Light Variability of Color Selected IRAS Sources: Variables in Late AGB and Early Post-AGB Phase

Details Light Variability of Color Selected IRAS Sources: Variables in Late AGB and Early Post-AGB Phase Light Variability of Color Selected IRAS Sources: Variables in Late AGB and Early Post-AGB Phase

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001assl..265..111f&link_type=abstract

Post-AGB Objects as a Phase of Stellar Evolution, Proceedings of the Toruń Workshop held July 5-7, 2000. Edited by R. Szczerba a

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

The transition from AGB to post-AGB stars was investigated using the H-band monitoring of these objects for four years. The Mira-type pulsations were found only in the restricted area in the IRAS two color diagram. The non-variable sources occupy the region close to the AGB variables. A new class of post-AGB variables was discovered beyond the non-variables. They are probably crossing the instability strip on their rapid evolution to the planetary nebula stage.

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