Euclid preparation - LXXIV. Euclidised observations of Hubble Frontier Fields and CLASH galaxy clusters

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Volume 702 (October 2025)

A&A, 702 (2025) A73

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Table 1.

Relevant quantities of the EWS.

Euclid wide survey (EWS)
Euclid band	t_exp [s]	m_lim	SN_lim	Aperture size	$N_{ap}^{px}$ $N_{\mathrm{ap}}^{\mathrm{px}}$
I_E	2280	24.5	15.9	$r = 0 \overset{″}{.} 65$ $r = 0{{\overset{\prime\prime}{.}}}65$	132.7
Y_E	448	24	6.5	$0 \overset{″}{.} 9 \times 0 \overset{″}{.} 9$ $0{{\overset{\prime\prime}{.}}}9 \times 0{{\overset{\prime\prime}{.}}}9$	9
J_E	448	24	7.8	$0 \overset{″}{.} 9 \times 0 \overset{″}{.} 9$ $0{{\overset{\prime\prime}{.}}}9 \times 0{{\overset{\prime\prime}{.}}}9$	9
H_E	448	24	7.2	$0 \overset{″}{.} 9 \times 0 \overset{″}{.} 9$ $0{{\overset{\prime\prime}{.}}}9 \times 0{{\overset{\prime\prime}{.}}}9$	9

Notes. The values are reported by Euclid Collaboration: Scaramella et al. (2022). The total exposure time for each Euclid band is denoted by t_exp, and SN_lim indicates the S/N of a source with a magnitude m_lim, measured within an aperture with a total area (in pixels) equal to $N_{ap}^{px}$ $N_{\mathrm{ap}}^{\mathrm{px}}$ . A circular aperture of radius 0 $\overset{″}{.}$ $\overset{\prime \prime }{.}$ 65 is used for I_E images, while square apertures of $0 \overset{″}{.} 9 \times 0 \overset{″}{.} 9$ $0{{\overset{\prime\prime}{.}}}9 \times 0{{\overset{\prime\prime}{.}}}9$ are used for Y_E, J_E, and H_E images.

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