Astronomy and Astrophysics – Astrophysics – Cosmology and Extragalactic Astrophysics
Scientific paper
2010-12-13
Astronomy and Astrophysics
Astrophysics
Cosmology and Extragalactic Astrophysics
PoS(10th EVN Symposium)080: Proceedings of the 10th European VLBI Network Symposium and EVN Users Meeting: VLBI and the new ge
Scientific paper
The detection of gamma-ray emission by Fermi-LAT from the radio loud Narrow Line Seyfert 1 PMN J0948+0022 (Abdo et al. 2009, ApJ 699, 976) triggered a multi-wavelength campaign between March and July 2009. Given its high compactness (Doi et al. 2006, PASJ 58, 829), inverted spectrum, and 0deg declination, the source was an ideal target to observe at 22 GHz with a Global VLBI array extending from Europe to East Asia and Australia. In order to deliver prompt results to be analysed in combination with the other instruments participating in the campaign, the observations were carried out with real time VLBI, for the first time on a Global scale. Indeed, the main results have been published just a few months after the campaign (Abdo et al. 2009, ApJ 707, 727). Here we present additional details about the e-VLBI observations.
Bignall Hayley
Blanchard Jay
Colomer Francisco
Doi Akihiro
Foschini Luca
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