thermal dust emission
(glow of dust heated by stars or AGNs)
Thermal dust emission occurs in the Milky Way when dust
is heated by nearby stars, producing infrared radiation, of
interest in its own right as well as a problem for precision
observation of objects within or beyond the Milky Way
(for foreground subtraction), including
studies of the cosmic microwave background (CMB).
Other galaxies' such dust emission is also of interest:
it can serve as a sign of
star formation as the short-lived early stars heat
the galaxy's dust, causing substantial infrared emission. AGNs
also heat surrounding dust, as do supernovae.
(dust,EMR)
Further reading:
https://en.wikipedia.org/wiki/Cosmic_dust
http://ned.ipac.caltech.edu/level5/Sept04/Blain/Blain2_2.html
https://planck.ipac.caltech.edu/image/planck15-002b
https://sci.esa.int/web/planck/-/56323-planck-legacy-archive-foreground-component-maps
https://ui.adsabs.harvard.edu/abs/2013MNRAS.436.1896A/abstract
http://www-astro.physics.ox.ac.uk/~pfr/C1_TT/C1_Lecture7_ISM.pdf
https://www.astronomy.ohio-state.edu/pogge.1/Ast871/Notes/Dust.pdf
http://astrosun2.astro.cornell.edu/academics/courses/a671/lectures/A671_04%20(Dust).pdf
Index