The Galactic Wind in M82: Structure and Excitation of the Optical Filaments

Details The Galactic Wind in M82: Structure and Excitation of the Optical Filaments The Galactic Wind in M82: Structure and Excitation of the Optical Filaments

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996hst..prop.6826s&link_type=abstract

HST Proposal ID #6826

Physics

Hst Proposal Id #6826 Galaxies &Amp, Clusters

Scientific paper

We propose to use the WFPC2 camera to obtain narrow-band images of the optical filaments associated with the galactic wind in NGC 3034 {M82}. We will image the filaments in the emission lines of H-Alpha, [NII] 6583, [OI] 6300, and [OIII] 5007. The H-Alpha imagery will provide a map of the optical emission associated with both lobes of the outflow, at much higher resolution than ever before studied. From recent ground-based imagery and Fabry-Perot observations with 1"-2" resolution, we expect the increased resolution of HST to reveal immense detail in the filament system and allow for accurate isolation of the filamentary structure from the background. The [NII], [OI], and [OIII] imagery will provide high-resolution maps of the filament excitation, leading to improved models of the outflow emission mechanisms and energetics.

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