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Observations of Local Interstellar Mg I and Mg IICopernicus and IUE observations of 5 stars within 50 pc of the Sun were combined to study the ionization of magnesium in the local interstellar medium (LISM). The high resolution Copernicus spectrometer was used to detect interstellar MG I 2852 in the spectra of alpha Gru, alpha Eri, and alpha Lyr, while placing upper limits on Mg I in the spectra of alpha CMa and alpha PsA. Observations of Mg II 2795, 2802 for these stars were also obtained with IUE and Copernicus. The column densities of Mg I and Mg II are used to place constraints on the temperature of the LISM.
Document ID
19850007238
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Bruhweiler, F. C.
(Catholic Univ. of America D.C., United States)
Oegerle, W.
(Space Telescope Science Inst. D.C., United States)
Weiler, E.
(NASA Headquarters Washington, DC United States)
Stencel, R. E.
(NASA Headquarters Washington, DC United States)
Kondo, Y.
(NASA Goddard Space Flight Center)
Date Acquired
August 12, 2013
Publication Date
November 1, 1984
Publication Information
Publication: Local Interstellar Medium, No. 81
Subject Category
Astrophysics
Accession Number
85N15547
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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