1. Department of Physics, and Kavli Institute for Astrophysics and Space Research, M.I.T., Cambridge, MA 02139, USA
2. Centre for Space Research, Physics Department, North West University, Mahikeng 2745, South Africa
3. Jeremiah Horrocks Institute, University of Central Lancashire, Preston PR1 2HE, UK
4. Nicolaus Copernicus Astronomical Center, Polish Academy of Sciences, ul. Bartycka 18, 00-716, Warszawa, Poland
5. Instituto de Astrofísica de Canarias, E-38205 La Laguna, Tenerife, Spain
6. Departamento de Astrofísica, Universidad de La Laguna, E-38206 La Laguna, Tenerife, Spain
7. Department of Physics and Astronomy, Bishop’s University, 2600 College St., Sherbrooke, QC J1M 1Z7
8. Astronomical Institute, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
9. Division of Physics, Mathematics and Astronomy, California Institute of Technology, Pasadena, CA 91125, USA
10. Department of Astronomy, The University of Texas at Austin, 2515 Speedway, Stop C1400, Austin, TX 78712, USA
11. Department of Theoretical Physics and Astrophysics, Masaryk Univesity, Kotlářská 2, 60200 Brno, Czech Republic
12. ESO, Karl-Schwarzschild-str. 2, D-85748 Garching, Germany
13. Astronomical Institute, Czech Academy of Sciences, Fričova 298, 25165, Ondřejov, Czech Republic
14. Astrophysics Group, Keele University, Staffordshire, ST5 5BG, UK
15. Department of Astronomy & Astrophysics and Center for Exoplanets and Habitable Worlds, PSU, 525 Davey Lab, University Park, PA 16802, USA
16. Department of Physics and Astronomy, Vanderbilt University, Nashville, TN 37235, USA
17. Department of Physics, Fisk University, 1000 17th Avenue North, Nashville, TN 37208, USA
18. Çanakkale Onsekiz Mart University, Faculty of Sciences and Arts, Physics Department, 17100, Çanakkale, Turkey
19. Çanakkale Onsekiz Mart University, Astrophysics Research Center and Ulupõnar Observatory, TR-17100, Çanakkale, Turkey