Table D.2
Spitzer/IRAC “Map PC” 3.6 μm and 4.5 μm observations of 162173 Ryugu as part of the Spitzer Proposal ID #90145.
| AORKEY | AOR label | Start time | End time | Duration [hms] |
|
|
||||
| 48355840 | IRACPC_1999_JU3_lc1a | 2013-02-10 20:07:16 | 2013-02-11 01:03:33 | 04h56m17s |
| 48355584 | IRACPC_1999_JU3_lc1b | 2013-02-11 01:10:47 | 2013-02-11 04:03:00 | 02h52m13s |
| 48355328 | IRACPC_1999_JU3_lc2a | 2013-05-02 11:47:00 | 2013-05-02 16:55:06 | 05h08m06s |
| 48355072 | IRACPC_1999_JU3_lc2b | 2013-05-02 17:03:38 | 2013-05-02 19:52:28 | 02h48m50s |
|
|
||||
| 47925760 | IRACPC_1999_JU3-p1c | 2013-01-20 02:01:04 | 2013-01-20 02:10:37 | 00h09m33s |
| 47926016 | IRACPC_1999_JU3-p1d | 2013-01-27 23:00:59 | 2013-01-27 23:10:34 | 00h09m35s |
| 47926272 | IRACPC_1999_JU3-p1e | 2013-01-31 01:09:29 | 2013-01-31 01:19:04 | 00h09m35s |
| 47926528 | IRACPC_1999_JU3-p1f | 2013-02-09 02:24:19 | 2013-02-09 02:33:58 | 00h09m39s |
| 47926784 | IRACPC_1999_JU3-p2a | 2013-04-28 19:24:40 | 2013-04-28 19:34:43 | 00h10m03s |
| 47927040 | IRACPC_1999_JU3-p2b | 2013-05-05 02:37:37 | 2013-05-05 02:47:40 | 00h10m03s |
| 47927296 | IRACPC_1999_JU3-p2c | 2013-05-09 23:41:59 | 2013-05-09 23:51:58 | 00h09m59s |
| 47927552 | IRACPC_1999_JU3-p2d | 2013-05-15 13:42:43 | 2013-05-15 13:52:45 | 00h10m02s |
| 47927808 | IRACPC_1999_JU3-p2e | 2013-05-23 21:16:01 | 2013-05-23 21:26:18 | 00h10m17s |
| 47928064 | IRACPC_1999_JU3-p2f | 2013-05-29 09:45:27 | 2013-05-29 09:55:53 | 00h10m26s |
| Julian date | r | Δ | α | Monochromatic FD and abs. error [mJy] | ||||
| Label | mid-time | [AU] | [AU] | [°] | FD3.55 | err3.55 | FD4.49 | err4.49 |
|
|
||||||||
| ⟨lc1⟩ | 2 456 334.50201 | 1.01214 | 0.22957 | –83.6 | 1.30 | 0.07 | 7.21 | 0.39 |
| ⟨lc2⟩ | 2 456 415.15792 | 1.00661 | 0.11129 | –85.0 | 4.65 | 0.25 | 26.00 | 1.40 |
|
|
||||||||
| p1c | 2 456 312.58738 | 1.06780 | 0.24935 | –71.6 | 1.21 | 0.07 | 7.01 | 0.39 |
| p1d | 2 456 320.46234 | 1.04627 | 0.24442 | –76.0 | 1.12 | 0.07 | 6.42 | 0.35 |
| p1e | 2 456 323.55157 | 1.03824 | 0.24181 | –77.7 | 1.19 | 0.07 | 6.58 | 0.36 |
| p1f | 2 456 332.60356 | 1.01637 | 0.23202 | –82.6 | 1.33 | 0.08 | 7.20 | 0.40 |
| p2a | 2 456 411.31228 | 0.99889 | 0.11258 | –88.9 | 3.94 | 0.22 | 22.06 | 1.20 |
| p2b | 2 456 417.61294 | 1.01186 | 0.11093 | –82.3 | 5.38 | 0.30 | 29.00 | 1.57 |
| p2c | 2 456 422.49095 | 1.02296 | 0.11138 | –76.6 | 5.01 | 0.28 | 28.16 | 1.52 |
| p2d | 2 456 428.07480 | 1.03666 | 0.11392 | –69.9 | 6.42 | 0.35 | 35.48 | 1.92 |
| p2e | 2 456 436.38969 | 1.05869 | 0.12205 | –60.2 | 6.95 | 0.38 | 35.25 | 1.91 |
| p2f | 2 456 441.91017 | 1.07419 | 0.13051 | –54.5 | 6.10 | 0.34 | 30.23 | 1.63 |
Notes. Above: observation start and end times (UTC) of all AORs. The AOR keys & labels are related to observations in the Spitzer Heritage Archive. Below: fluxes in the two photometric channels, averaged per epoch. Ephemeris information (r, Δ, α) is given for observation midtime, with positive phase angles α before and negative after opposition. The latter is calculated as the average of the midtimes of the analysed data frames in both channels not corrected for light travel time. The colour-corrected monochromatic flux densities FD at reference wavelengths λc (3.55 μm and 4.49 μm) are given. The flux uncertainty includes the ~5% calibration uncertainty. ⟨lc1⟩ and ⟨lc2⟩ are lightcurve-averaged flux densities.
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