The filament, the field, and how its young stars move
Herschel column density and the Planck magnetic field, with 4,354 members coloured and vectored by their peculiar motion relative to the local filament axis.
Motion vs filament
Gaia DR3 + Herschel · on-filament
all (median α)42°
0/I · flat36° · 38°
II · III42° · 42°
α: along → across
Planck B-field
density flow (gas along ridges)
arrows = peculiar motion (bulk removed)