X-ray study of high Galactic latitude supernova remnant DA 530 with <i>Suzaku</i>

Deniz C., Sezer A., BAKIŞ H., Raycheva N. C.

ADVANCES IN SPACE RESEARCH, vol.69, no.5, pp.2342-2348, 2022 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 69 Issue: 5
  • Publication Date: 2022
  • Doi Number: 10.1016/j.asr.2021.12.024
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Artic & Antarctic Regions, Communication Abstracts, Compendex, INSPEC, MEDLINE, Metadex, Civil Engineering Abstracts
  • Page Numbers: pp.2342-2348
  • Akdeniz University Affiliated: Yes


DA 530 is a high Galactic latitude supernova remnant (SNR) located in low density medium and extremely faint in X-ray. The previous Chandra observation of DA 530 revealed optically thin thermal plasma with overabundance of Si. The XMM-Newton observation detected a large extended source (XMM J205314.4+551528) in the radio bright southeast (SE) rim of DA 530. In this work, we analyze archival Suzaku data to examine the emission nature of the SE region of the SNR. We found that the spectrum is well described by a single thermal model with an electron temperature of kT(e) similar to 3.2 keV, or a combination of thermal model with kT(e) similar to 2.2 keV and nonthermal model with a photon index Gamma similar to 1.96. Our analysis shows that the pulsar wind nebula scenario cannot be ruled out. This result is consistent with the previous XMM-Newton study. Assuming the distance of 2.2 kpc to the SNR, we confirm that DA 530 is a young (similar to 3.2 kyr) SNR, expanding in low-density medium (similar to 0.23 cm(-3)) and has a low X-ray-emitting mass (similar to 1.29 M-circle dot). We also perform the XRISM and Athena simulations to investigate their capabilities of detecting thermal emission lines in the faint SNRs like DA 530. (C) 2021 Published by Elsevier B.V. on behalf of COSPAR.