Detection of the Angular Expansion Rate and Determination of the Distance of the Planetary Nebula NGC 6302

Details Detection of the Angular Expansion Rate and Determination of the Distance of the Planetary Nebula NGC 6302 Detection of the Angular Expansion Rate and Determination of the Distance of the Planetary Nebula NGC 6302

Oct 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...416..620g&link_type=abstract

Astrophysical Journal v.416, p.620

Astronomy and Astrophysics

Astronomy

25

Planetary Nebulae: Individual (Ngc 6302) -- Techniques: Interferometric

Scientific paper

Using VLA data from epochs separated by 2.75 yr, we measured the angular expansion of the planetary nebula NGC 6302 to be 1.75±0.3 milliarcseconds yr-1. Adopting an expansion velocity of 13 km s-1 for the ionized gas and a simple model for the structure and dynamics of the nebula, we estimate a distance of 1.6±0.6 kpc for NGC 6302.

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