The Sunburst Arc with JWST - I. Detection of Wolf-Rayet stars injecting nitrogen into a low-metallicity, z = 2.37 proto-globular cluster leaking ionizing photons

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Table 1.

Best-fit kinematic properties of the three components.

Comp.	z	Δv ^(a)	FWHM ^(a)
Narrow ^(b)	2.371062 ± 6 × 10⁻⁶	—	91 ± 7
Medium	2.37093 ± 2 × 10⁻⁵	−11.7 ± 1.9	277 ± 6
Broad	2.3709 ± 2 × 10⁻⁴	−14.4 ± 17.8	708 ± 22

Notes.

^(a)

Given in km s⁻¹ relative to the narrow component.

^(b)

The best-fit narrow component FWHM from [O III] in G140H is 83 ± 4.9 km s⁻¹.

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