Circumnuclear emission line regions in Cygnus A

I. Pérez-Fournon; F. Cabrera-Guerra; J. Burgos-Martin; J. A. Acosta-Pulido; A. S. Wilson; Z. Tsvetanov

doi:10.1016/0083-6656(95)00100-X

Circumnuclear emission line regions in Cygnus A

I. Pérez-Fournon^*
, F. Cabrera-Guerra
, J. Burgos-Martin
, J. A. Acosta-Pulido
, A. S. Wilson
, Z. Tsvetanov

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We have used the Nordic Optical and the William Herschel Telescopes to obtain images and long-slit spectra of Cygnus A under conditions of sub-arcsecond seeing. The high spatial resolution and accurate positional information obtained from a comparison between the images and spectra allow us to study in detail the kinematics and excitation of the extended ionized gas. Strong velocity gradients and complex line profiles are detected in positions close to the radio axis corresponding to the emission line clouds recently resolved by HST. The results are interpreted in terms of a strong interaction between the radio jet and the interstellar medium.

Original language	English
Pages (from-to)	51-55
Number of pages	5
Journal	Vistas in Astronomy
Volume	40
Issue number	1
DOIs	https://doi.org/10.1016/0083-6656(95)00100-X
Publication status	Published - 1996
Externally published	Yes

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10.1016/0083-6656(95)00100-X

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title = "Circumnuclear emission line regions in Cygnus A",

abstract = "We have used the Nordic Optical and the William Herschel Telescopes to obtain images and long-slit spectra of Cygnus A under conditions of sub-arcsecond seeing. The high spatial resolution and accurate positional information obtained from a comparison between the images and spectra allow us to study in detail the kinematics and excitation of the extended ionized gas. Strong velocity gradients and complex line profiles are detected in positions close to the radio axis corresponding to the emission line clouds recently resolved by HST. The results are interpreted in terms of a strong interaction between the radio jet and the interstellar medium.",

author = "I. P{\'e}rez-Fournon and F. Cabrera-Guerra and J. Burgos-Martin and Acosta-Pulido, \{J. A.\} and Wilson, \{A. S.\} and Z. Tsvetanov",

year = "1996",

doi = "10.1016/0083-6656(95)00100-X",

language = "English",

volume = "40",

pages = "51--55",

journal = "Vistas in Astronomy",

issn = "0083-6656",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Circumnuclear emission line regions in Cygnus A

AU - Pérez-Fournon, I.

AU - Cabrera-Guerra, F.

AU - Burgos-Martin, J.

AU - Acosta-Pulido, J. A.

AU - Wilson, A. S.

AU - Tsvetanov, Z.

PY - 1996

Y1 - 1996

N2 - We have used the Nordic Optical and the William Herschel Telescopes to obtain images and long-slit spectra of Cygnus A under conditions of sub-arcsecond seeing. The high spatial resolution and accurate positional information obtained from a comparison between the images and spectra allow us to study in detail the kinematics and excitation of the extended ionized gas. Strong velocity gradients and complex line profiles are detected in positions close to the radio axis corresponding to the emission line clouds recently resolved by HST. The results are interpreted in terms of a strong interaction between the radio jet and the interstellar medium.

AB - We have used the Nordic Optical and the William Herschel Telescopes to obtain images and long-slit spectra of Cygnus A under conditions of sub-arcsecond seeing. The high spatial resolution and accurate positional information obtained from a comparison between the images and spectra allow us to study in detail the kinematics and excitation of the extended ionized gas. Strong velocity gradients and complex line profiles are detected in positions close to the radio axis corresponding to the emission line clouds recently resolved by HST. The results are interpreted in terms of a strong interaction between the radio jet and the interstellar medium.

UR - https://www.scopus.com/pages/publications/33750422138

U2 - 10.1016/0083-6656(95)00100-X

DO - 10.1016/0083-6656(95)00100-X

M3 - Article

AN - SCOPUS:33750422138

SN - 0083-6656

VL - 40

SP - 51

EP - 55

JO - Vistas in Astronomy

JF - Vistas in Astronomy

IS - 1

ER -

Circumnuclear emission line regions in Cygnus A

Abstract

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