Table 2
Observational circumstances of the asteroids analysed in this work.
| Asteroid | Telescope | Date and UT start | Texp (s) | Airmass | mV | α (°) | rh (au) | Solar analogues |
|---|---|---|---|---|---|---|---|---|
| 2275 | INT | 20/11/18 04:35 | 3x300 | 1.346 | 15.0 | 6.5 | 2.120 | SA93-101, Hyades64, SA98-978 |
| 2452 | NOT | 08/12/18 04:50 | 3x300 | 1.436 | 16.3 | 4.8 | 3.306 | SA98-978, SA102-1081 |
| 3188 | INT | 23/04/19 23:21 | 3x1200 | 1.904 | 16.8 | 5.0 | 2.504 | SA107-998, SA110-361 |
| 3331 | NOT | 08/12/18 05:28 | 3x600 | 1.112 | 17.7 | 26.2 | 2.222 | SA98-978, SA102-1081 |
| 4693 | INT | 23/04/19 21:18 | 3x1200 | 1.141 | 17.2 | 20.2 | 2.258 | SA107-998, SA110-361 |
| 5524 | NOT | 08/12/18 06:13 | 3x600 | 1.254 | 17.6 | 24.7 | 2.357 | SA98-978, SA102-1081 |
| 7223 | INT | 27/08/18 05:02 | 2x900 | 1.023 | 17.0 | 27.9 | 1.957 | SA112-1333, SA115-271, HD 5495 |
| HD 9761, HD 10861, HD 167221, HD 204433 | ||||||||
| 7302 | INT | 27/08/19 00:56 | 3x600 | 1.483 | 15.7 | 3.4 | 2.567 | SA112-1333, SA115-271 |
| 9007 | INT | 27/08/18 02:40 | 3x900 | 1.108 | 17.2 | 21.8 | 2.117 | SA112-1333, SA115-271, HD 5495 |
| HD 9761, HD 10861, HD 167221, HD 204433 | ||||||||
| 14390 | INT | 27/08/19 00:17 | 3x600 | 1.524 | 16.4 | 4.4 | 2.915 | SA112-1333, SA115-271 |
| 19983 | INT | 20/11/18 05:37 | 4x500 | 1.195 | 16.5 | 13.5 | 2.251 | SA93-101, Hyades64, SA98-978 |
| 29733 | INT | 23/05/19 01:54 | 3x1200 | 1.510 | 16.4 | 2.4 | 2.265 | SA107-998, SA112-1333, HD 89165 |
| 51742 | INT | 23/05/19 01:03 | 3x1200 | 1.305 | 17.2 | 4.9 | 2.030 | SA107-998, SA112-1333, HD 89165 |
| 90223 | INT | 23/05/19 03:08 | 2x1800 | 1.468 | 17.6 | 6.1 | 2.182 | SA107-998, SA112-1333, HD 89165 |
Notes. Columns are: telescope used for the observations, date and starting time of the first exposure (UT start), total exposure time (Texp), airmass, apparent magnitude (mV), phase angle (α), and heliocentric distance at the time of the observation (rh). The last column includes information on the solar analogue stars used to obtain the asteroid reflectance spectra.
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