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Submillimeter Wave Astronomy Satellite observations of Comet 9P/Tempel 1 and Deep Impact
Comet Tempel-1 Radiative Transfer Radio Observations Comets
2014/12/23
On 4 July 2005 at 5:52 UT the Deep Impact mission successfully completed its goal to hit the nucleus of 9P/Tempel 1 with an impactor, forming a crater on the nucleus and ejecting material into the com...
Powerful High-Velocity Dispersion Molecular Hydrogen Associated with an Intergalactic Shock Wave in Stephan's Quintet
interactions intergalactic medium
2014/12/23
We present the discovery of strong mid-infrared emission lines of molecular hydrogen of apparently high-velocity dispersion (~870 km s-1) originating from a group-wide shock wave in Stephan's Quintet....
Millimeter-wave molecular mapping of comets Hyakutake and Hale -Bopp
Comet The wu comet Millimeter wave instrument
2014/12/9
The inner solar system passes of the bright comets C/1995 O1 Hale-Bopp and C/1996 B2 Hyakutake, coupled with modern, sensitive millimeter-wave instrumentation provided an opportunity to make unprecede...
Probing chemical evolution in molecular clouds with millimeter -wave observations
Cereal chemistry The interstellar medium Millimeter wavelength Molecular emission Dynamics Temperature observation The density of hydrogen molecules
2014/12/9
We present results for a study of gas-phase and grain chemical processes in the dense interstellar medium (ISM) using millimeter-wavelength observations of the pure rotational transitions of molecules...
Measuring a cosmological distance-redshift relationship using only gravitational wave observations of binary neutron star coalescences
neutron stars gravitational waves cosmology
2011/10/14
Detection of gravitational waves from the inspiral phase of binary neutron star coalescence will allow us to measure the effects of the tidal coupling in such systems. These effects will be measurable...
Polypropylene Embedded Metal-Mesh Broadband Achromatic Half Wave Plate for Millimeter Wavelengths
Embedded Metal-Mesh Broadb Achromatic Half Wave Plate Millimeter Wavelengths
2011/10/11
We describe a novel multi-layered metal mesh achromatic half wave plate for use in astronomical polarimetric instruments. The half wave plate is designed to operate across the frequency range from 125...