| Grant number: | 14/26908-1 |
| Support Opportunities: | Scholarships in Brazil - Master |
| Start date: | April 01, 2015 |
| End date: | July 31, 2017 |
| Field of knowledge: | Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics |
| Agreement: | Coordination of Improvement of Higher Education Personnel (CAPES) |
| Principal Investigator: | Jorge Luis Melendez Moreno |
| Grantee: | Leonardo Augusto Gonçalves dos Santos |
| Host Institution: | Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Associated research grant: | 12/24392-2 - High precision spectroscopy: impact in the study of planets, stars, the galaxy and cosmology, AP.TEM |
| Associated scholarship(s): | 16/01684-9 - Revealing the orbits of solar twin binaries with enhanced rotation, BE.EP.MS |
Abstract This project intends to determine how common is the Sun in its rotation period, by comparing the projected rotational velocity of solar twins to the solar value. We will take into account the average value of the inclination angle I for random orientations (sin i = p/4), and we will also consider possible variations between rotational velocity and age in our sample stars. Our goal will be accomplished by analyzing the line profiles of a large sample of solar twins (88 stars) observed at high spectral resolution by the MIKE spectrograph at the 6.5 m Magellan telescope, as part of our large program to search for planets around solar twins with the HARPS spectrograph at ESO. (AU) | |
| News published in Agência FAPESP Newsletter about the scholarship: | |
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