Maser activity and hydrogen emission in long-period variable stars

Details Maser activity and hydrogen emission in long-period variable stars Maser activity and hydrogen emission in long-period variable stars

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..380s&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, June-July 1979, p. 380-383.

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1

H Lines, Interstellar Masers, Stellar Spectrophotometry, Variable Stars, Spectral Line Width, Stellar Spectra, Tables (Data), Telescopes

Scientific paper

A variety of long-period variable (LPV) stars were observed in order to compare H-delta emission with microwave maser emission. The stars include representatives of the S-type stars and carbon stars; the LPVs and S stars both have some members that show masing activity in the circumstellar shells and others that apparently do not. No correlation between hydrogen emission and maser activity was found. Some of the masing LPVs have H-delta in emission and some in absorption. For each group there is a correlation between equivalent width and phase.

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