Table 2
Near-infrared photometric and polarimetric color indices of 252P/LINEAR from the IRSF data.
| Median UT | Epoch(1) | J− H(2) (mag) |  (mag) |
 (% μm-1) |
 (% μm-1) |
|---|---|---|---|---|---|
| 2016+ | number | ||||
| 03/04 20:16 | 1 | 0.68 ± 0.26 | − | 0.13 ± 1.68 | − |
| 03/09 20:27 | 2 | 0.69 ± 0.20 | 0.20 ± 0.19 | −4.90 ± 1.34 | 0.03 ± 1.38 |
| 03/11 18:12 | 3 | 0.56 ± 0.16 | 0.16 ± 0.22 | −0.75 ± 0.72 | −0.32 ± 2.38 |
| 03/12 21:19 | 4 | −0.07 ± 0.16 | −0.38 ± 0.16 | −2.13 ± 1.69 | −7.10 ± 1.60 |
| 03/13 19:43 | 5 | −0.10 ± 0.16 | −0.07 ± 0.15 | −2.15 ± 1.54 | −0.58 ± 1.51 |
| 03/14 18:49 | 6 | 0.45 ± 0.20 | 0.14 ± 0.22 | −3.33 ± 1.42 | 0.27 ± 1.39 |
| 03/15 19:56 | 7 | 0.47 ± 0.19 | 0.12 ± 0.21 | −2.05 ± 1.54 | −0.70 ± 1.49 |
Notes. (1) Number of the epoch described in Fig. 7; (2)magnitude difference measured between the J and H bands; (3) magnitude difference measured between the H and KS bands; (4) polarimetric color of the cometary dust over the J–H bands; and (5)polarimetric color of the cometary dust over the H–KS bands.
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