Proposal code

v142

Proposal title

OH Megamaser Emission from a Nuclear Torus in Arp 220

The

Investigators and their

Affiliations

P.I. Willem BAAN NAIC, Arecibo Observatory, Puerto Rico
Yoshiharu ASAKI GUAS--NAO, Japan
Kenta FUJISAWA ISAS, Japan
Tetsuo SASAO NAO, Japan
Leonid GURVITS, Richard SCHILIZZI JIVE, The Netherlands

Proposal Abstract

We propose to study a subparsec structure in the 1.6 GHz megamaser source associated with the nuclear region of the galaxy Arp 220. The resolving power of VSOP combined with phase-referencing technique in its multi-antenna application will provide an unprecedently deep view inside the the nuclear region, presumably formed by the nuclear torus. With this proposal we would like

(i) to investigate so far untouched area of the inner parsec in megamasers, and

(ii) to demonstrate the ultimate potential of the Space VLBI in general, and the VSOP mission in particular.

The full Cover Sheets (compressed post-script, typically 50kbytes) can be retrieved. Note that many proposals were reduced in extent by the Scientific Review Committee (e.g. by reducing the number of experiments), however the Cover Sheets contain the full proposal as submitted. Also note that AO1 proposals were submitted in November 1995, and information such as affiliations and contact details has changed for some proposers since that time. The Cover Sheets (and the details on this page, which were derived from the Cover Sheets) may therefore have changed.