Hostname: page-component-76fb5796d-vfjqv Total loading time: 0 Render date: 2024-04-26T00:31:00.307Z Has data issue: false hasContentIssue false
  • English
  • Français

High-Resolution Spectroscopy of some Active Southern Stars

Published online by Cambridge University Press:  05 March 2013

Ian A. Waite ,
Brad D. Carter ,
Stephen C. Marsden  and
Matthew W. Mengel
Ian A. Waite*
Affiliation:
Centre for Astronomy, Solar Radiation and Climate (CASRAC), University of Southern Queensland, Toowoomba QLD 4350, Australia
Brad D. Carter
Affiliation:
Centre for Astronomy, Solar Radiation and Climate (CASRAC), University of Southern Queensland, Toowoomba QLD 4350, Australia
Stephen C. Marsden
Affiliation:
Centre for Astronomy, Solar Radiation and Climate (CASRAC), University of Southern Queensland, Toowoomba QLD 4350, Australia
Matthew W. Mengel
Affiliation:
Centre for Astronomy, Solar Radiation and Climate (CASRAC), University of Southern Queensland, Toowoomba QLD 4350, Australia
*
BCorresponding author. Email: waite@usq.edu.au
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

High-resolution échelle spectra of 42 nearby southern solar-type stars have been obtained, in a search for young, single, active, and rapidly rotating sun-like stars suitable for Doppler imaging and Zeeman Doppler imaging studies. As a result of this survey, 13 stars were determined to be youthful with ages less than 600 Myr (Hyades age) and eight of these were found to have projected rotational velocities in excess of 15 km s−1. In addition, five spectroscopic binary systems were identified. Of those stars observed for this survey, HD 106506 is the most outstanding target for mapping active regions. It is an apparently young and single star with rapid rotation (v sin i ∼ 80 km s−1), strong Hα chromospheric activity (log R′Hα ∼ −4.2), and deformation of the spectral line profiles indicating the presence of large starspots.

Keywords

stars: activitystars: spotsstars: magnetic fieldsstars: rotation
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 22 , Issue 1 , 2005 , pp. 29 - 35
Copyright
Copyright © Astronomical Society of Australia 2005

References

Bessell, M. S., Castelli, F., & Plez, B. 1998, A&A, 333, 231 Google Scholar
Collins, G. W. II, & Truax, R. J. 1995, ApJ, 439, 860 Google Scholar
Cutispoto, G., Pastori, L., Pasquini, L., de Medeiros, J. R., Tagliaferri, G., & Andersen, J. 2002, A&A, 384, 491 Google Scholar
Cutispoto, G., Tagliaferri, G., de Medeiros, J. R., Pastori, L., Pasquini, L., & Andersen, J. 2003, A&A, 397, 987 Google Scholar
Deeming, T. J. 1977, Ap&SS, 46, 13 Google Scholar
Donati, J.-F., Semel, M., & Praderie, F. 1989, A&A, 225, 467 Google Scholar
Donati, J.-F., Semel, M., & Rees, D. E. 1992, A&A, 265, 669 Google Scholar
Donati, J.-F., Semel, M., Carter, B. D., Rees, D. E., & Cameron, A. C. 1997, MNRAS, 291, 658 Google Scholar
Donati, J.-F., et al. 2003, MNRAS, 345, 1145 Google Scholar
Fekel, F. 1980, BAAS, 12, 500 Google Scholar
Gray, D. F. 1992, The Observation and Analysis of Stellar Photospheres, 2nd edn (Cambridge: Cambridge University Press), 392 Google Scholar
Henry, T. J., Soderblom, D. R., Donahue, R. A., & Baliunas, S. L. 1996, AJ, 111, 439 Google Scholar
Kurucz, R. L. 1993, CDROM #13 (ATLAS9 Atmospheric Models) and #18 ( atlas9 and synthe routines) spectral line databasesGoogle Scholar
Marsden, S. C. 2004, PhD Thesis (Toowomba: University of Southern Queensland)Google Scholar
Marsden, S. C., Waite, I. A., Carter, B. D., & Donati, J. -F. 2004, AN, 325, 246 Google Scholar
Mason, B. D., Henry, T. J., Hartkopf, W. I., Ten Brummelaar, T., & Soderblom, D. R. 1998, AJ, 116, 2975 Google Scholar
Montes, D., López-Santiago, J., Gálvez, M. C., Fernández-Figueroa, M. J., De Castro, E., & Cornide, M. 2001a, MNRAS, 328, 45 Google Scholar
Montes, D., López-Santiago, J., Fernández-Figueroa, M. J., & Gálvez, M. C. 2001b, A&A, 379, 976 Google Scholar
Montesinos, B., Thomas, J. H., Ventura, P., & Mazzitelli, I. 2001, MNRAS, 326, 877 Google Scholar
Noyes, R. W., Hartmann, L. W., Baliunas, S. L., Duncan, D. K., & Vaughan, A. H. 1984, ApJ, 279, 763 Google Scholar
Semel, M. 1989, A&A, 225, 456 Google Scholar
Semel, M., Donati, J.-F., & Rees, D. E. 1993, A&A, 278, 231 Google Scholar
Smith, M. A. 1976, ApJ, 208, 487 Google Scholar
Soderblom, D. R., King, J. R., & Henry, T. J. 1998, AJ, 116, 396 Google Scholar
Soderblom, D. R., Stauffer, J. R., Hudon, J. D., & Jones, B. F. 1993a, ApJSS, 85, 315 Google Scholar
Soderblom, D. R., Pilachowski, C. A., Fedele, S. B., & Jones, B. F. 1993b, AJ, 105, 2299 Google Scholar
Soderblom, D. R., Jones, B. F., Balachandran, S., Stauffer, J. R., Duncan, D. K., Fedele, S. B., & Hudon, J. D. 1993c, AJ, 106, 1059 Google Scholar
Stepień, K. 1994, A&A, 292, 191 Google Scholar
Strassmeier, K. G., & Rice, J. B. 1998, A&A, 330, 685 Google Scholar
Strassmeier, K. G., Washuettl, A., Granzer, Th., Scheck, M., & Weber, M. 2000, A&AS, 142, 275 Google Scholar
Thatcher, J. D., & Robinson, R. D. 1993, MNRAS, 262, 1 Google Scholar
Vogt, S. S., & Penrod, G. D. 1983, PASP, 95, 565 Google Scholar