Gaia-Sausage-Enceladus star formation history as revealed by detailed elemental abundances - An archival study using SAGA data

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Table 2

Selection schemes for Gaia-Sausage-Enceladus stars, including references. Also listed are the total number of member stars in our SAGA catalogue and the number of stars with each elemental abundance available.

Reference	Selection criteria	Unit	Selected number of stars
			Total	n[Eu/Fe]	n[Ba/Fe]	n[Mg/Fe]
“Sausage”	−100 < V_t < 100	km s⁻¹	299	299	286	250

Helmi et al. (2018)	−1500 < L_z < 150	kpc km s⁻¹	178	178	171	147
Helmi et al. (2018)	E_n > −1.8 × 10⁵	km² s⁻²	178	178	171	147

Myeong et al. (2019)	−0.07 < J_ϕ/J_tot < 0.07		42	42	41	32
Myeong et al. (2019)	(J_z − J_R)J_tot < −0.3		42	42	41	32

Naidu et al. (2020)	e >0.7		264	264	254	217

Horta et al. (2023)	−500 < L_z < 500	kpc km s⁻¹	86	86	83	70
Horta et al. (2023)	−1.6 × 10⁵ < En < −1.1 × 10⁵	km² s⁻²	86	86	83	70

Feuillet et al. (2021)	−500 ≤ L_z ≤ 500	kpc km s⁻¹	73	73	70	61
Feuillet et al. (2021)	$30 \leq \sqrt{J_{r}} \leq 55$ $30 \le \sqrt {{J_r}} \le 55$	(kpc km s⁻¹)^1/2	73	73	70	61

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