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- Spanish National ObservatoryES106 papers
- Instituto de Física FundamentalES65 papers
- Centre National de la Recherche ScientifiqueFR52 papers
- Center for Astrophysics Harvard & SmithsonianUS34 papers
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- Max Planck Institute for Radio AstronomyDE32 papers
- Chalmers University of TechnologySE30 papers
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- Laboratoire d’Etudes du Rayonnement et de la Matière en Astrophysique et AtmosphèresFR24 papers
7 papers · 1 filter
Near-Field Radio Holography of Large Reflector Antennas
J. W. M. Baars, R. Lucas, J. G. Mangum +1
We summarise the mathematical foundation of the holographic method of measuring the reflector profile of an antenna or radio telescope. In particular, we treat the case, where the…
A complete 12CO 2-1 map of M51 with HERA: I. Radial averages of CO, HI, and radio continuum
K. F. Schuster, C. Kramer, M. Hitschfeld +2
The mechanisms governing the star formation rate in spiral galaxies are not yet clear. The nearby, almost face-on, and interacting galaxy M51 offers an excellent opportunity to stu…
Organic Molecules in the Galactic Center. Hot Core Chemistry without Hot Cores
M. A. Requena-Torres, J. Martín-Pintado, A. Rodríguez-Franco +3
We study the origin of large abundances of complex organic molecules in the Galactic center (GC). We carried out a systematic study of the complex organic molecules CH3OH, C2H5OH,…
Photon dominated regions in the spiral arms of M83 and M51
C. Kramer, B. Mookerjea, E. Bayet +5
We present CI 3P1-3P0 spectra at four spiral arm positions and the nuclei of the nearby galaxies M83 and M51 obtained at the JCMT. This data is complemented with maps of CO 1-0, 2-…
Molecular gas in the Galactic center region III. Probing shocks in molecular cores
S. Huettemeister, G. Dahmen, R. Mauersberger +3
Multiline observations of C18O and SiO isotopomers toward 33 molecular peaks in the Galactic center region, taken at the SEST, JCMT and HHT telescopes, are presented. The C18O pres…
Dense Gas and Star Formation: Characteristics of Cloud Cores Associated with Water Masers
Rene Plume, D. T. Jaffe, Neal J. Evans +2
We have observed 150 regions of massive star formation, selected originally by the presence of a water maser, in the J = 5-4, 3-2, and 2-1 transitions of CS, and 49 regions in the…