The Paschen P7 line in Be, AE and shell type stars

Details The Paschen P7 line in Be, AE and shell type stars The Paschen P7 line in Be, AE and shell type stars

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...85..855a&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 85, no. 2, Oct. 1990, p. 855-863.

Astronomy and Astrophysics

Astrophysics

4

A Stars, B Stars, Emission Spectra, Shell Stars, Balmer Series, H Lines, Spectral Line Width, Stellar Spectra

Scientific paper

Observations of 36 Be, Ae, and shell stars in the region 984-1020 nm are presented. P7 is seen in emission until AO and not afterwards. Fe II 999.7 nm is seen in emission in about the same types; both emissions have similar structures, and a good correlation exists between the equivalent widths of both lines. Also detected in nine Be stars is 1.0173-micron emission and in four stars 995.6-nm emission. Both lines belong to Fe II and appear when 999.7 nm is strong in emission.

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