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A High-Resolution Survey of HI Absorption toward the Central 200 pc of the Galactic Center
High-Resolution Survey Galactic Center
2010/11/10
We present an HI absorption survey of the central 250 pc of the Galaxy. Very Large Array (VLA) observations were made at 21 cm in the DnC and CnB con gurations and have a resolution of 15"(0.6 pc at ...
Massive Star Formation of the Sgr A East HII Regions Near the Galactic Center
Galaxy Astrophysics (astro-ph.GA)
2011/1/4
A group of four compact HII regions associated with the well-known 50 km/s molecular cloud is the closest site of on-going star formation to the dynamical center of the Galaxy, at a projected distance...
The ionized gas at the center of IC 10: A possible localized chemical pollution by Wolf-Rayet stars
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/28
We present results from integral field spectroscopy with the Potsdam Multi-Aperture Spectrograph at the 3.5m telescope at Calar Alto Observatory of the intense star-forming region [HL90] 111 at the ce...
Improving Galactic Center Astrometry by Reducing the Effects of Geometric Distortion
Galaxy Astrophysics (astro-ph.GA)
2010/12/22
We present significantly improved proper motion measurements of the Milky Way's central stellar cluster. These improvements are made possible by refining our astrometric reference frame with a new geo...
Catching a runaway in the Galactic Center：a study of the IRS8 bowshock
runaway IRS8 bowshock Galactic Center
2009/7/1
Catching a runaway in the Galactic Center：a study of the IRS8 bowshock。
VLA Detection of a Double Radio Source at the Center of the HH 288 Quadrupolar Outflow
VLA HH 288 Quadrupolar Outflow Double Radio
2009/6/16
VLA Detection of a Double Radio Source at the Center of the HH 288 Quadrupolar Outflow。
A new method to find the potential center of N-Body systems
N-Body systems potential center
2009/6/11
A new method to find the potential center of N-Body systems。
The Center for Theoretical Astrophysics works on outstanding problems in theoretical astrophysics, general relativity, and cosmology. Members of the Center work out of Loomis Laboratory of Physics, th...
The Harvard-Smithsonian Center for Astrophysics (CfA) is a collaboration between the Harvard College Observatory (HCO) and the Smithsonian Astrophysical Observatory (SAO) . Many CfA staff members are ...
Statement by Baruch S. Blumberg at the Opening of the Carl Sagan Center for the Study of Life in the Universe（图）
Astrobiology physics chemistry paleontology
2006/12/8
November 30, 2006，Astrobiology is an exciting new scientific program and discipline that has been initially funded and encouraged by NASA. Today, we celebrate the formation of the Carl Sagan Center fo...