The SRG/eROSITA All-Sky Survey: Large-scale view of the Centaurus cluster

Home

All issues

Volume 694 (February 2025)

A&A, 694 (2025) A168

Full HTML

Open Access

Table 2.

Cosmic X-ray background information for the spectral analysis of the Centaurus cluster.

Component	Parameter	Value
`apec₁` (LHB)	k_BT⁽⁴⁵⁶⁾ [keV]	$0 . 115_{- 0.002}^{+ 0.002}$ $0.115_{-0.002}^{+0.002}$
	Z [Z_⊙]	1
	z	0
	norm^{( * ,456)}	$(1 . 42_{- 0.05}^{+ 0.09}) \times 10^{- 6}$ $(1.42_{-0.05}^{+0.09})\times10^{-6}$

`apec₂` (MWH)	k_BT⁽⁴⁵⁶⁾ [keV]	$0 . 207_{- 0.002}^{+ 0.003}$ $0.207_{-0.002}^{+0.003}$
	Z [Z_⊙]	1
	z	0
	norm^{( * ,456)}	(1.71 ± 0.05)×10⁻⁶

`apec₃`	k_BT⁽¹⁾ [keV]	$0 . 20_{- 0.0001}^{+ 0}$ $0.20_{-0.0001}^{+0}$
(eROSITA Bubbles)	Z [Z_⊙]	1
	z	0
	norm^{( * ,456)}	< 2.80 × 10⁻⁸
`powerlaw`	Γ	1.46
(unresolved sources)	norm^{( ‡ ,456)}	$(6 . 66_{- 0.14}^{+ 0.13}) \times 10^{- 7}$ $(6.66_{-0.14}^{+0.13})\times10^{-7}$

Notes. ⁽⁴⁵⁶⁾from combined box 4N, 5N, 6N, 4S, 5S, and 6S, ⁽¹⁾ from combined box 1N and 1S. ^( † )[10²² atoms cm⁻²], ^( * )[cm⁻⁵/arcmin²], ^( ‡ )[photons/keV/cm²/s/arcmin² at 1 keV].

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.