Table 1.
Summary of spectroscopic observation of the lens systems for which redshifts and stellar velocity dispersions of the deflectors have been reported in this paper.
| Lens system | RA | Dec | Observation | Instrument | Total | Seeing | Slit | Slit | Slit |
|---|---|---|---|---|---|---|---|---|---|
| date | exposure | PA | width | length | |||||
| (J2000) | (J2000) | (UT) | (s) | (arcsec) | (degree) | (arcsec) | (arcsec) | ||
| J0147+4630 | 01:47:10.20 | +46:30:40.50 | Dec 1, 2018 | ESI | 7200 | 0.70 | 7 | 1.0 | 20 |
| B0445+123 | 04:48:23.25 | +12:27:51.10 | Dec 13, 2020 | LRIS | 12000 | 1.06 | 67 | 1.5 | 175 |
| B0631+519 | 06:35:11.70 | +51:56:48.50 | Nov 21, 2020 | LRIS | 6080 | 0.69 | 315 | 1.0 | 175 |
| J0659+1629 | 06:59:03.82 | +16:29:08.90 | Mar 3, 2019 | LRIS | 6800 | 1.33 | 65 | 1.0 | 175 |
| J0818−2613 | 08:18:28.24 | −26:13:24.80 | Apr 10, 2019 | ESI | 3600 | 0.71 | 90 | 1.0 | 20 |
| J0924+0219 | 09:24:55.82 | +02:19:24.80 | Dec 1, 2018 | ESI | 7200 | 0.70 | 10 | 1.0 | 20 |
| J1433+6007 | 14:33:22.80 | +60:07:15.60 | Apr 10, 2019 | ESI | 7200 | 0.71 | 88 | 1.0 | 20 |
| J1817+2729 | 18:17:30.68 | +27:29:43.50 | Apr 10, 2019 | ESI | 4800 | 0.71 | 315 | 1.0 | 20 |
Notes. Position angle (PA) of the slits was measured from North to East direction. The seeing conditions (FWHM) were estimated using the data from the corresponding nights.
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