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

被引:7
作者
Feng, H [1 ]
Chen, Y
Zhang, SN
Lu, FJ
Li, TP
机构
[1] Tsing Hua Univ, Dept Engn Phys, Beijing 100084, Peoples R China
[2] CAS, Inst High Energy Phys, Lab Particle Astrophys, Beijing 100039, Peoples R China
[3] Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China
[4] Tsing Hua Univ, Ctr Astrophys, Beijing 100084, Peoples R China
[5] Univ Alabama, Dept Phys, Huntsville, AL 35899 USA
[6] NASA, George C Marshall Space Flight Ctr, Space Sci Lab, Huntsville, AL 35812 USA
关键词
techniques : high angular resolution; techniques : image processing;
D O I
10.1051/0004-6361:20030324
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
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.
引用
收藏
页码:1151 / 1155
页数:5
相关论文
共 14 条
[1]  
[Anonymous], EXP ASTRON
[2]   XMM-Newton observations of M 87 and its X-ray halo [J].
Böhringer, H ;
Belsole, E ;
Kennea, J ;
Matsushita, K ;
Molendi, S ;
Worrall, DM ;
Mushotzky, RF ;
Ehle, M ;
Guainazzi, M ;
Sakelliou, I ;
Stewart, G ;
Vestrand, WT ;
Dos Santos, S .
ASTRONOMY & ASTROPHYSICS, 2001, 365 (01) :L181-L187
[3]  
Chen Y, 1997, ASTR SOC P, V125, P178
[4]   Direct demodulation technique for rotating modulation collimator imaging [J].
Chen, Y ;
Li, TP ;
Wu, M .
ASTRONOMY & ASTROPHYSICS SUPPLEMENT SERIES, 1998, 128 (02) :363-368
[5]  
Chen Yong, 2000, Acta Astronomica Sinica, V41, P214
[6]  
Hogbom J. A., 1974, Astronomy and Astrophysics Supplement Series, V15, P417
[7]  
LI TP, 1994, AP SS, V215, P21
[8]  
LI TP, 1997, SPACE SCI CHINA
[9]  
Lu FJ, 1996, ASTRON ASTROPHYS SUP, V115, P395
[10]   Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet [J].
Lu, FJ ;
Aschenbach, B ;
Song, LM .
ASTRONOMY & ASTROPHYSICS, 2001, 370 (02) :570-575