Open Access
Table 1
New candidate ghost PNe.
| Name | Approximate geometric Centre (J2000) | Diameter | t[O III] (h) | tHα (h) | Observing dates |
|---|---|---|---|---|---|
| JAM 1* | 18:56:25 30:42:06 | 14.4′ | − | − | − |
| JAM 2 | 00:41:31 20:09:15 | 41′×37′ | 131.0 | 47.8 | 2025 Aug 20–Dec 13 |
| JAM 3 | 19:19:37 73:39:52 | 7.1′×5.9′ | 49.3 | 31.0 | 2025 Oct 01–Nov 08 |
| JAM 4 | 07:58:20 66:46:07 | 9.6′×8.3′ | 48.5 | 19.5 | 2025 Nov 16–Dec 29 |
Notes. (*)Previously reported in Manuel et al. (2025). Total exposure times are given for each filter; all individual subframes had exposure times of 600 s.
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.