Properties of the variation of the infrared emission of OH/IR stars

Details Properties of the variation of the infrared emission of OH/IR stars Properties of the variation of the infrared emission of OH/IR stars

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jass...26..279s&link_type=abstract

Journal of Astronomy and Space Sciences. Vol. 26, no. 3, 279-286

Astronomy and Astrophysics

Astronomy

Stars: Agb And Post-Agb, Infrared: Stars, Stars: Oscillations, Circumstellar Matter, Dust, Extinction

Scientific paper

To study properties of the variation of the infrared emission of OH/IR stars, we collect and analyze the infrared observational data in K band for nine OH/IR stars. We use the observational data obtained for about three decades including recent data from the two micron all sky survey (2MASS) and the deep near infrared survey of the southern sky (DENIS). We use Marquardt-Levenberg algorithm to determine the pulsation period and amplitude for each star and compare them with previous results of infrared and radio investigations.

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