Transcript ppt

Recovery of SN 1970G with the
Jansky Very Large Array
Jason Dittmann
Harvard University
Alicia Soderberg
Laura Chomiuk
Raffaella Margutti
Dan Milisavljevic
Miller Goss
Fifty-One Ergs 05/17/2013
Raleigh, North Carolina
Things are hard at “Late” times
Days - Weeks
- Years
Seconds
Centuries
Years
Hubble Heritage
SN 2011fe
Image: B. J. Fulton
Las Cumbres Observatory Global Telescope Network
NRAO
Chandra
EVLA
Chandra
Chomiuk et al. (2012)
Margutti et al. (2012)
Nothing!
SN 1970G
Hubble Heritage
SN 1970G – The First Radio Supernova
Gottesman et al. (1972)
Redacted
Dittmann et al. (in prep)
Fν∝ t-0.4
-0.7
FRedacted
∝
t
ν
Dittmann et al. (in prep)
Milisavljevic et al. (2012)
Redacted
(Patnaude et al. 2011)
Dittmann et al. (in prep)
↓ Radio
β = -0.5
→ Optical
↑ X-ray
Redacted
Dittmann et al. (in prep)
Redacted
More Frequencies
More Photons
“Generic” Pulsar Wind Nebula (Gaensler & Slane 2006)
β ≈ -0.3
Γ≈2
Going Forward
Redacted
Thanks!
Questions?