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Coordinated mm/sub-mm observations of Sagittarius A* in May 2007
D. Kunneriath, A. Eckart, S. Vogel +26
At the center of the Milky Way, with a distance of ~8 kpc, the compact source Sagittarius A* (SgrA*) can be associated with a super massive black hole of ~4x10^6 solar masses. SgrA…
Coordinated multi-wavelength observations of Sgr A*
A. Eckart, R. Schoedel, F. K. Baganoff +26
We report on recent near-infrared (NIR) and X-ray observations of Sagittarius A* (Sgr A*), the electromagnetic manifestation of the ~4x10^6 solar masses super-massive black hole (S…
Gravitational stability in the disk of M51
M. Hitschfeld, C. Kramer, K. F. Schuster +2
Star formation laws, like i.e. the Schmidt law relating star formation rate and total gas density, have been studied in several spiral galaxies but the underlying physics are not y…
Particularly Efficient Star Formation in M33
E. Gardan, J. Braine, K. F. Schuster +2
The Star Formation (SF) rate in galaxies is an important parameter at all redshifts and evolutionary stages of galaxies. In order to understand the increased SF rates in intermedia…
A complete 12CO 2-1 map of M51 with HERA
C. Kramer, M. Hitschfeld, K. F. Schuster +2
The nearby, almost face-on, and interacting galaxy M51 offers an excellent opportunity to study the distribution of molecular gas and the mechanisms governing the star formation ra…
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…