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Visual Extinction and Physical Conditions in the Bipolar Nebula M2-9

Published online by Cambridge University Press:  07 August 2017

A. Riera
A. Riera*
Affiliation:
Departament de Física i Enginyeria nuclear, Escola Universitària de Vilanova i la Geltrú, Universitat Politécnica de Catalunya, Barcelona (Spain)

Abstract

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A detailed analysis of the visual extinction and physical conditions of the extreme bipolar nebula M2-9 has been made from optical spectra acquired with the Intermediate Dispersion Spectrograph of the 2.5m Isaac Newton Telescope (Observatorio del Roque de los Muchachos, La Palma) in combination with a 235mm camera and the IPCS detector covering the spectral range 3500-7500 Å with spectral resolution of 4 Å.

Type
IV. Planetary Nebulae Connection: Evolution from the AGB
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 345
Copyright
Copyright © Kluwer 1993 

References

Allen, D.A., 1979, MNRAS 186, 1P.CrossRefGoogle Scholar