New OH/IR stars from color-selected IRAS sources. II - an unbiased 1612 MHz survey

Astronomy and Astrophysics – Astronomy

Scientific paper

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Infrared Astronomy Satellite, Infrared Sources (Astronomy), Masers, Planetary Nebulae, Stellar Evolution, Giant Stars, Near Infrared Radiation, Radiation Pressure, Stellar Mass

Scientific paper

Results are reported from the Arecibo 1612-MHz survey of color-selected IRAS sources. This paper examines 1294 sources, to detect 86, 79 of them new detections, all with 25-micron fluxes greater than 2 Jy. The special feature of this work is its coverage of sources with high absolute value of b(II), so the 1612-MHz characteristics of stars with small progenitor masses are determined. This provides direct observational evidence that radiation pressure acting on dust grains influences mass loss from red giants.

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