• DOI:10.1051/0004-6361:20031677
• Corpus ID: 7743965

NIR Observations of the QSO 3C 48 Host Galaxy

@article{Zuther2003NIROO,
  title={NIR Observations of the QSO 3C 48 Host Galaxy},
  author={Jens Zuther and Andreas Eckart and Julia Scharwaechter and Melanie Krips and Chris H. Greene 5. Physikalisches Institut and Universitaet zu Koeln and Koeln and H Germany and Iram and France.},
  journal={Astronomy and Astrophysics},
  year={2003},
  volume={414},
  pages={919-926},
  url={https://api.semanticscholar.org/CorpusID:7743965}
}

• J. Zuther, A. Eckart, +7 authors France.
• Published 3 November 2003
• Physics
• Astronomy and Astrophysics

In this paper we present new near infrared (NIR) imaging and spectroscopic data of the quasar 3C 48 and its host galaxy. The data were obtained with the ESO-VLT camera ISAAC. We report the first detection of the apparent second nucleus 3C 48A about 1 '' NE of the bright QSO nucleus in the NIR bands J, H, and K s. 3C 48A is highly reddened with respect to the host, which could be due to warm dust, heated by enhanced star formation or by interstellar material intercepting the rad io jet. In fact… 

In this paper we present new near infrared (NIR) imaging and spectroscopic data of the quasar 3C 48 and its host galaxy. The data were obtained with the ESO-VLT camera ISAAC. We report the first detection of the apparent second nucleus 3C 48A about 1 '' NE of the bright QSO nucleus in the NIR bands J, H, and K s. 3C 48A is highly reddened with respect to the host, which could be due to warm dust, heated by enhanced star formation or by interstellar material intercepting the rad io jet. In fact, all colors on the host galaxy are reddened by several magnitudes of visual extinction. Imaging and initial spect roscopy also reveal a stellar content of about 30% to the overall QSO-light in the NIR. These results are important input parameters for future models of the stellar populations by taking extincti on into account.