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Dust Formation in Core-Collapse Supernovae Geoffrey C. Clayton Louisiana State University. Collaborators: Jen Andrews (UMass)
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Dust Formation in Core-Collapse Supernovae Geoffrey C. Clayton Louisiana State University
Collaborators: • Jen Andrews (UMass) • Joe Gallagher (UCinn) • Mike Barlow (UCL) • Roger Wesson (ESO) • Jo Fabbri (UCL) • Mikako Matsuura (UCL) • Margaret Meixner (STScI) • Nino Panagia (STScI) • MassakiOtsuka(IAA) • Barbara Ercolano(USM) • Ben Sugerman (Goucher) • Doug Welch (McMaster)
Dust Production SNe II (solid), Low mass stars (dotted), SNe Ia (dashed), destruction rate by astration (thick solid) (Dwek 1998)
SN 2003gd Mdust = 0.02 Mo
SN 2007od SN 2007it
SN 2007od SN 2007it
SN 1987A 0.4 – 0.7 M☉ Matsuura et al. 2011
<-- M = 8 - 40 M☉ M = 1.4 - 25 M☉-->
Mass loss = 10 M☉ Mgas/Mdust=200 Mgas = 9.95 M☉ Mdust = 0.05 M☉ So, Mdust = 0.4 – 0.7 M☉ Mgas = 80 to 140 M☉
Things to think about • Is there accretion of dust in the ISM? • When do AGB stars become important dust makers? • Why does SN 1987A always have to be different? • Do SNe with significant CSM make more dust? • Do SNe destroy more dust than they make?