X-ray Microcalorimeter Observations of High-mass X-ray Binaries with the Resolve Instrument Onboard XRISM
email : pradhanp@erau.edu
email : tsujimoto.masahiro@jaxa.jp
Résumé
La mission XRISM (X-ray Imaging and Spectrometer Mission) a été mise en orbite avec succès en septembre 2023. Resolve, l’un des instruments scientifiques à bord de XRISM, héberge un spectromètre à rayons X utilisant la technologie de la microcalorimétrie. Il possède une très haute résolution spectrale, un débit important, une large bande passante, un faible bruit de fond ainsi qu’une très bonne précision temporelle. Ces propriétés nous permettent d’obtenir de nouvelles informations, en particulier pour ce qui concerne les binaires X à forte masse (HMXB). Nous décrivons ci-dessous les caractéristiques uniques de Resolve et présentons les premiers résultats de deux HMXBs.
Abstract
The X-ray Imaging and Spectrometer Mission (XRISM) was put into orbit successfully in September 2023. Resolve, one of the scientific instruments onboard XRISM, hosts an X-ray spectrometer based on X-ray microcalorimetery technology. It excels in high spectral resolution, a large throughput, a large bandpass, low background, and good timing accuracy. These properties are suited to bring new insights especially in high-mass X-ray binaries (HMXB). We describe these unique features of Resolve and present initial highlights of two HMXB sources.
This work is distributed under the Creative Commons CC BY 4.0 Licence.
Paper presented at the 41st Liège International Astrophysical Colloquium on “The eventful life of massive star multiples,” University of Liège (Belgium), 15–19 July 2024.
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