Fine Scale Structure in Cometary Dust Tails - Figure 5.9, 5.10 -Temporal map sequence of C/2011 L4 dust tail as seen by HI-1B with coarse-scale difference enhancement
mediaposted on 2021-12-07, 15:13 authored by Oliver Price, Geraint JonesGeraint Jones
A sequence of 235 temporal maps, with coarse-scale difference enhancement (i.e. using temporal difference images with a narrow dynamic range). This shows the main dust tail of C/2011 L4 from 2013 March 11 00:00 UT until March 18 02:00 UT. Dust is displayed from the region of 0.3 < βr < 3 with ejection times from 2013 March 05 00:00 UT through to March 11 00:00 UT.
Highlighted are two dust points which the analysis later focuses on. Point P is highlighted in purple with βr = 1.7 and te = 2013-03-08 04:50 UT. Point G is highlighted in green with βr = 0.8 and te = 2013-03-05 12:00 UT.
This research was supported by a UK Science and Technology Facilities Council (STFC) PhD studentship.
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