| Affiliation: | European Southern Observatory, Karl-Schwarzschild-Straße 2, D-85748 Garching-bei-München, Germany;National Radio Astronomy Observatory, Edgemont Road, Charlottesville, VA 22903-2475, USA;INAF –Istituto di Radioastronomia, via Gobetti 101, I-40129 Bologna, Italy;Dipartimento di Astronomia, Universitàdi Bologna, Via Ranzani 1, I-40127 Bologna, Italy;INAF –Osservatorio Astronomico di Cagliari, Loc. Poggio dei Pini, Strada 54, I-09012 Capoterra (CA), Italy;National Radio Astronomy Observatory, PO Box O, Socorro, NM 87801, USA |
