Unveiling the Structure of the Planetary Nebula M2-48

Details Unveiling the Structure of the Planetary Nebula M2-48 Unveiling the Structure of the Planetary Nebula M2-48

Feb 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002rmxac..12..168l&link_type=abstract

Ionized Gaseous Nebulae, a Conference to Celebrate the 60th Birthdays of Silvia Torres-Peimbert and Manuel Peimbert, Mexico City

Astronomy and Astrophysics

Astronomy

Circumstellar Matter, Dust, Extinction, Methods: Numerical, Planetary Nebulae: Individual (V605 Aql)

Scientific paper

The PN M2-48 is formed by three main structures, namely, a bipolar central region (CR), a set of knots tracing a semicircular shell surrounding CR, and two symmetric bow-shocks. CR shows a kinematic structure corresponding to a bipolar shell, with an expansion velocity of =~ 50kms-1. The semicircular shell appears to be expanding at =~ 20kms-1, except in the regions aligned with the bow-shocks, which are interpreted as jet-shell interaction zones at =~ 100kms-1. Finally, the bow-shocks have uncorrected velocities of =~ 80kms-1. An inclination angle of 10^o with respect to the plane of the sky is estimated using simple bow shock models.

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