TDCOSMO - XXI. Accurate stellar velocity dispersions of the SL2S lens sample and the fundamental plane of the lensing mass

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Volume 705 (January 2026)

A&A, 705 (2026) A13

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Table A.1.

Measured values for the SL2S sample.

Name	Instrument	S/N	σ_inst	${\bar{σ}}_{BIC_w}$ $\overline{\sigma}_{\text{BIC\_w}}$	$δ {\bar{σ}}_{BIC_w}$ $\delta \overline{\sigma}_{\text{BIC\_w}}$	${\bar{σ}}_{eq_w}$ $\overline{\sigma}_{\text{eq\_w}}$	$δ {\bar{σ}}_{eq_w}$ $\delta \overline{\sigma}_{\text{eq\_w}}$	$Δ_{B} {\bar{σ}}_{BIC_w, eq_w}$ $\Delta_B \overline{\sigma}_{\text{BIC\_w, eq\_w}}$	$\frac{δ σ_{inst}}{σ_{inst}} {(\frac{σ_{inst}}{σ})}^{2}$ $\frac{\delta \sigma_{\text{inst}}}{\sigma_{\text{inst}}} (\frac{\sigma_{\text{inst}}}{\sigma})^2$
		(Å⁻¹)	(km s⁻¹)	(km s⁻¹)	(km s⁻¹)	(km s⁻¹)	(km s⁻¹)	(km s⁻¹)
SL2SJ020833-071414	LRIS	14	64 ± 6	252	19	252	19	3	0.006
SL2SJ021206-075528	LRIS	23	52 ± 7	236	7	235	8	2	0.006
SL2SJ021247-055552	XSHOOTER	15	32 ± 2	256	10	254	10	4	0.001
SL2SJ021325-074355	LRIS	4	97 ± 8	344	24	352	24	13	0.007
SL2SJ021411-040502	XSHOOTER	23	32 ± 2	209	7	213	7	7	0.001
	LRIS	10	59 ± 6	250	15	254	15	7	0.006
SL2SJ021737-051329	LRIS	9	97 ± 8	253	20	258	19	8	0.012
	LRIS	8	68 ± 7	248	14	249	14	2	0.008
SL2SJ021801-080247	XSHOOTER	5	31 ± 2	254	28	255	28	3	0.001
SL2SJ021902-082934	LRIS	17	99 ± 4	285	7	284	7	7	0.005
SL2SJ022046-094927	XSHOOTER	8	32 ± 2	187	16	188	16	1	0.002
SL2SJ022056-063934	LRIS	18	97 ± 8	246	11	245	11	8	0.013
SL2SJ022346-053418	LRIS	15	64 ± 6	298	16	299	16	7	0.004
SL2SJ022357-065142	LRIS	20	59 ± 4	254	16	253	16	4	0.003
	LRIS	18	68 ± 7	258	20	270	21	19	0.007
SL2SJ022610-042011	LRIS	20	94 ± 6	310	13	311	13	6	0.006
	LRIS	13	93 ± 9	287	11	284	11	5	0.01
SL2SJ022648-040610	XSHOOTER	31	32 ± 2	337	9	343	8	8	0.001
SL2SJ022648-090421	LRIS	16	97 ± 8	326	8	323	8	12	0.007
	LRIS	7	68 ± 7	350	24	353	23	5	0.004
SL2SJ023251-040823	XSHOOTER	35	30 ± 1	208	5	208	5	1	0.001
	LRIS	16	93 ± 9	240	9	237	9	4	0.015
SL2SJ084847-035103	XSHOOTER	13	33 ± 2	198	8	198	8	2	0.002
SL2SJ084909-041226	DEIMOS	17	61 ± 6	338	14	340	14	5	0.003
SL2SJ084934-043352	LRIS	19	56 ± 2	221	11	221	11	0	0.003
SL2SJ084959-025142	XSHOOTER	65	33 ± 0	208	4	208	4	1	0.0
SL2SJ085019-034710	LRIS	20	58 ± 1	234	12	232	12	10	0.001
SL2SJ085540-014730	LRIS	18	56 ± 2	196	11	195	10	1	0.003
SL2SJ085559-040917	LRIS	27	51 ± 7	275	8	279	8	11	0.005
SL2SJ085826-014300	LRIS	8	64 ± 6	240	14	241	14	2	0.007
SL2SJ090106-025906	XSHOOTER	5	33 ± 2	224	25	219	25	27	0.001
SL2SJ090407-005952	XSHOOTER	19	33 ± 1	232	9	233	9	0	0.001
SL2SJ095921+020638	XSHOOTER	17	33 ± 1	200	8	199	8	0	0.001
SL2SJ135847+545913	LRIS	22	62 ± 9	256	9	256	9	1	0.008
SL2SJ135949+553550	LRIS	9	65 ± 6	221	14	222	15	1	0.008
	LRIS	7	68 ± 7	219	20	219	19	0	0.01
SL2SJ140123+555705	LRIS	9	85 ± 13	379	18	371	18	13	0.008
SL2SJ140156+554446	LRIS	28	64 ± 5	276	9	275	9	3	0.004
SL2SJ140454+520024	LRIS	31	63 ± 6	336	9	342	9	15	0.003
SL2SJ140546+524311	LRIS	19	61 ± 8	258	8	258	8	2	0.007
SL2SJ140614+520253	LRIS	8	85 ± 13	268	14	272	14	6	0.015
SL2SJ140650+522619	LRIS	12	65 ± 6	270	11	267	11	6	0.005
SL2SJ142031+525822	LRIS	19	70 ± 3	218	11	216	11	7	0.005
SL2SJ142059+563007	LRIS	20	63 ± 8	244	16	247	16	7	0.008
	LRIS	15	68 ± 7	250	10	250	10	0	0.008
SL2SJ220329+020518	LRIS	29	66 ± 2	203	10	208	10	10	0.002
SL2SJ220506+014703	XSHOOTER	31	32 ± 2	319	7	309	7	14	0.001
SL2SJ220629+005728	LRIS	4	97 ± 8	281	27	286	27	9	0.01
SL2SJ221326-000946	XSHOOTER	30	31 ± 2	194	12	193	11	1	0.002
	LRIS	23	72 ± 7	162	14	165	13	5	0.019
SL2SJ221407-180712	LRIS	5	97 ± 8	200	16	208	16	13	0.019
SL2SJ221852+014038	LRIS	19	64 ± 3	292	11	291	11	4	0.002
SL2SJ221929-001743	LRIS	26	55 ± 3	242	6	241	7	0	0.002
	LRIS	32	93 ± 9	239	11	242	11	6	0.015
SL2SJ222012+010606	DEIMOS	17	79 ± 1	248	15	248	14	1	0.002
SL2SJ222148+011542	DEIMOS	29	74 ± 5	277	10	283	10	8	0.005
SL2SJ222217+001202	LRIS	11	63 ± 4	198	20	196	20	3	0.006
	LRIS	8	68 ± 7	190	28	195	29	8	0.013

Notes. For each lens we list the instruments used, S/N per Å of the spectra, measured instrumental resolution, BIC weighted and equally weighted velocity dispersions, and associated statistical and systematic uncertainties. The BIC determined weights used for each galaxy are reported in Table 1. The systematic uncertainties are Bessel corrected. The last column shows the relative error associated with uncertainties in the measurement of instrumental resolution. For galaxies with two spectra of sufficient spectral resolution, we report both values. The one with the highest S/N is listed first, and it is our fiducial measurement.

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