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[vsnet-campaign-xray 228] (fwd) ATEL #151: new transient source IGR J18539+0727

Date: Tue, 22 Apr 2003 01:17:24 +0900
To: vsnet-campaign-xray@ooruri.kusastro.kyoto-u.ac.jp
From: Makoto Uemura <uemura@kusastro.kyoto-u.ac.jp>
Subject: [vsnet-campaign-xray 228] (fwd) ATEL #151: new transient source IGR J18539+0727
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According to ATEL #151, A. Lutovinov et al. report the discovery with
the INTEGRAL observatory of a new transient source IGR J18539+0727.
It seems that the source has a rather hard spectrum and its detected
flux is ~20 mCrab in both, 15-40 keV and 40-100 keV energy bands on
April 17-18.  Observations are encouraged to seek out possible optical
and infrered counterpart.

Regards,
Makoto Uemura

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