A search for solar-like oscillations in α Cen A

被引:0
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作者
Bedding, TR [1 ]
Kjeldsen, H
Frandsen, S
Dall, TH
机构
[1] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia
[2] Aarhus Univ, Danmark Grundforskningsfond, Teoretisk Astrofysik Ctr, DK-8000 Aarhus C, Denmark
[3] Aarhus Univ, Inst Fysik & Astronomi, DK-8000 Aarhus C, Denmark
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P1 [天文学];
学科分类号
0704 ;
摘要
We have been using a new method to search for solar-like oscillations that involves measuring temperature changes via their effect on the equivalent widths of the Balmer hydrogen lines. We observed alpha Cen A over six nights in 1995 with the 3.9-metre Anglo-Australian Telescope and the European Southern Observatory's 3.6-metre telescope in Chile. Oscillations were not detected, with an upper limit only slightly higher than the expected signal.
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页码:285 / 290
页数:6
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