Commission J (Radio Astronomy) Activity Report


Inoue, M. and Kasuga, T.

November 2003 -- March 2004



1. Meetings and Conferences

A. Domestic Meetings

1) Workshop on Star Formation, Atami, Dec. 18-19, 2003

2) Universe studied by mm and sub-mm -- ALMA and Cosmology, Jan. 29-30, 2004, NAOJ Mitaka

3) Workshop on mm and sub-mm receiver technology, Mar. 10, 2004, Nagoya Univ., Nagoya

4) Workshop on Star Formation revealed by sub-milliarcsecond, Feb. 17-91, NAOJ Mitaka


B. International Meetings

1) VLBI Consortium and Korea-Japan VLBI Symposium, Yamaguchi Univ., Dec. 9-12, 2003


2) Astronomical Molecules: Dense Molecular Gas around Protostars and in Galactic Nuclei, the Netherlands, Zwolle, Feb. 17-20, 2004


3) SKA Meetings Week, Cape Town, Jan. 12-16, 2004


2. Future Meetings and Conferences

A. Domestic Meetings

1) ALMA Special session at the annual meeting of Astronomical Soc., Mar. 24, Nagoya Univ., Nagoya


B. International Meetings

1) EXPLORING THE COSMIC FRONTIER: Astrophysical Instruments for the 21st Century, May 18-21, 2004, Berlin, Germany


3. Others

A. ALMA budget is approved, and the negotiation of participation has started. 


B. Proposal of a Space VLBI project VSOP2 was reviewed in ISAS, JAXA.


C. Compatibility study with Ultra Wideband (UWB) system has been made, and we submitted a public comment to study seriously a possible interference against radio astronomy.


D. Report was submitted to Global Science Forum/OECD from Task Force on Radio Astronomy and the Radio Spectrum.  Several recommendations on compatibility study between LEO satellites and radio astronomy are made.


E. VERA dual beam system has been tested to show a good performance for phase referencing.