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Astron. Astrophys. 364, 763-768 (2000)

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A numerical model for the Serpens radio jet

A.C. Raga 1, S. Curiel 1, L.F. Rodríguez 2 and J. Cantó 1

1 Instituto de Astronomía, UNAM, Apartado Postal 70-264, 04510 D.F., México (raga@astroscu.unam.mx)
2 Instituto de Astronomía, UNAM, Campus Morelia, Apdo. Postal 3-72 (Xangari), Morelia, Michoacán 58089, México

Received 13 June 2000 / Accepted 31 August 2000


The Serpens ("triple source") radio continuum jet shows a series of aligned knots with [FORMULA]-2" angular separations, forming a curved structure circumscribed within a cone of [FORMULA] full opening angle. We present a high resolution, 3D numerical simulation of a jet with variable ejection direction and velocity with parameters appropriate for the Serpens jet, from which we obtain predictions of 3.6 cm radio continuum maps. We find that the general morphology of the radio emission, and the time evolution of the successive knots, qualitatively agree with 3.6 cm VLA observations of the Serpens radio jet.

Key words: hydrodynamics – molecular processes – radiative transfer – ISM: clouds – ISM: Herbig-Haro objects – ISM: jets and outflows

Send offprint requests to: A.C. Raga

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© European Southern Observatory (ESO) 2000

Online publication: January 29, 2001