Improving the spatial resolution of XMM-Newton EPIC images by direct demodulation technique

¹ Department of Engineering Physics, Tsinghua University, Beijing 100084, PR China
² Laboratory for Particle Astrophysics, Institute of High Energy Physics, CAS, Beijing 100039, PR China
³ Physics Department and Center for Astrophysics, Tsinghua University, Beijing 100084, PR China
⁴ Physics Department, University of Alabama in Huntsville, Huntsville, AL 35899, USA
⁵ Space Science Laboratory, NASA Marshall Space Flight Center, SD50, Huntsville, AL 35812, USA

Corresponding author: Hua Feng, fenghua01@mails.tsinghua.edu.cn

Received: 18 November 2002
Accepted: 24 February 2003

Abstract

We have applied the direct demodulation technique to XMM-Newton EPIC images to achieve a higher spatial resolution; the restored images are compared with Chandra images. With the improved images we can extract spectra of fine structures in XMM-Newton data.