Linking Mg II and [O II] spatial distribution to ionizing photon escape in confirmed LyC leakers and non-leakers

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Volume 687 (July 2024)

A&A, 687 (2024) A73

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Table 1.

Integrated properties of the galaxy sample.

ID	z	log₁₀ M_*	SFR	12 + log₁₀( $\frac{O}{H}$ $\frac{\mathrm{O}}{\mathrm{H}}$ )	$β_{obs}^{1550}$ $\beta^{1550}_{\mathrm{obs}}$	E(B − V)	EW(Hβ)	O₃₂	$r_{50}^{UV}$ $r_{50}^{\mathrm{UV}}$	$f_{esc}^{LyC}$ $f_{\mathrm{esc}}^{\mathrm{LyC}}$ (UV)
		[M_⊙]	[M_⊙ yr⁻¹]			[mag]	[Å]		[kpc]
J0047+0154	0.354	9.2 ± 0.4	23.1 ± 1.1	8.29 ± 0.04	−2.25	0.129	62 ± 1	4.5 ± 1.1	0.6 ± 0.2	0.013 $_{- 0.003}^{+ 0.021}$ $_{-0.003}^{+0.021}$
J0130−0014	0.316	8.63	3.7	7.97 ± 0.02	−1.52	0.202	200	7.4 ± 0.4	0.1	< 0.031
J0141−0304	0.382	9.99	36.0	8.06 ± 0.02	−0.83	0.319	220	5.6 ± 0.2	0.2	0.046 $_{- 0.006}^{+ 0.006}$ $_{-0.006}^{+0.006}$
J0804+4726 ^( * )	0.357	8.5 ± 0.4	1.6 ± 1.1	7.46 ± 0.06	−2.25	0.078	287 ± 27	34.6 ± 1.2	0.4 ± 0.1	0.584 $_{- 0.37}^{+ 0.416}$ $_{-0.37}^{+0.416}$
J0811+4141	0.333	8.4 ± 0.4	31.6 ± 1.1	7.94 ± 0.09	−1.75	0.163	151 ± 7	69.2 ± 1.2	0.7 ± 0.2	0.02 $_{- 0.005}^{+ 0.012}$ $_{-0.005}^{+0.012}$
J0834+4805	0.343	9.1 ± 0.4	9.7 ± 1.1	8.17 ± 0.03	−1.88	0.141	184 ± 5	4.5 ± 1.1	1.2 ± 0.2	< 0.016
J0844+5312	0.428	8.2	25.3	8.02 ± 0.02	−0.66	0.347	196	4.9 ± 0.2	0.2	0.031 $_{- 0.006}^{+ 0.006}$ $_{-0.006}^{+0.006}$
J0912+5050	0.328	8.8 ± 0.4	15.4 ± 1.0	8.18 ± 0.04	−2.00	0.119	91 ± 2	3.9 ± 1.1	1.2 ± 0.1	< 0.003
J0919+4906	0.405	7.5 ± 0.1	7.3 ± 1.1	7.91 ± 0.06	−1.78	0.194	223 ± 13	16.9 ± 1.1	0.4 ± 0.2	0.049 $_{- 0.027}^{+ 0.183}$ $_{-0.027}^{+0.183}$
J0940+5932	0.372	9.4 ± 0.4	35.7 ± 1.1	8.38 ± 0.07	−1.33	0.234	31 ± 1	1.8 ± 1.1	0.8 ± 0.2	< 0.002
J1014+5501	0.373	7.5	8.6	7.96 ± 0.02	−1.35	0.230	240	6.8 ± 0.4	–	< 0.014
J1033+6353 ^( * )	0.347	9.1 ± 0.4	15.8 ± 1.0	8.24 ± 0.04	−2.16	0.092	81 ± 2	4.6 ± 1.1	0.5 ± 0.1	0.305 $_{- 0.116}^{+ 0.154}$ $_{-0.116}^{+0.154}$
J1046+5827	0.397	7.9 ± 0.1	4.2 ± 1.1	7.95 ± 0.05	−2.54	0.028	148 ± 7	6.0 ± 1.1	–	< 0.01
J1137+3605	0.344	9.2	21.1	7.81 ± 0.01	−0.44	0.385	280	7.4 ± 0.3	0.2	0.031 $_{- 0.009}^{+ 0.008}$ $_{-0.009}^{+0.008}$
J1154+2443 ^( * )	0.369	8.2 ± 0.1	2.7 ± 1.1	7.71 ± 0.04	−2.44	0.046	165 ± 9	14. ± 1.1	0.6 ± 0.2	0.625 $_{- 0.241}^{+ 0.375}$ $_{-0.241}^{+0.375}$
J1157+5801	0.352	9.3	13.0	7.81 ± 0.01	−0.77	0.329	263	9.0 ± 0.5	0.2	< 0.017
J1243+4646 ^( * )	0.432	7.8 ± 0.1	5.0 ± 1.1	7.84 ± 0.05	−2.57	0.024	241 ± 11	18.4 ± 1.1	0.4 ± 0.2	0.889 $_{- 0.263}^{+ 0.111}$ $_{-0.263}^{+0.111}$
J1256+4509 ^( * )	0.353	8.8 ± 0.1	2.6 ± 1.0	7.91 ± 0.04	−2.44	0.045	203 ± 7	24.4 ± 1.1	0.3 ± 0.1	0.385 $_{- 0.093}^{+ 0.249}$ $_{-0.093}^{+0.249}$
J1352+5617	0.388	9.4	12.6	8.05 ± 0.03	−0.87	0.312	172	3.8 ± 0.2	–	0.045 $_{- 0.011}^{+ 0.011}$ $_{-0.011}^{+0.011}$
J1503+3644	0.356	8.2 ± 0.1	15.6 ± 1.1	8.38 ± 0.03	−1.76	0.161	180 ± 5	6.9 ± 1.1	0.4 ± 0.1	0.033 $_{- 0.006}^{+ 0.019}$ $_{-0.006}^{+0.019}$
J1517+3705	0.353	9.0 ± 0.4	39.8 ± 1.1	8.32 ± 0.03	−1.70	0.197	107 ± 3	3.2 ± 1.1	0.4 ± 0.1	0.041 $_{- 0.023}^{+ 0.08}$ $_{-0.023}^{+0.08}$
J1648+4957	0.382	8.5 ± 0.4	27.5 ± 1.1	8.25 ± 0.10	−1.53	0.164	72 ± 3	3.6 ± 1.2	1.4 ± 0.2	0.026 $_{- 0.014}^{+ 0.051}$ $_{-0.014}^{+0.051}$

Notes. Source identifier (ID), redshift (z), stellar mass (M_*), star formation rate (SFR), oxygen abundance (12 + log₁₀( $\frac{O}{H}$ $\frac{\mathrm{O}}{\mathrm{H}}$ )), Hβ equivalent width (EW(Hβ)), [O III]/[O II] ratio (O₃₂), NUV half light radius ( $r_{50}^{UV}$ $r_{50}^{\mathrm{UV}}$ ) and LyC escape fraction $f_{esc}^{LyC}$ $f_{\mathrm{esc}}^{\mathrm{LyC}}$ (UV) measurements are from Flury et al. (2022a) and Izotov et al. (2022). The UV slope at 1550 Å ( $β_{obs}^{1550}$ $\beta^{1550}_{\mathrm{obs}}$ ) and the dust extinction E(B − V) are measured in Saldana-Lopez et al. (2022) using SED fitting. ^( * )Objects identified as strong LyC leakers following the criteria of Flury et al. (2022b), i.e., > 5σ detection and $f_{esc}^{LyC} > 5 %$ $f_{\mathrm{esc}}^{\mathrm{LyC}} > 5\%$ .

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