Deep XMM-Newton observation reveals extraplanar emission in NGC 5746

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Volume 709 (May 2026)

A&A, 709 (2026) A7

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Table 5.

X-ray fluxes.

Region	Model	F_{0.3 − 2.0 keV}	F_{0.3 − 0.7 keV}	F_{0.7 − 1.2 keV}	F_{1.2 − 4 keV}
Disk	APEC	$4 . 6_{- 2.6}^{+ 2.1} \cdot 10^{- 15}$ $Mathematical equation: $ 4.6^{+2.1}_{-2.6}\cdot10^{-15} $$	$2 . 2_{- 1.3}^{+ 1.1} \cdot 10^{- 15}$ $Mathematical equation: $ 2.2^{+1.1}_{-1.3}\cdot10^{-15} $$	$2 . 2_{- 1.3}^{+ 1.0} \cdot 10^{- 15}$ $Mathematical equation: $ 2.2^{+1.0}_{-1.3}\cdot10^{-15} $$	$2 . 4_{- 1.4}^{+ 1.1} \cdot 10^{- 16}$ $Mathematical equation: $ 2.4^{+1.1}_{-1.4}\cdot10^{-16} $$
	POWERLAW	$3 . 2_{- 0.3}^{+ 0.3} \cdot 10^{- 14}$ $Mathematical equation: $ 3.2^{+0.3}_{-0.3}\cdot10^{-14} $$	$1 . 1_{- 0.1}^{+ 0.1} \cdot 10^{- 14}$ $Mathematical equation: $ 1.1^{+0.1}_{-0.1}\cdot10^{-14} $$	$9 . 6_{- 0.7}^{+ 0.7} \cdot 10^{- 15}$ $Mathematical equation: $ 9.6^{+0.7}_{-0.7}\cdot10^{-15} $$	$3 . 1_{- 0.3}^{+ 0.3} \cdot 10^{- 14}$ $Mathematical equation: $ 3.1^{+0.3}_{-0.3}\cdot10^{-14} $$
	Total	$3 . 7_{- 0.4}^{+ 0.4} \cdot 10^{- 14}$ $Mathematical equation: $ 3.7^{+0.4}_{-0.4}\cdot10^{-14} $$	$1 . 4_{- 0.2}^{+ 0.2} \cdot 10^{- 14}$ $Mathematical equation: $ 1.4^{+0.2}_{-0.2}\cdot10^{-14} $$	$1 . 2_{- 0.2}^{+ 0.2} \cdot 10^{- 14}$ $Mathematical equation: $ 1.2^{+0.2}_{-0.2}\cdot10^{-14} $$	$3 . 1_{- 0.3}^{+ 0.3} \cdot 10^{- 14}$ $Mathematical equation: $ 3.1^{+0.3}_{-0.3}\cdot10^{-14} $$
Halo	APEC	$8 . 7_{- 1.7}^{+ 1.7} \cdot 10^{- 14}$ $Mathematical equation: $ 8.7^{+1.7}_{-1.7}\cdot10^{-14} $$	$3 . 6_{- 0.7}^{+ 0.7} \cdot 10^{- 14}$ $Mathematical equation: $ 3.6^{+0.7}_{-0.7}\cdot10^{-14} $$	$4 . 0_{- 0.8}^{+ 0.8} \cdot 10^{- 14}$ $Mathematical equation: $ 4.0^{+0.8}_{-0.8}\cdot10^{-14} $$	$1 . 3_{- 0.3}^{+ 0.3} \cdot 10^{- 14}$ $Mathematical equation: $ 1.3^{+0.3}_{-0.3}\cdot10^{-14} $$
East	APEC	$2 . 5_{- 0.9}^{+ 1.1} \cdot 10^{- 14}$ $Mathematical equation: $ 2.5^{+1.1}_{-0.9}\cdot10^{-14} $$	$9 . 8_{- 3.5}^{+ 4.1} \cdot 10^{- 15}$ $Mathematical equation: $ 9.8^{+4.1}_{-3.5}\cdot10^{-15} $$	$1 . 1_{- 0.4}^{+ 0.5} \cdot 10^{- 14}$ $Mathematical equation: $ 1.1^{+0.5}_{-0.4}\cdot10^{-14} $$	$5 . 2_{- 0.2}^{+ 0.3} \cdot 10^{- 15}$ $Mathematical equation: $ 5.2^{+0.3}_{-0.2}\cdot10^{-15} $$
West	APEC	$2 . 7_{- 0.6}^{+ 0.7} \cdot 10^{- 14}$ $Mathematical equation: $ 2.7^{+0.7}_{-0.6}\cdot10^{-14} $$	$1 . 1_{- 2.1}^{+ 2.7} \cdot 10^{- 14}$ $Mathematical equation: $ 1.1^{+2.7}_{-2.1}\cdot10^{-14} $$	$1 . 2_{- 0.3}^{+ 0.4} \cdot 10^{- 14}$ $Mathematical equation: $ 1.2^{+0.4}_{-0.3}\cdot10^{-14} $$	$5 . 6_{- 1.1}^{+ 1.4} \cdot 10^{- 15}$ $Mathematical equation: $ 5.6^{+1.4}_{-1.1}\cdot10^{-15} $$

Notes. Absorption-corrected X-ray fluxes in erg s⁻¹ cm⁻² for the disk, the halo out to r = 5 ′, and the two regions of enhanced emission (East and West). Point sources have been masked out.

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