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| Paper: |
Some of What 1612 MHz Masers Tell Us about the dM/dt of OH/IR Stars |
| Volume: |
378, Why Galaxies Care About AGB Stars: Their Importance as Actors and Probes |
| Page: |
311 |
| Authors: |
Lewis, B.M. |
| Abstract: |
80% of the most massive OH/IR stars with the reddest mid-infrared colors appear to have detached shells: these are due to a strongly modulated mass-loss rate on a much longer time-scale than their pulsational periods. The complete switching off & on of 1612 MHz masers in the low-mass star IRAS 19479+2111 suggests now that all OH/IR stars have a strongly modulated dM/dt. |
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