Uniformity Despite Diversity: PN Expansion Velocities in the Local Group

Details Uniformity Despite Diversity: PN Expansion Velocities in the Local Group Uniformity Despite Diversity: PN Expansion Velocities in the Local Group

Jun 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007rmxac..28..107r&link_type=abstract

The 3rd Mexico-Korea Conference on Astrophysics: Telescopes of the Future and San Pedro Mártir (Eds. Stan Kurtz, José Franco, Se

Astronomy and Astrophysics

Astrophysics

Planetary Nebulae: General, Ism: Kinematics And Dynamics

Scientific paper

We have undertaken a survey of planetary nebula (PN) expansion velocities in the [O III] λ5007 line in Local Group galaxies visible from the OAN-SPM, Mexico using the Manchester Echelle Spectrograph (MES; Meaburn et al. 2003) on the 2.1-meter telescope. The instrumental profile has a velocity width of 11.5 km s-1 (2.7 pixel FWHM), and the nebular line profiles are always resolved.

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