國立虎尾科技大學 |

Differential rotation in sun-like stars from surface variability and asteroseismology

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Differential rotation in sun-like stars from surface variability and asteroseismology/ by Martin Bo Nielsen.
作者:	Nielsen, Martin Bo.
出版者:	Cham :Springer International Publishing : : 2017.,
面頁冊數:	xvi, 101 p. :ill., digital ; : 24 cm.;
Contained By:	Springer eBooks
標題:	Stars - Rotation. -
電子資源:	http://dx.doi.org/10.1007/978-3-319-50989-1
ISBN:	9783319509891

Differential rotation in sun-like stars from surface variability and asteroseismology
Nielsen, Martin Bo.

Differential rotation in sun-like stars from surface variability and asteroseismology[electronic resource] /by Martin Bo Nielsen. - Cham :Springer International Publishing :2017. - xvi, 101 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Rotation Periods of 12 000 Main-sequence Kepler Stars -- Rotational Splitting as a Function of Mode Frequency for Six Sunlike Stars -- Constraining Differential Rotation of Sun-like Stars from Asteroseismic and Starspot Rotation Periods -- Discussion: Constraining Interior Rotational Shear -- Appendices.

In his PhD dissertation Martin Bo Nielsen performs observational studies of rotation in stars like the Sun. The interior rotation in stars is thought to be one of the driving mechanisms of stellar magnetic activity, but until now this mechanism was unconstrained by observational data. NASA's Kepler space mission provides high-precision observations of Sun-like stars which allow rotation to be inferred using two independent methods: asteroseismology measures the rotation of the stellar interior, while the brightness variability caused by features on the stellar surface trace the rotation of its outermost layers. By combining these two techniques Martin Bo Nielsen was able to place upper limits on the variation of rotation with depth in five Sun-like stars. These results suggest that the interior of other Sun-like stars also rotate in much the same way as our own Sun.

ISBN: 9783319509891

Standard No.: 10.1007/978-3-319-50989-1doiSubjects--Topical Terms:

896781
Stars
--Rotation.

LC Class. No.: QB810

Dewey Class. No.: 523.8

Differential rotation in sun-like stars from surface variability and asteroseismology
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