High-sensitivity search for OH emission from Mira variables

Details High-sensitivity search for OH emission from Mira variables High-sensitivity search for OH emission from Mira variables

Aug 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83..955b&link_type=abstract

Astronomical Journal, vol. 83, Aug. 1978, p. 955-959.

Astronomy and Astrophysics

Astronomy

10

Binary Stars, Hydroxyl Emission, M Stars, Mira Variables, Radio Astronomy, Stellar Spectrophotometry, Variable Stars, B Stars, Light Curve, Microwave Emission, Radio Sources (Astronomy), Stellar Radiation, Stellar Spectra, Tables (Data)

Scientific paper

A high-sensitivity search for 18 cm OH emission from Mira variables has resulted in the detection of five previously unknown OH Mira variables (R Tau, RT Aql, RX Tau, FX Mon, and AW Tau). R Tau, RT Aql, and RX Tau are known microwave H2O sources, and RT Aql is also a known SiO source. RX Tau has a visual-light-curve shape slightly different than that of previously discovered OH Miras. The OH properties of AW Tau are very anomalous for the period determined from its visual light curve, but are consistent with a much shorter period for this star. It is possible that the period of AW Tau has decreased by several hundred days in the last 40 years.

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