Table 1
Optical photometry data sets used in this study.
ID | Date | Rh | Δ | α | λO | βO | Telescope | Total | Filter | Ref. |
---|---|---|---|---|---|---|---|---|---|---|
(UT) | (AU) | (AU) | (°) | (°) | (°) | (h) | ||||
1 | 05/09/1989 | 1.193 | 0.319 | 48.5 | 309.8 | −12.4 | MtL | 4.1 | V | 1 |
08/09/1989 | MtL | 1.9 | V | 1 | ||||||
2 | 07/10/1989 | 1.078 | 0.145 | 54.3 | 313.0 | −2.9 | S90 | 3.7 | V | 1 |
08/10/1989 | S90 | 3.7 | V | 1 | ||||||
3 | 06/10/1989 | 1.080 | 0.147 | 54.0 | 312.5 | −3.1 | Kh | 3.7 | V | 2 |
4 | 11/10/1989 | 1.071 | 0.143 | 56.0 | 315.2 | 0.7 | ESO1 | 1.9 | V | 3 |
12/10/1989 | ESO1 | 0.5 | V | 3 | ||||||
5 | 31/05/1995 | 2.474 | 1.568 | 13.2 | 243.9 | −6.4 | ESOD | 4.0 | R | 4 |
01/06/1995 | ESOD | 5.3 | R | 4 | ||||||
6 | 02/08/2008 | 1.215 | 0.574 | 56.3 | 33.5 | −12.9 | SAS | 1.7 | R | 5 |
7 | 05/08/2008 | 1.199 | 0.553 | 57.4 | 36.9 | −12.3 | SAS | 2.0 | R | 5 |
8 | 07/08/2008 | 1.189 | 0.539 | 58.2 | 39.2 | −11.8 | SAS | 3.1 | R | 5 |
9 | 04/04/2010 | 3.233 | 2.246 | 3.0 | 202.4 | −4.1 | NTT | 2.0 | R | |
10 | 06/04/2010 | 3.233 | 2.242 | 2.7 | 201.9 | −3.0 | NTT | 3.0 | R | |
11 | 28/06/2011 | 1.815 | 0.981 | 25.2 | 285.3 | −12.6 | TMO | 3.0 | R | |
12 | 29/06/2011 | 1.808 | 0.974 | 25.3 | 284.9 | −12.4 | TMO | 2.0 | R | |
13 | 28/08/2011 | 1.401 | 0.731 | 44.3 | 266.2 | −4.3 | NTT | 0.8 | R | |
14 | 31/08/2011 | 1.382 | 0.723 | 45.1 | 266.6 | −4.5 | TMO | 3.0 | R | |
15 | 01/09/2011 | 1.375 | 0.721 | 45.5 | 266.8 | −4.5 | TMO | 3.0 | R | |
16 | 01/09/2011 | 1.375 | 0.721 | 45.8 | 266.8 | −4.3 | NTT | 1.2 | R | |
17 | 19/10/2011 | 1.120 | 0.609 | 62.4 | 289.9 | −3.1 | TMO | 2.3 | R | |
18 | 20/10/2011 | 1.116 | 0.608 | 62.7 | 290.7 | −3.0 | TMO | 2.8 | R | |
19 | 03/11/2011 | 1.079 | 0.592 | 65.7 | 301.8 | −0.8 | NTT | 2.5 | R | |
20 | 02/12/2011 | 1.079 | 0.621 | 64.5 | 329.7 | 4.7 | NTT | 2.5 | R | |
21 | 03/12/2011 | 1.081 | 0.624 | 64.2 | 330.8 | 4.8 | NTT | 3.0 | R | |
22 | 02/01/2012 | 1.190 | 0.751 | 55.5 | 5.5 | 9.9 | ESO22 | 4.0 | V | |
23 | 07/01/2012 | 1.215 | 0.780 | 53.8 | 11.5 | 10.7 | ESO22 | 1.0 | V | |
24 | 13/01/2012 | 1.248 | 0.819 | 51.9 | 18.7 | 11.7 | ESO22 | 1.0 | V | |
25 | 21/01/2012 | 1.295 | 0.876 | 49.4 | 27.9 | 13.1 | ESO22 | 1.0 | V | |
26 | 24/02/2012 | 1.517 | 1.193 | 40.4 | 61.9 | 19.4 | NTT | 1.8 | R | |
27 | 26/02/2012 | 1.531 | 1.216 | 40.0 | 63.6 | 19.8 | NTT | 1.7 | R | |
28 | 05/02/2013 | 3.113 | 2.605 | 16.9 | 204.2 | −22.0 | NTT | 1.1 | V | |
06/02/2013 | NTT | 2.9 | V | |||||||
29 | 15/04/2013 | 3.208 | 2.229 | 5.2 | 190.4 | 7.5 | NTT | 2.0 | V | |
30 | 03/05/2013 | 3.221 | 2.357 | 11.2 | 186.3 | 15.9 | PAL | 3.0 | R |
Notes. For each light curve, labelled as ID 1–30, the date of the beginning of the observing night is given as well as the heliocentric (Rh) and geocentric (Δ) distances measured in AU, the solar phase angle (α), and the observed ecliptic longitude (λO), and latitude (βO) of the target. In some cases (light curves 1, 2, 4, 5, and 28) a single light curve has been composed of segments gathered over a few nights. The designation of instrument used is listed in the “Telescope” column. For each light curve segment a total time span of the light curve in hours, and imaging filter used are listed in columns “Total” and “Filter”, respectively. Where applicable, a reference to the already published work is given in the “Ref.” column. Telescope key (with MPC site code): (MtL, I52) NASA-UA Mt. Lemmon 60 in, Arizona, USA; (S90, 695), Steward Observatory 90 in Bok Telescope, Arizona, USA; (Kh, 121), Kharkiv Astronomical Observatory 0.7 m Telescope, Ukraine; (ESO1, 809), European Southern Observatory (ESO) 1 m Telescope, La Silla, Chile; (ESOD, 809), Danish 1.54 m Telescope, La Silla, Chile; (SAS, A12), Stazione Astronomica di Sozzago 0.4 m Telescope, Italy; (NTT, 809), European Southern Observatory 3.5 m New Technology Telescope, Chile; (TMO, 673), Table Mountain Observatory, California, USA; (ESO22, 809), ESO/Max Planck Institute 2.2 m Telescope, La Silla, Chile; (PAL, 675), Palomar Observatory 5 m Hale Telescope, California, USA.
References.(1) Wisniewski et al. (1997); (2) Velichko et al. (1989); (3) Hoffmann et al. (1993); (4) Erikson et al. (2000); (5) Beherend & Manzini (priv. comm.).
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