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HST FOS spectroscopy of M2-29 and DDDM-1

Published online by Cambridge University Press:  25 May 2016

S. Torres-Peimbert ,
R. J. Dufour ,
M. Peimbert  and
M. Peña
S. Torres-Peimbert
Affiliation:
1Universidad Nacional Autónoma de México
R. J. Dufour
Affiliation:
2Rice University
M. Peimbert
Affiliation:
1Universidad Nacional Autónoma de México
M. Peña
Affiliation:
1Universidad Nacional Autónoma de México

Extract

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The halo planetary nebulae are of special interest insofar as the sample is very limited and they show a wide range of nebular chemical properties. We are interested in deriving their detailed nebular properties and to try to determine the characteristics of their progenitor stars. We selected M2-29 and DDDM-1 since they are the most deficient in Ar and S of their group. During HST Cycle 3 we obtained WFC1 direct imagery in Hα of them to derive information on their morphology and surface brightness for performing FOS spectroscopy.

Type
IV. Envelopes
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 281 - 282
Copyright
Copyright © Kluwer 1997 

References

Peña, M., Torres-Peimbert, & Ruiz, M.T. 1991, PASP, 103, 865.Google Scholar
Clegg, R.E.S., Peimbert, M. & Torres-Peimbert, S. 1987, MNRAS, 224, 76 1.Google Scholar