SIMBAD references

2005A&A...433..579P - Astronomy and Astrophysics, volume 433, 579-582 (2005/4-2)

The identification of PM1-322 as a new young high-density planetary nebulae.

PEREIRA C.B. and MIRANDA L.F.

Abstract (from CDS):

We report spectroscopic observations of a new planetary nebula PM1-322, which has not yet been identified. This object was found during a northern survey of post-AGB and planetary nebulae candidates selected from Garcia-Lario et al. (1997A&AS..126..479G) and Preite-Martinez (1988A&AS...76..317P). Here we present the main spectroscopic features including a list of the intensities of the identified emission lines. The main spectral characteristic of PM1-322 is the presence of a very strong [O III] λ4363 emission line (I[OIII]4363/Hβ≃120) indicating high electron densities (logNe>6.0). A comparison with similar objects strongly suggests that PM1-322 is a very young planetary nebula, although the posibility of a symbiotic nature can not be ruled out.

Abstract Copyright:

Journal keyword(s): planetary nebulae: individual: PM1-322

CDS comments: p.580 Hen 2-35 is a probable misprint for Hen 2-25

Simbad objects: 11

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