SIMBAD references

2005ApJ...628..986G - Astrophys. J., 628, 986-1005 (2005/August-1)

Chandra HETGS multiphase spectroscopy of the young magnetic O star θ1 Orionis C.

GAGNE M., OKSALA M.E., COHEN D.H., TONNESEN S.K., UD-DOULA A., OWOCKI S.P., TOWNSEND R.H.D. and MacFARLANE J.J.

Abstract (from CDS):

We report on four Chandra grating observations of the oblique magnetic rotator θ1 Ori C (O5.5 V), covering a wide range of viewing angles with respect to the star's 1060 G dipole magnetic field. We employ line-width and centroid analyses to study the dynamics of the X-ray-emitting plasma in the circumstellar environment, as well as line-ratio diagnostics to constrain the spatial location, and global spectral modeling to constrain the temperature distribution and abundances of the very hot plasma. We investigate these diagnostics as a function of viewing angle and analyze them in conjunction with new MHD simulations of the magnetically channeled wind shock mechanism on θ1 Ori C. This model fits all the data surprisingly well, predicting the temperature, luminosity, and occultation of the X-ray-emitting plasma with rotation phase.

Abstract Copyright:

Journal keyword(s): Stars: Early-Type - Stars: Individual: Henry Draper Number: HD 37022 - Stars: Magnetic Fields - Stars: Mass Loss - Stars: Rotation - Stars: Winds, Outflows - X-Rays: Stars

Errata: erratum vol.634, p.712 (2005)

Simbad objects: 12

goto Full paper

goto View the references in ADS

To bookmark this query, right click on this link: simbad:2005ApJ...628..986G and select 'bookmark this link' or equivalent in the popup menu