Zobrazeno 1 - 10
of 152
pro vyhledávání: '"Waite, I A"'
Autor:
Heitzmann, A., Marsden, S. C., Petit, P., Mengel, M. W., Wright, D., Clerte, M., Millburn, I., Folsom, C. P., Addison, B. C., Wittenmyer, R. A., Waite, I. A.
Short-orbit gas giant planet formation/evolution mechanisms are still not well understood. One promising pathway to discriminate between mechanisms is to constrain the occurrence rate of these peculiar exoplanets at the earliest stage of the system's
Externí odkaz:
http://arxiv.org/abs/2105.13537
Autor:
See, V., Jardine, M., Vidotto, A. A., Donati, J. -F., Saikia, S. Boro, Fares, R., Folsom, C. P., Hebrard, E. M., Jeffers, S. V., Marsden, S. C., Morin, J., Petit, P., Waite, I. A., Collaboration, BCool
Publikováno v:
Notices of the Royal Astronomical Society, 2017, Volume 466, Issue 2, p.1542-1554
Magnetic activity and rotation are known to be intimately linked for low-mass stars. Understanding rotation evolution over the stellar lifetime is therefore an important goal within stellar astrophysics. In recent years, there has been increased focu
Externí odkaz:
http://arxiv.org/abs/1705.01835
Autor:
See, V., Jardine, M., Vidotto, A. A., Donati, J. -F., Saikia, S. Boro, Bouvier, J., Fares, R., Folsom, C. P., Gregory, S. G., Hussain, G., Jeffers, S. V., Marsden, S. C., Morin, J., Moutou, C., Nascimento Jr, J. D. do, Petit, P., Waite, I. A.
Zeeman Doppler imaging has successfully mapped the large-scale magnetic fields of stars over a large range of spectral types, rotation periods and ages. When observed over multiple epochs, some stars show polarity reversals in their global magnetic f
Externí odkaz:
http://arxiv.org/abs/1610.03737
Autor:
See, V., Jardine, M., Vidotto, A. A., Donati, J. -F., Folsom, C. P., Saikia, S. Boro, Bouvier, J., Fares, R., Gregory, S. G., Hussain, G., Jeffers, S. V., Marsden, S. C., Morin, J., Moutou, C., Nascimento Jr, J. D. do, Petit, P., Rosen, L., Waite, I. A.
Spectropolarimetric observations have been used to map stellar magnetic fields, many of which display strong bands of azimuthal fields that are toroidal. A number of explanations have been proposed to explain how such fields might be generated though
Externí odkaz:
http://arxiv.org/abs/1508.01403
Autor:
Nicholson, B. A., Mengel, M. W., Brookshaw, L., Vidotto, A. A., Carter, B. D., Marsden, S. C., Soutter, J., Waite, I. A., Horner, J.
The field of exoplanetary science is one of the most rapidly growing areas of astrophysical research. As more planets are discovered around other stars, new techniques have been developed that have allowed astronomers to begin to characterise them. T
Externí odkaz:
http://arxiv.org/abs/1503.05624
Autor:
Järvinen, S. P., Arlt, R., Hackman, T., Marsden, S. C., Küker, M., Ilyin, I. V., Berdyugina, S. V., Strassmeier, K. G., Waite, I. A.
Publikováno v:
A&A 574, A25 (2015)
The (Zeeman-)Doppler imaging studies of solar-type stars very often reveal large high-latitude spots. This also includes F stars that possess relatively shallow convection zones, indicating that the dynamo operating in these stars differs from the so
Externí odkaz:
http://arxiv.org/abs/1412.2892
Publikováno v:
In Physiotherapy September 2020 108:22-28
Autor:
Vidotto, A. A., Gregory, S. G., Jardine, M., Donati, J. -F., Petit, P., Morin, J., Folsom, C. P., Bouvier, J., Cameron, A. C., Hussain, G., Marsden, S., Waite, I. A., Fares, R., Jeffers, S., Nascimento Jr, J. D. do
We investigate how the observed large-scale surface magnetic fields of low-mass stars (~0.1 -- 2 Msun), reconstructed through Zeeman-Doppler imaging (ZDI), vary with age t, rotation and X-ray emission. Our sample consists of 104 magnetic maps of 73 s
Externí odkaz:
http://arxiv.org/abs/1404.2733
Autor:
Alecian, E., Wade, G. A., Catala, C., Grunhut, J. H., Landstreet, J. D., Bagnulo, S., Böhm, T., Folsom, C. P., Marsden, S., Waite, I.
This is the first in a series of papers in which we describe and report the analysis of a large survey of Herbig Ae/Be stars in circular spectropolarimetry. Using the ESPaDOnS and Narval high-resolution spectropolarimeters at the Canada-France-Hawaii
Externí odkaz:
http://arxiv.org/abs/1211.2907
Autor:
Henrichs, H. F., Kolenberg, K., Plaggenborg, B., Marsden, S. C., Waite, I. A., Landstreet, J. D., Wade, G. A., Grunhut, J. H., Oksala, M. E., Collaboration, the MiMeS
Magnetic early B-type stars are rare. To identify them, we use the strongest indirect indicator of a magnetic field in B stars, which is periodic variability of UV stellar wind lines occurring symmetric about the approximate rest wavelength. Probable
Externí odkaz:
http://arxiv.org/abs/1208.4627