1210.4389 (J. -F. Desmurs et al.)

Preliminary results on SiO v=3 J=1-0 maser emission from AGB stars    [PDF]

J. -F. Desmurs, V. Bujarrabal, M. Lindqvist, J. Alcolea, R. Soria-Ruiz, P. Bergman

We present the results of SiO maser observations at 43GHz toward two AGB stars using the VLBA. Our preliminary results on the relative positions of the different J=1-0 SiO masers (v=1,2 and 3) indicate that the current ideas on SiO maser pumping could be wrong at some fundamental level. A deep revision of the SiO pumping models could be necessary.

View original: http://arxiv.org/abs/1210.4389