dc.contributor.author | Huenemoerder, David P. | |
dc.contributor.author | Gayley, K. G. | |
dc.contributor.author | Hamann, W.-R. | |
dc.contributor.author | Ignace, R. | |
dc.contributor.author | Nichols, Joy S. | |
dc.contributor.author | Oskinova, Lidia M. | |
dc.contributor.author | Pollock, A. M. T. | |
dc.contributor.author | Schulz, N. S. | |
dc.contributor.author | Shenar, T. | |
dc.date.accessioned | 2016-03-10T16:38:51Z | |
dc.date.available | 2016-03-10T16:38:51Z | |
dc.date.issued | 2015-12 | |
dc.date.submitted | 2015-08 | |
dc.identifier.issn | 1538-4357 | |
dc.identifier.issn | 0004-637X | |
dc.identifier.uri | http://hdl.handle.net/1721.1/101667 | |
dc.description.abstract | With a deep Chandra/HETGS exposure of WR 6, we have resolved emission lines whose profiles show that the X-rays originate from a uniformly expanding spherical wind of high X-ray-continuum optical depth. The presence of strong helium-like forbidden lines places the source of X-ray emission at tens to hundreds of stellar radii from the photosphere. Variability was present in X-rays and simultaneous optical photometry, but neither were correlated with the known period of the system or with each other. An enhanced abundance of sodium revealed nuclear-processed material, a quantity related to the evolutionary state of the star. The characterization of the extent and nature of the hot plasma in WR 6 will help to pave the way to a more fundamental theoretical understanding of the winds and evolution of massive stars. | en_US |
dc.description.sponsorship | United States. National Aeronautics and Space Administration (Chandra Award GO3-14003A) | en_US |
dc.description.sponsorship | United States. National Aeronautics and Space Administration (Chandra Award GO5-16009A) | en_US |
dc.language.iso | en_US | |
dc.publisher | IOP Publishing | en_US |
dc.relation.isversionof | http://dx.doi.org/10.1088/0004-637x/815/1/29 | en_US |
dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | en_US |
dc.source | IOP Publishing | en_US |
dc.title | PROBING WOLF–RAYET WINDS: CHANDRA/HETG X-RAY SPECTRA OF WR 6 | en_US |
dc.type | Article | en_US |
dc.identifier.citation | Huenemoerder, David P., K. G. Gayley, W.-R. Hamann, R. Ignace, J. S. Nichols, L. Oskinova, A. M. T. Pollock, N. S. Schulz, and T. Shenar. “PROBING WOLF–RAYET WINDS: CHANDRA/HETG X-RAY SPECTRA OF WR 6.” The Astrophysical Journal 815, no. 1 (December 3, 2015): 29. © 2015 The American Astronomical Society | en_US |
dc.contributor.department | MIT Kavli Institute for Astrophysics and Space Research | en_US |
dc.contributor.mitauthor | Huenemoerder, David P. | en_US |
dc.relation.journal | The Astrophysical Journal | en_US |
dc.eprint.version | Final published version | en_US |
dc.type.uri | http://purl.org/eprint/type/JournalArticle | en_US |
eprint.status | http://purl.org/eprint/status/PeerReviewed | en_US |
dspace.orderedauthors | Huenemoerder, David P.; Gayley, K. G.; Hamann, W.-R.; Ignace, R.; Nichols, J. S.; Oskinova, L.; Pollock, A. M. T.; Schulz, N. S.; Shenar, T. | en_US |
mit.license | PUBLISHER_POLICY | en_US |
mit.metadata.status | Complete | |