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

Open Access

Table 3.

Derived physical properties of the Sunburst LCE cluster.

Property	Value
z_LCE^(a)	2.37108 ± 2 × 10⁻⁵
E(B − V)_Hα/Hβ	0.11 ± 0.19
EW₀(Hα) [Å]	1040 ± 31
Dynamical mass [10⁶ M_⊙]	9.0 ± 2.7
T_e ([O III]) [10⁴ K]	1.4 ± 0.3
T_e ([N II]) [10⁴ K]	1.34 × 10⁴
n_e ([O II]) [cm⁻²]	$1400_{- 800}^{+ 1500}$ $1400^{+1500}_{-800}$
n_e ([S II]) [cm⁻²]	$1000_{- 400}^{+ 600}$ $1000^{+600}_{-400}$
P_ion/k_B [10⁷ K/cm³]	$3 . 6_{- 1.6}^{+ 2.6}$ $3.6^{+2.6}_{-1.6}$
12 + log(O/H) (O⁺+ O⁺⁺)	$7 . 96_{- 0.21}^{+ 0.33}$ $7.96^{+0.33}_{-0.21}$
log(N/O)	−0.74 ± 0.09

^(a)

Notes.Based on the full set of emission lines in G140H.

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.