High-resolution spectroscopy and spectropolarimetry of some late F- / early G-type Sun-like stars as targets for Zeeman Doppler imaging

Waite, I.A., Marsden, S.C., carter, B.D., Alécian, E., Brown, C., Burton, D., and Hart, R. (2011) High-resolution spectroscopy and spectropolarimetry of some late F- / early G-type Sun-like stars as targets for Zeeman Doppler imaging. Publications of the Astronomical Society of Australia, 28 (4). pp. 323-337.

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Abstract

High-resolution spectroscopy and spectropolarimetry have been undertaken at the Anglo-Australian Telescope in order to identify suitable targets for magnetic studies of young Sun-like stars, for the proxy study of early solar evolution. This study involved the investigation of some variable late F- / early G-type Sun-like stars originally identified by the Hipparcos mission. Of the 38 stars observed for this study, HIP 31021, HIP 64732, HIP 73780 were found to be spectroscopic binary stars, while HIP 19072, HIP 67651 and HIP 75636 are also likely to be binaries and HIP 33111 could even be a triple system. Magnetic fields were detected on a number of the survey stars: HIP 21632, HIP 43720, HIP 48770, HIP 62517, HIP 71933, HIP 77144, HIP 89829, HIP 90899 and HIP 105388, making these stars good candidates for follow-up Zeeman Doppler imaging studies.

Item ID: 20758
Item Type: Article (Refereed Research - C1)
Keywords: stars: activity; stars: chromospheres; stars: magnetic fields; stars: spots and rotation
ISSN: 1448-6083
Date Deposited: 07 Mar 2012 00:10
FoR Codes: 02 PHYSICAL SCIENCES > 0201 Astronomical and Space Sciences > 020110 Stellar Astronomy and Planetary Systems @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100%
Citation Count from Web of Science Web of Science 2
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