Open Access
Table 4
Comparison of the C/2017 K2 colors with those of active LPCs.
| Object | B-V | V-R | R-I | B-R |
|---|---|---|---|---|
| C/2017 K2 | 0.76 ± 0.06 | 0.42 ± 0.04 | 0.40 ± 0.05 | 1.18 ± 0.06 |
| DNCs | 0.76 ± 0.05 | 0.49 ± 0.05 | 0.42 ± 0.02 | 1.26 ± 0.07 |
| RCs | 0.80 ± 0.05 | 0.48 ± 0.05 | 0.37 ± 0.09 | 1.28±0.05 |
| Active LPCs | 0.78 ± 0.02 | 0.47 ± 0.02 | 0.42 ± 0.03 | 1.24 ± 0.02 |
| Sun | 0.64 ± 0.02 | 0.35 ± 0.01 | 0.33 ± 0.01 | 0.99 ± 0.02 |
Notes. The mean colors of C/2017 K2 are compared to the mean colors of DNC and to those of returning comets from the sample of 25 LPC from Jewitt (2015). The Sun color is from Holmberg et al. (2006).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.