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Table 1

Vesta spectrophotometry from Osiris.

UTstart Inst. F λc exp. (s) FAbs(α) p

10:56:26 NAC 15 269.30 48.52 0.021  ±  0.002 0.10
10:57:26 NAC 16 360.00 1.67 0.042  ±  0.002 0.20
10:57:39 NAC 28 743.70 0.26 0.080  ±  0.001 0.38
10:57:50 NAC 27 701.20 0.74 0.078  ±  0.002 0.37
10:58:03 NAC 24 480.70 0.23 0.066  ±  0.002 0.32
10:58:14 NAC 23 535.70 0.24 0.071  ±  0.001 0.34
10:58:25 NAC 22 649.20 0.15 0.076  ±  0.001 0.36
10:58:37 NAC 41 882.10 0.70 0.057  ±  0.001 0.27
10:58:49 NAC 51 805.30 0.79 0.072  ±  0.001 0.34
10:59:01 NAC 61 931.90 1.96 0.055  ±  0.001 0.26
10:59:14 NAC 71 989.30 4.34 0.061  ±  0.002 0.29
10:59:30 NAC 58 790.50 10.00 0.075  ±  0.001 0.36
11:00:29 WAC 18 612.60 14.70 0.073  ±  0.002 0.35
11:00:52 WAC 17 631.60 57.77 0.075  ±  0.003 0.36
11:01:57 WAC 16 590.70 43.57 0.073  ±  0.003 0.35
11:02:48 WAC 15 572.10 16.76 0.072  ±  0.002 0.35
11:03:13 WAC 14 388.40 270.88 0.054  ±  0.006 0.26
11:07:51 WAC 13 375.60 119.46 0.048  ±  0.004 0.23
11:09:58 WAC 12 629.80 1.00 0.076  ±  0.001 0.36
11:10:07 WAC 21 537.20 2.74 0.072  ±  0.001 0.34
11:10:18 WAC 71 325.80 441.86 0.029  ±  0.006 0.14

Notes. The observations were acquired on 1 May 2010, at a phase angle of 52.45−52.47° and at a Rosetta-Vesta distance of 0.284857285−0.284809694 AU. F is the filter combination, λc the filter central wavelength, exp. the exposure time, FAbs the absolute reflectance at α = 52.4°, and p the geometric albedo estimated assuming the same phase function for all the wavelengths.

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