Circumnuclear dynamics in Mrk 273 and Mrk 231

A. M. S. Richards, R. J. Cohen, G. H. Cole, A. J. Holloway, A. Pedlar, J. L. Collett, J. H. Knapen, J. A. Yates, D Field, M D Gray, Carole Mundell, M. M. Wright

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Mrk 273 and Mrk 231 are ultra-luminous IR galaxies which show signs of merger activity. Their radio continuum, HI and OH maser emission has been imaged on scales of tens of parsec using MERLIN. Mrk 273 and Mrk 231 are classed as Sy 2 and Sy 1 respectively. The distribution of material and velocity gradients shown by OH masers and HI absorption are consistent with material in a rotating disk or ring. In Mrk 273 the axis is at greater than 45 degrees to the line of sight; in Mrk 231 it is at less than 45 degrees to the line of sight. The amount of mass enclosed is estimated, and its distribution is inferred from irregularities in the masers and comparison with the HI and radio continuum data.
Original languageEnglish
Title of host publicationGalaxies and their Constituents at the Highest Angular Resolutions
Subtitle of host publicationProceedings of IAU Symposium #205, held 15-18 August 2000
EditorsR. T. Schilizzi
Pages212
Publication statusPublished - Jan 2001

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masers
line of sight
continuums
rotating disks
irregularities
galaxies
gradients
rings

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Richards, A. M. S., Cohen, R. J., Cole, G. H., Holloway, A. J., Pedlar, A., Collett, J. L., ... Wright, M. M. (2001). Circumnuclear dynamics in Mrk 273 and Mrk 231. In R. T. Schilizzi (Ed.), Galaxies and their Constituents at the Highest Angular Resolutions: Proceedings of IAU Symposium #205, held 15-18 August 2000 (pp. 212)

Circumnuclear dynamics in Mrk 273 and Mrk 231. / Richards, A. M. S.; Cohen, R. J.; Cole, G. H.; Holloway, A. J.; Pedlar, A.; Collett, J. L.; Knapen, J. H.; Yates, J. A.; Field, D; Gray, M D; Mundell, Carole; Wright, M. M.

Galaxies and their Constituents at the Highest Angular Resolutions: Proceedings of IAU Symposium #205, held 15-18 August 2000 . ed. / R. T. Schilizzi. 2001. p. 212.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Richards, AMS, Cohen, RJ, Cole, GH, Holloway, AJ, Pedlar, A, Collett, JL, Knapen, JH, Yates, JA, Field, D, Gray, MD, Mundell, C & Wright, MM 2001, Circumnuclear dynamics in Mrk 273 and Mrk 231. in RT Schilizzi (ed.), Galaxies and their Constituents at the Highest Angular Resolutions: Proceedings of IAU Symposium #205, held 15-18 August 2000 . pp. 212.
Richards AMS, Cohen RJ, Cole GH, Holloway AJ, Pedlar A, Collett JL et al. Circumnuclear dynamics in Mrk 273 and Mrk 231. In Schilizzi RT, editor, Galaxies and their Constituents at the Highest Angular Resolutions: Proceedings of IAU Symposium #205, held 15-18 August 2000 . 2001. p. 212
Richards, A. M. S. ; Cohen, R. J. ; Cole, G. H. ; Holloway, A. J. ; Pedlar, A. ; Collett, J. L. ; Knapen, J. H. ; Yates, J. A. ; Field, D ; Gray, M D ; Mundell, Carole ; Wright, M. M. / Circumnuclear dynamics in Mrk 273 and Mrk 231. Galaxies and their Constituents at the Highest Angular Resolutions: Proceedings of IAU Symposium #205, held 15-18 August 2000 . editor / R. T. Schilizzi. 2001. pp. 212
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AU - Knapen, J. H.

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N2 - Mrk 273 and Mrk 231 are ultra-luminous IR galaxies which show signs of merger activity. Their radio continuum, HI and OH maser emission has been imaged on scales of tens of parsec using MERLIN. Mrk 273 and Mrk 231 are classed as Sy 2 and Sy 1 respectively. The distribution of material and velocity gradients shown by OH masers and HI absorption are consistent with material in a rotating disk or ring. In Mrk 273 the axis is at greater than 45 degrees to the line of sight; in Mrk 231 it is at less than 45 degrees to the line of sight. The amount of mass enclosed is estimated, and its distribution is inferred from irregularities in the masers and comparison with the HI and radio continuum data.

AB - Mrk 273 and Mrk 231 are ultra-luminous IR galaxies which show signs of merger activity. Their radio continuum, HI and OH maser emission has been imaged on scales of tens of parsec using MERLIN. Mrk 273 and Mrk 231 are classed as Sy 2 and Sy 1 respectively. The distribution of material and velocity gradients shown by OH masers and HI absorption are consistent with material in a rotating disk or ring. In Mrk 273 the axis is at greater than 45 degrees to the line of sight; in Mrk 231 it is at less than 45 degrees to the line of sight. The amount of mass enclosed is estimated, and its distribution is inferred from irregularities in the masers and comparison with the HI and radio continuum data.

M3 - Conference contribution

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BT - Galaxies and their Constituents at the Highest Angular Resolutions

A2 - Schilizzi, R. T.

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