An Optical-Infrared Jet in 3C 133*

David J. E. Floyd; Robert Laing; Marco Chiaberge; Eric Perlman; William Sparks; Duccio Macchetto; Juan Madrid; David Axon; Christopher P. O’Dea; Stefi Baum; Alice Quillen; George Miley; Alessandro Capetti

doi:10.1086/503027

An Optical-Infrared Jet in 3C 133^*

David J. E. Floyd¹, Robert Laing², Marco Chiaberge¹, Eric Perlman³, William Sparks¹, Duccio Macchetto¹, Juan Madrid¹, David Axon⁴, Christopher P. O'Dea⁴, Stefi Baum⁴, Alice Quillen⁵, George Miley⁶, and Alessandro Capetti⁷

© 2006. The American Astronomical Society. All rights reserved. Printed in U.S.A.
The Astrophysical Journal, Volume 643, Number 2 Citation David J. E. Floyd et al 2006 ApJ 643 660 DOI 10.1086/503027

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Author affiliations

¹ Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218

² European Southern Observatory, Karl-Schwarzschild-Strasse 2, D-85748 Garching bei München, Germany

³ Joint Center for Astrophysics, Physics Department, University of Maryland, Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250

⁴ Department of Physics, Rochester Institute of Technology, 85 Lomb Memorial Drive, Rochester, NY 14623

⁵ Department of Physics and Astronomy, University of Rochester, Bausch & Lomb Hall, P.O. Box 270171, 600 Wilson Boulevard, Rochester, NY 14627

⁶ Leiden Observatory, P.O. Box 9513, NL-2300 RA Leiden, Netherlands

⁷ INAF-Osservatorio Astronomico di Torino, Strada Osservatorio 20, 10025 Pino Torinese, Italy

Dates

Received 2005 November 14
Accepted 2006 January 31

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Abstract

We report the discovery of a new optical-IR synchrotron jet in the radio galaxy 3C 133 from our HST NICMOS snapshot survey. The jet and eastern hot spot are well resolved and visible at both optical and IR wavelengths. The IR jet follows the morphology of the inner part of the radio jet, with three distinct knots identified with features in the radio. The radio-IR SEDs of the knots are examined, along with those of two more distant hot spots at the eastern extreme of the radio feature. The detected emission appears to be synchrotron, with peaks in the NIR for all except one case, which exhibits a power-law spectrum throughout.

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Footnotes

*
Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS5-26555.

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