Spitzer Detection of Late-Time (>100 d) Infrared Emission from Warm Dust in 9 Type IIn Supernovae

Details Spitzer Detection of Late-Time (>100 d) Infrared Emission from Warm Dust in 9 Type IIn Supernovae Spitzer Detection of Late-Time (>100 d) Infrared Emission from Warm Dust in 9 Type IIn Supernovae

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2665....1f&link_type=abstract

The Astronomer's Telegram, #2665

Astronomy and Astrophysics

Astronomy

Infra-Red, Novae, Supernovae

Scientific paper

Warm Spitzer's Infrared Array Camera (IRAC) observed the locations of 59 Type IIn supernovae with distances <250 Mpc and discovery dates within the past ten years (PID 60122). Nine targets show evidence for late-time mid-infrared emission. The supernovae, coordinates, epochs of observation, and fluxes in IRAC bands 1 & 2 (3.6 & 4.5 microns, respectively) are listed below. The detections suggest the presence of circumstellar dust and we encourage multi-wavelength follow-up observations.

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