Skip to main content
SpringerLink
Log in

The Jet Driven Motions in the Narrow Line Region of NGC 1068

  • Published:
Astrophysics and Space Science Aims and scope Submit manuscript

Abstract

We have obtained HST FOC f/48 long-slit spectroscopy of the central 2 arcseconds of the Narrow Line Region of NGC 1068 between 3500-5400\OA with a spectral resolution of 1.78\OA/pixel. At a spatial scale of 0″.0287 per pixel these data provide an order of magnitude improvement in resolution over previous ground based spectra and allow us to trace the interaction between the radio jet and the gas in the NLR. Our results show that, within ±0″.5 of the radio-jet the emission lines are split into two components whose velocity separation is 1500 km s-1. The emission line structure is reminiscent of that seen previously around the jet of 3C120. Furthermore, this material enveloping the radio-jet is in a much higher ionization state than that of the surrounding NLR gas. The highest excitation is coincident with the jet axis where emission in the coronal line of [FeVII] λ3769\OA is detected but where [OII] λ3727 \OA is depressed. These results imply that we are witnessing a cocoon of hot gas in expansion around the radio-jet created by its interaction with the gas, and that these shocks are sufficiently fast, at least ± km s-1, that they are creating localized ionization effects.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  • Allion, D., Pelat, D, Boksenberg, A, & Sargent, W., 1983, ApJ, 275, 493.

    Article  ADS  Google Scholar 

  • Axon, D. J., Unger, S. W., Pedlar, A., Meurs, E. J. A, Whittle, D. M. & Ward, M. J., 1989, Nature, 341, 631-633.

    Article  ADS  Google Scholar 

  • Axon, D.J., Dyson, J. E. & Pedlar, A. 1993.,In The Nature of Compact Objects in AGN, CUP, Eds A. Robinson & R. J. Terlevich, p66-73.

  • Axon, D. J., Capetti, A., Macchetto, F., Sparks, W. B. & Boksenberg, A. 1996, In Science with the Hubble Space Telescope-II, ed P. Benvenuti, F.D. Macchetto & E. J. Schreier, 214-218.

  • Axon, D. j., Marconi, A., Macchetto, F. D., Capetti, A., and Robinson, A. 1997, ApJ, submitted

  • Capetti, A., Axon, D.J., and Macchetto F.D. 1997, ApJ, in press

  • Baldwin, J., Wilson, A.S., & Whittle, M., 1987, ApJ, 319, 84.

    Article  ADS  Google Scholar 

  • Bower, G., Wilson, A.S., Mulchaey, J., Miley, G.K., Heckman, T.M., and Krolik, J.H., 1994, AJ, 107, 1686.

    Article  ADS  Google Scholar 

  • Bower, G., Wilson, A.S., Morse, J.A., Gelderman, R., Whittle, M., and Mulchaey, J., 1995, ApJ, 454, 106.

    Article  ADS  Google Scholar 

  • Bower, G., Wilson A., Morse, J.A., Gelderman, R., Whittle, M., Mulchaey, J. ApJ, 454 106.

  • Capetti, A., Macchetto, F.D., Axon, D.J., Sparks, W.B., and Boksenberg, A. 1995a, ApJ, 448, 600.

    Article  ADS  Google Scholar 

  • Capetti, A., Axon, D.J., Kukula, M., Macchetto F.D., Pedlar, A., Sparks, W.B., and Boksenberg, A. 1995b, ApJ, 454, 85.

    ADS  Google Scholar 

  • Capetti, A., Axon, D. J., Macchetto F. D., Sparks, W. B., and Boksenberg, A. 1996, ApJ, 469, 554.

    Article  ADS  Google Scholar 

  • Capetti, A., Axon, D. J., & Macchetto F. D. 1997, ApJ, in press

  • Cecil, G, Bland, J. & Tully, R., 1990, ApJ, 355, 70.

    Article  ADS  Google Scholar 

  • Dopita, M.A. & Sutherland, R.S. 1996, ApJS, 102, 161.

    Article  ADS  Google Scholar 

  • Dopita, M.A. & Sutherland, R.S. 1996,ApJ, 455, 468.

    Article  ADS  Google Scholar 

  • Ferruit, P., Binnette, L., Sutherland, R.S. & Pecontal, E. 1997, Astron. & Astrophys., in press

  • Gallimore, J.F., Baum, S.A., O'Dea, C.P., and Pedlar, A., 1996, ApJL, 458, 136.

    Article  ADS  Google Scholar 

  • Lattanzi, M. G., Capetti, A., and Macchetto, F. D. 1996, Astron. & Astrophys., in press

  • Macchetto, F. D., Capetti, A., Sparks, W. B., Axon, D. J., and Boksenberg, A. 1994, ApJL, 435, 15.

    Article  ADS  Google Scholar 

  • Macchetto, F. D., Marconi, A., Axon, D. J., Capetti, A., Sparks, W. B., and Crane, P. 1997, ApJL, submitted

  • Meaburn, J. & Pedlar, A., 1986, Astron. & Astrophys., 159, 336.

    ADS  Google Scholar 

  • Muxlow, T. W. B., Pedlar, A., Holloway, A. J., Gallimore, J. F., and Antonucci, R. R. J. 1996, MNRAS, 278, 854.

    ADS  Google Scholar 

  • Sutherland, R.S., Bicknell, G.V., and Dopita, M.A., 1993,ApJ, 414, 506.

    Article  ADS  Google Scholar 

  • Taylor, D., Dyson, J., and Axon, D. J. 1992, MNRAS, 255, 35.

    ADS  Google Scholar 

  • Unger, S.W., Lewis, J.R., Pedlar, A., and Axon, D.J. 1992, MNRAS, 258, 371.

    ADS  Google Scholar 

  • Wilkins T.W. and Axon D.J., 1992, in Astronomical data analysis software and systems I, Ast. Soc. Pac. Conf. Ser. 25, p. 427.

  • Wilson, A.S., & Ulvestad, J.S., 1983, ApJ, 275, 8.

    Article  ADS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Affiliated to the Astrophysics Division of ESA, Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD, 21218

    David J. Axon & F.D. Macchetto

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

    A. Marconi

  3. Dipartimento di Astronomia e Scienza dello Spazio, Università di Firenze, Largo E. Fermi 5, I-50125, Italy

    A. Marconi

  4. Scuola Internazionale Superiore di Studi Avanzati, Via Beirut 2-4, 34014, Trieste, Italy

    A. Capetti

  5. Department of Physical Sciences, University of Hertfordshire, College Lane, Hatfield, Herts, AL10 9AB, UK

    Andrew Robinson

Authors
  1. David J. Axon
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. A. Marconi
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. F.D. Macchetto
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. A. Capetti
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Andrew Robinson
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

Axon, D.J., Marconi, A., Macchetto, F. et al. The Jet Driven Motions in the Narrow Line Region of NGC 1068. Astrophysics and Space Science 248, 69–77 (1997). https://doi.org/10.1023/A:1000584219075

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.1023/A:1000584219075

Keywords

Search

Navigation