Free Access
Table 2
Spectral indices for WISE J0720, defined by Kirkpatrick et al. (1999), and measured on our SALT spectra (the grating setup is given in brackets).
| Index | Value | Sp. type | Index | Value | Sp. type |
|
|
|||||
| Rb-a | 1.15 (GR900) | M7–L0 | Cs-b | 1.16 (GR1800) | L2–L4 |
| Rb-b | 1.25 (GR1800) | L0–L2 | Cs-b | 1.12 (GR900) | L0–L3 |
| Rb-b | 1.15 (GR900) | M7–L0 | TiO-a | 1.82 (GR900) | M9-L0 |
| Na-a | 1.20 (GR1800) | M9–L2 | TiO-b | 1.82 (GR1800) | M9-L1 |
| Na-a | 1.19 (GR900) | M9–L2 | TiO-b | 1.85 (GR900) | M9-L1 |
| Na-b | 1.35 (GR1800) | M7–L0 | CrH-b | 1.04 (GR1800) | M8-L2 |
| Na-b | 1.33 (GR900) | M7–L0 | CrH-b | 1.01 (GR900) | M8-L2 |
| Cs-a | 1.18 (GR1800) | L1–L3 | FeH-a | 1.12 (GR1800) | M7-9 |
| Cs-a | 1.20 (GR900) | L1–L3 | FeH-a | 1.12 (GR900) | M7-9 |
Notes. The derived spectral types from the spectral sequences in Kirkpatrick et al. (1999; Figs. 8–10) are listed.
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.