SUMMARY OF PROPOSAL 71066

MR. KENSUKE IMANISHI
KENSUKE@CR.SCPHYS.KYOTO-U.AC.JP

KYOTO UNIVERSITY
KITASHIRAKAWA-OIWAKE-CHO SAKYO-KU
KYOTO
KYOTO JAPAN 606-8502
Tel: +81-75-753-3851 Fax: +81-75-753-3799
Medium: 2.5GB8MM
Subject: SUPERNOVA REMNANTS AND GALACTIC DIFFUSE EMISSION

SNR 0453-68.5 : WHAT HARD COMPONENT IS? DOES IT HAVE 1.48-S PULSATION?


ABSTRACT

We made timing analyses of about 30 sources in the LMC, using ASCA archival data. Almost all sources were proved to have no pulsation, but SNR 0453-68.5 showed weak evidence of 1.48sec pulsation. In addition, it was found that this SNR has hard component with photon index $\sim$2. These facts are uncommon to "normal" SNR. We made some hypotheses of what this hard component is; Crab-like pulsar or AXP or accretion-powered pulsar or SN1006-like SNR. But available data is statistically too poor to decide which hypothesis is true. So, we propose a long time re-observation of SNR 0453-68.5, to reveal feature of this hard component.

CO-INVESTIGATORS
CO-I NAME INSTITUTE COUNTRY
MASAHIRO TSUJIMOTOKYOTO UNIVERSITYJAPAN
JUN YOKOGAWAKYOTO UNIVERSITYJAPAN
KATSUJI KOYAMAKYOTO UNIVERSITYJAPAN

TARGETS

TARGET NAMEPRIRADECTIMETCOFFGISSIS CNTOBS
1)0453-68.5
C
 73.4208-68.4947
50 ks
N
Y
P
0.12000
1

TARGET 1

TO ACHIEVE TIME RESOLUTION OF ABOUT 1 MILLISECOND, PHA_BINS, RAWXBINS, RAWYBINS AND TIMEBINS OF GIS SHOULD BE 256, 64, 64 AND 64, RESPECTIVELY.