The evolved bipolar planetary nebula NGC 2899 -
Lopez, J. A.; Falcon, L. H.; Ruiz, M. T.; Roth, M. -
Astronomy and Astrophysics (ISSN 0004-6361), vol. 241, no. 2, Jan. 1991, p. 526-536.
Huge Dust Structures and Cavities Around PNe: NGC 6826 and NGC 2899 -
Weinberger, R.; Aryal, B. - Asymmetrical Planetary Nebulae III: Winds, Structure and the Thunderbird, Proceedings of the conference held 28 July - 1 August 2003 at Mt. Rainer, Washington, USA. Edited by Margaret Meixner, Joel H. Kastner, Bruce Balick and Noam Soker. ASP Conference Proceedings, Vol. 313. San Francisco: Astronomical Society of the Pacific, 2004., p.112
In Search of Possible Associations between Planetary Nebulae and Open Clusters -
Majaess, Daniel J.; Turner, David G.; Lane, David J. -
Publications of the Astronomical Society of the Pacific, Volume 119, issue 862, pp.1349-1360 (2007). |