Velocity Gradient (LVG) analysis performed at a...
Molecular Gas in M82: Resolving the Outflow and Streamers (2002)
Walter, Fabian, Weiss, Axel, Scoville, Nick
We present a high-resolution (3.6'', 70pc) CO(1-0) mosaic of the molecular gas in M 82 covering an area of 2.5' x 3.5' (2.8kpc x 3.9kpc) obtained with the OVRO millimeter interferometer. The...
Evidence for an Expanding Molecular Superbubble in M82 (1999)
Weiss, Axel, Walter, Fabian, Neininger, Nikolaus, Klein, Uli
We present evidence for an expanding superbubble in M82 (diameter: ~130 pc, expansion velocity: ~45 km/s, mass: ~8*10^6 SM). It is seen in the 12CO(J=1-0), 12CO(J=2-1), 13CO(J=1-0) and C18O(J=1-0)...
Thesis (doctoral)--Universität Karlsruhe, 1998.
Heidelberg, Univ., Diss., 1995 (Nicht für den Austausch).
Zugl.: Leipzig, Pädag. Hochsch., Diss.
Thesis (doctoral)--Johannes Gutenberg-Universität in Mainz, 1965.