The circumstellar shells of carbon miras |
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| Authors: | Martin Groenewegen |
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| Institution: | (1) Institut d'Astrophysique de Paris, 98 bis Boulevard Arago, F-75014 Paris, France |
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| Abstract: | The relation between mass loss rate and pulsation period in carbon Miras is discussed. The dust mass loss rate is very low (about 2 × 10–10 M /yr) up to aboutP = 380 days, where there is a sudden increase. ForP > 400 days there is a linear relation between logM andP. The change in the mass loss rate near 380 days may be related to radiation pressure on dust becoming effective in driving the outflow. |
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| Keywords: | AGB stars mass loss long period variables |
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