Radio Continuum and H I Observations of the Remarkable Planetary Nebula KJPN 8

Details Radio Continuum and H I Observations of the Remarkable Planetary Nebula KJPN 8 Radio Continuum and H I Observations of the Remarkable Planetary Nebula KJPN 8

Apr 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000rmxaa..36...51r&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, vol. 36, p. 51

Astronomy and Astrophysics

Astronomy

5

Planetary Nebulae, Radio Astronomy, Interstellar Matter, H I Regions, Hydrogen Atoms, Hydrogen Clouds, Very Large Array (Vla), Neutral Atoms, Star Formation

Scientific paper

We present Very Large Array (VLA) continuum observations of the core of KjPn 8 made with arc second angular resolution and taken at three epochs over a period of 2.8 years. The radio appearance of the planetary nebula seems to have experienced changes, tentatively attributed to variable illumination coming from the nucleus. We also present VLA observations of atomic hydrogen toward this source, made with an angular resolution of about 40". We detect associated emission that suggests the presence of a mass of atomic hydrogen of order 0.07 Stellar Mass) in the envelope.

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