IRAS 18455+0448: The Birth and Death of OH/IR Stars

Details IRAS 18455+0448: The Birth and Death of OH/IR Stars IRAS 18455+0448: The Birth and Death of OH/IR Stars

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001assl..265..423l&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

Scientific paper

The exponential decay over the last 706 days of the 1612 MHz maser in IRAS 18455+0448 IRAS 18455+0448 points to a PPN status for the star, and heralds its imminent death as an OH/IR star. PPN also show us that the immediate precursors of OH/IR stars are mimics: the first emergence of 1612 MHz masers from a mimic's shell then flags its birth as an OH/IR star. Prototype examples of recent births are IRAS 19566+3423 IRAS 19566+3423 and V1511 Cyg.

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