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(a)
(d)
-0.4
-0.4
-0.2
-0.2
0
0
0.2
0.2
0.4
0.4
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
rotation phase
rotation phase
(b)
(e)
V- I
0.2
0.2
B-V
V- I
0.15
0.15
B-V
0.1
0.1
V- R
V- R
0.05
0.05
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
rotation phase
rotation phase
(c)
phase ~ 0.2
(f)
1.2
1.2
1.1
1.1
phase = 0.2
1
1
0.9
0.9
4000
5000
6000
7000
8000
4000
5000
6000
7000
8000
wavelength (A)
wavelength (A)
Fig. 3. Lightcurve, relative magnitude, and wavelength dependence of relative
reflectance of (832) Karin in our two observations at VATT in September 2003 and
September 2004. The left three panels (a)-(c) are for the 2003 observation, and the right
three panels (d)-(f) are for the 2004 observation. (a) and (d): Lightcurve. Note that in
(a) we have included the data not only from VATT in September 2003, but the data
from other smaller telescopes with larger errorbars. (b) and (e): Relative magnitude of
B
-
V
,
V
-
I
,and
V
-
R
. (c) and (f): Wavelength dependence of relative reflectance in
B
-,
V
-,
R
-, and
I
-band normalized at the
V
-band wavelength, 5394.84 A.
