H.E.S.S. discovery of VHE γ-rays from the quasar PKS 1510−089

Free Access

Table 1

H.E.S.S. data and analysis results.


Data set	MJD	⟨ Z ⟩^a	Live time	On^b	Off^c	γ	S^d
		(°)	(hours)	(counts)	(counts)	(counts)	[σ]

All data	54 910–54 950	22	15.8	823	5750	248	9.2
4 Tel.	54 910–54 918	23	6.7	447	3172	159	8.2

Notes.The first row gives all data taken in stereoscopic mode (i.e., 2 telescopes taking data). The second row gives the subset where all 4 telescopes were operational.

^(a)

The time-weighted average zenith angle.

^(b)

Signal + background events around the source position.

^(c)

Background events from off-source region.

^(d)

The statistical significance in standard deviations.

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.