Discovery of very high energy γ-ray emission from the BL Lacertae object PKS 0301−243 with H.E.S.S.

Free Access

Table 2

Parameters deduced from the spectral analysis of Swift/XRT data.

Observation date	Observation ID	Exposure time (s)	F_2−10 keV^a (10^-12 erg cm^-2 s^-1)	Γ	χ²/d.o.f.


24/03/2009	00038098001	1883		2.68 ± 0.32	1.00/3
24/03/2009	00038368001	4912		2.52 ± 0.14	9.72/15
30/12/2009^b	00038098002	912	–	–	–
07/06/2010	00038098003	4715		2.30 ± 0.05	113.4/72
30/11/2011	00038098004	3751		2.57 ± 0.11	21.7/23
03/12/2011	00038098005	3938		2.49 ± 0.09	17.5/25
04/02/2012	00038098006	5022		2.40 ± 0.07	40.0/41
All observations		25133		2.44 ± 0.03	81.8/82

Notes.

^(a)

Not corrected for Galactic absorption.

^(b)

Not enough data to allow a spectral fit.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.