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Time resolved X-ray spectral analysis during optical dips and accretion bursts in stars with disks of NGC 2264 from Chandra/ACIS-I and CoRoT data

Date Issued
2017
Author(s)
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Venuti, L.
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Stauffer, J.
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Rebull, L.
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Cody, A.
Abstract
The simultaneous X-ray and optical observations with excellent time resolution of T Tauri stars with disks may provide insight on the accretion process and the properties of the inner disk. This was one of the motivations of the CSI 2264 campaign. In this talk I will show the results obtained from time resolved X-ray spectral analysis from deep Chandra/ACIS-I observations during the optical dips and accretion bursts isolated in the CoRoT light curves of the disk-bearing members of NGC 2264. These simultaneous Chandra-CoRoT data allow us to find evidence of increasing X-ray absorption during the optical dips, to study the composition of the material responsible for the variable extinction in these stars with disks, and to find evidence for soft X-ray emission observed during the optical bursts, and thus related to the accretion process.
Coverage
The X-ray Universe 2017
Start page
92
Conferenece
The X-ray Universe 2017
Conferenece place
Rome, Italy
Conferenece date
6-9 June, 2017
Uri
Url
Ads BibCode
2017xru..conf...92G
Rights
open.access
File(s)
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MGuarcello_t.pdf

Description
Talk in conference
Size

2.71 MB

Format

Adobe PDF

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