The Gaia-ESO Survey DR5.1 and Gaia DR3 GSP-Spec: a comparative analysis

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Volume 690 (October 2024)

A&A, 690 (2024) A276

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Table 1

Mean, median and standard deviation of $Δ_{norm} v_{rad} = (v_{rad,Gaia} - v_{rad,GES}) / \sqrt{σ {[v_{rad,Gaia}]}^{2} + σ {[v_{r a d, G E S}]}^{2}}$ $\[\Delta_{\text {norm }} v_{\text {rad }}=\left(v_{\text {rad,Gaia }}-v_{\text {rad,GES }}\right) / \sqrt{\sigma\left[v_{\text {rad,Gaia }}\right]^2+\sigma\left[v_{\mathrm{rad}, \mathrm{GES}}\right]^2}\]$ and υ_rad = υ_rad,Gaia − υ_rad,GES when only one GES-setup combination is used for the comparison.

GES-setup combination	#	$(v_{r a d, G a i a} - v_{r a d, G E S}) / \sqrt{σ {[v_{r a d, G a i a}]}^{2} + σ {[v_{r a d, G E S}]}^{2}}$ $\[\left(v_{\mathrm{rad}, \mathrm{Gaia}}-v_{\mathrm{rad}, \mathrm{GES}}\right) / \sqrt{\sigma\left[v_{\mathrm{rad}, \mathrm{Gaia}}\right]^2+\sigma\left[v_{\mathrm{rad}, \mathrm{GES}}\right]^2}\]$			υ_rad,Gaia − υ_rad,GES
		mean	median	s.d.	mean	median	s.d.
CASU\|HR15N	5630	−0.02	−0.02	1.74	0.19	−0.04	8.96
CASU\|HR10	3936	−0.01	−0.01	1.21	0.22	−0.02	5.67
Arcetri\|U580	3800	0.00	0.02	1.39	0.03	0.03	6.30
CASU\|HR9B	605	−0.37	−0.20	3.49	−0.03	−0.31	29.63
CASU\|HR21	417	−0.09	−0.07	2.37	−0.85	−0.26	11.44
WG13\|combination	166	−0.20	0.00	1.00	−2.83	0.02	16.57
Arcetri\|U520	76	−0.18	0.17	3.67	−0.51	0.26	22.29
CASU\|HR3	50	0.03	−0.03	1.55	−2.48	0.00	15.69
CASU\|HR14A	12	0.56	−0.04	3.35	5.83	0.60	25.56

Notes. The first column gives the name of the setup, the second column gives the number of corresponding objects in the selection, the third to eighth columns give the aforementioned statistics.

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