VLBI Polarisation with the Yebes (EVN) and Hobart (LBA) antennae

Details VLBI Polarisation with the Yebes (EVN) and Hobart (LBA) antennae VLBI Polarisation with the Yebes (EVN) and Hobart (LBA) antennae

2009-01-12

arxiv.org/abs/0901.1494v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

The 9th European VLBI Network Symposium, 2008

Scientific paper

Work has been on-going for the development of the required code for full polarisation processing of VLBI data using some new antennae mounts. The extensions of AIPS allows the support of two new mount types; the left-handed and right-handed Nasmyth antennae (Pico Veleta in the GMVA and Yebes-40m in the EVN) and the EW-mount (Hobart in the LBA). The data handling process is seamless, once the correct mount type has been selected. All subsequent calls to the parallactic angle subroutine PARANG will return the feed angles for Left or Right Nasmyth or EW-mount. These are required, respectively, for Pico Veleta, Yebes-40m (low frequency branch) and Hobart.

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