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Extended Structures in the Planetary Nebulae He2-111 and He2-119

Published online by Cambridge University Press:  07 August 2017

J.A. López ,
M. Tapia  and
M. Roth
J.A. López
Affiliation:
Instituto de Astronomía, UNAM, Apartado Postal 877, Ensenada, Mexico
M. Tapia
Affiliation:
Instituto de Astronomía, UNAM, Apartado Postal 877, Ensenada, Mexico
M. Roth
Affiliation:
Las Campanas Observatory, Casilla 601, La Serena, Chile

Extract

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He 2-119 is a bright, elliptical, planetary nebula of relatively large size (117 arcsec along the major axis and 74 arcsec along the minor one). Digital, unsharp masking CCD imaging of this object is presented, revealing a filamentary, nearly bipolar inner structure. In addition, the discovery of an extended, faint halo in this object is reported. The halo has a diameter of 208 arcsec and has a nearly circular form. He 2-119 thus becomes a new member of the group of planetary nebulae with halos. Its general characteristics are discussed.

Type
III. Highlights on the Nebulae
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 208
Copyright
Copyright © Kluwer 1993