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Title:
Timing analysis of the core of the Crab-like SNR G21.5-0.9
Authors:
La Palombara, N.; Mereghetti, S.
Affiliation:
AA(Istituto di Fisica Cosmica ``G. Occhialini'', via Bassini 15, 20133 Milano, Italy), AB(Istituto di Fisica Cosmica ``G. Occhialini'', via Bassini 15, 20133 Milano, Italy)
Publication:
Astronomy and Astrophysics, v.383, p.916-918 (2002) (A&A Homepage)
Publication Date:
03/2002
Origin:
A&A
A&A Keywords:
ISM: INDIVIDUAL: G21.5-0.9, SUPERNOVA REMNANTS, X-RAYS: ISM
DOI:
10.1051/0004-6361:20011839
Bibliographic Code:
2002A&A...383..916L

Abstract

The Crab-like SNR G21.5-0.9 was observed in the X-ray band (0.5-10 keV) by the XMM-Newton satellite for over 100 ks. The large effective area of the EPIC instrument has allowed us to perform a deep search for pulsations from the central core of . No pulsations were found with upper limits on the pulsed fraction between 7.5% and 40% (depending on frequency and energy range).
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