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Table 1
Summary of Q J 0643−5041 exposures containing H2 and HD absorption features at zabs≃ 2.6586, using the blue arm of the Ultraviolet and Visual Echelle Spectrograph at ESO-VLT used for analysis in the present work.
| # | Program ID | Date | Grating central | DIMM Seeing | Airmass | Exposure time [s] | Wavelength |
| wavelength [nm] | [arcsec]a | calibration | |||||
|
|
|||||||
| 1 | 073.A-0071(A) | 17-09-2004 | 390 | 2.3 → 1.89 | 1.522 → 1.229 | 5500 | ... |
| 2 | 073.A-0071(A) | 18-09-2004 | 390 | 1.91 → 1.9 | 1.561 → 1.229 | 6000 | ... |
| 3 | 073.A-0071(A) | 19-09-2004 | 390 | 0.87 → 1.0 | 1.545 → 1.222 | 6000 | ... |
| 4 | 074.A-0201(A) | 09-10-2004 | 390 | ... → 0.6 | 1.316 → 1.143 | 5800 | ... |
| 5 | 074.A-0201(A) | 10-10-2004 | 390 | ... → 0.37 | 1.291 → 1.139 | 5500 | ... |
| 6 | 080.A-0288(A) | 11-12-2007 | 390 | 0.87 → ... | 1.165 → 1.279 | 3725 | ThAr attached |
| 7 | 080.A-0288(A) | 03-01-2008 | 390 | 1.04 → 0.91 | 1.182 → 1.122 | 3725 | ThAr attached |
| 8 | 080.A-0288(A) | 04-01-2008 | 390 | 0.82 → 1.77 | 1.233 → 1.143 | 3725 | ThAr attached |
| 9 | 080.A-0288(A) | 04-01-2008 | 390 | 1.3 → 1.66 | 1.140 → 1.113 | 3725 | ThAr attached |
| 10 | 080.A-0288(A) | 04-01-2008 | 390 | 1.66 → 1.69 | 1.113 → 1.118 | 1389 | ThAr attached |
| 11 | 080.A-0288(A) | 06-01-2008 | 390 | 1.24 → ... | 1.128 → 1.113 | 2104 | ThAr attached |
| 12 | 080.A-0288(A) | 06-01-2008 | 390 | 0.89 → 1.24 | 1.173 → 1.295 | 3725 | ThAr attached |
| 13 | 080.A-0288(A) | 06-01-2008 | 390 | 1.1 → 1.08 | 1.311 → 1.545 | 3725 | ThAr attached |
| 14 | 080.A-0288(A) | 07-01-2008 | 390 | 1.07 → 0.84 | 1.215 → 1.135 | 3725 | ThAr attached |
| 15 | 080.A-0288(A) | 13-01-2008 | 390 | 0.69 → 1.0 | 1.347 → 1.201 | 3725 | ThAr attached |
| 16 | 080.A-0288(A) | 16-01-2008 | 390 | 0.6 → 0.85 | 1.121 → 1.178 | 3725 | ThAr attached |
| 17 | 080.A-0288(A) | 06-02-2008 | 390 | ... → ... | 1.113 → 1.136 | 3725 | ThAr attached |
| 18 | 080.A-0288(A) | 07-02-2008 | 390 | 0.8 → 0.9 | 1.125 → 1.190 | 3725 | ThAr attached |
| 19 | 080.A-0288(A) | 09-02-2008 | 390 | ... → 0.8 | 1.113 → 1.145 | 3725 | ThAr attached |
| 20 | 080.A-0288(A) | 10-02-2008 | 390 | 1.24 → 0.81 | 1.215 → 1.374 | 3725 | ThAr attached |
| 21 | 072.A-0442(A) | 02-11-2003 | 437 | 2.16 → 1.65 | 1.251 → 1.153 | 3600 | ... |
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