Preliminary results from 5 years' spectral monitoring of Antares
Fuente:
arXiv
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Preprint |
| Published: |
2025
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866916571642855424 |
|---|---|
| author | Oostra, Benjamin Batista, Maria Gracia |
| author_facet | Oostra, Benjamin Batista, Maria Gracia |
| contents | We present preliminary results of 5 years' monitoring of the radial velocity of Alpha Sco, performed at the Astronomical Observatory of the Universidad de Los Andes in Bogotá, Colombia. The data include 580 spectra acquired on 153 nights between March 2015 and March 2020. The aim of this study is to probe the dynamics of the star's atmosphere on all possible time-scales through the variations in observed radial velocity. At present, our findings are consistent with previous results from other observers, and the combination of older and new data make it possible to assess the several periodicities. A detailed study of these results, including the convective motions in the photosphere, is still in progress. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_10646 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Preliminary results from 5 years' spectral monitoring of Antares Oostra, Benjamin Batista, Maria Gracia Solar and Stellar Astrophysics We present preliminary results of 5 years' monitoring of the radial velocity of Alpha Sco, performed at the Astronomical Observatory of the Universidad de Los Andes in Bogotá, Colombia. The data include 580 spectra acquired on 153 nights between March 2015 and March 2020. The aim of this study is to probe the dynamics of the star's atmosphere on all possible time-scales through the variations in observed radial velocity. At present, our findings are consistent with previous results from other observers, and the combination of older and new data make it possible to assess the several periodicities. A detailed study of these results, including the convective motions in the photosphere, is still in progress. |
| title | Preliminary results from 5 years' spectral monitoring of Antares |
| topic | Solar and Stellar Astrophysics |
| url | https://arxiv.org/abs/2501.10646 |