2013MNRAS.428.1587V

Query : 2013MNRAS.428.1587V

2013MNRAS.428.1587V - Mon. Not. R. Astron. Soc., 428, 1587-1593 (2013/January-2)

A ballistic model for a precessing and orbiting jet with a time-dependent ejection velocity.

VELAZQUEZ P.F., RAGA A.C., CANTO J., SCHNEITER E.M. and RIERA A.

Abstract (from CDS):

We have found that the ballistic trajectory of a precessing, orbiting and time-dependent velocity jet has a semi-analytical solution. Bipolar, multipolar and S-like morphologies, which are observed in young protoplanetary and planetary nebula (PPN and PN, respectively), can be reproduced by setting different values for the ratio between dynamical time and precession periods, the ratio between the precession and orbital periods, and the jet velocity variability period. We have also computed numerical simulations and find a good agreement with the semi-analytical solution for a jet 103 times denser than the surrounding environment.

Abstract Copyright: © 2012 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2012)

Journal keyword(s): hydrodynamics - methods: analytical - methods: numerical - ISM: jets and outflows - planetary nebulae: general

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 RAFGL 618 pA* 04 42 53.6242032600 +36 06 53.400902220   16.32   12.59   C-rich 1027 0
2 IC 4634 PN 17 01 33.5816774904 -21 49 33.015515916   12.3 11.3     O3If 286 0
3 Hen 3-1475 PN 17 45 14.1819342984 -17 56 46.778166204       12.733   B7e 201 0

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