CALIBRATING EXTINCTION-FREE STAR FORMATION RATE DIAGNOSTICS WITH 33 GHz FREE-FREE EMISSION IN NGC 6946

J. Murphy, E.; J. Condon, J.; Schinnerer, Eva; C. Kennicutt, Robert; Calzetti, Daniela; Armus, L.; Hélou, G.; L. Turner, Jean; Aniano, G.; Beirão, P.; D. Bolatto, Alberto; R. Brandl, Bernhard; V. Croxall, K.; A. Dale, Daniel; L. Donovan Meyer, J.; T. Draine, B.; W. Engelbracht, C.; K. Hunt, L.; Hao, Cai-Na; Koda, Jin; Roussel, H.; Skibba, R.; D. Smith, J.

doi:10.1088/0004-637x/737/2/67

Public

CALIBRATING EXTINCTION-FREE STAR FORMATION RATE DIAGNOSTICS WITH 33 GHz FREE-FREE EMISSION IN NGC 6946

Shared by NobleBlocks on Aug 4, 2011 • 12:00 AM UTC

Authors:

E. J. Murphy

J. J. Condon

Eva Schinnerer

Abstract

Using free-free emission measured in the Ka band (26-40 GHz) for 10 star-forming regions in the nearby galaxy NGC 6946, including its starbursting nucleus, we compare a number of star formation rate (SFR) diagnostics that are typically considered to be unaffected by interstellar extinction. These di...

Subject

Physics

Astrophysics

Extinction (optical mineralogy)

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