Home > Research > Publications & Outputs > Major mergers with small galaxies

Research

Electronic data

  • 1511.01499v1

    Rights statement: © 2015. The American Astronomical Society. All rights reserved.

    Accepted author manuscript, 561 KB, PDF document

    Available under license: CC BY: Creative Commons Attribution 4.0 International License

Links

Text available via DOI:

View graph of relations

Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12. / Koch, Andreas; Frank, Matthias J.; Pasquali, Anna et al.
In: The Astrophysical Journal, Vol. 815, No. 2, 105, 15.12.2015.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Koch, A, Frank, MJ, Pasquali, A, Rich, RM & Rabitz, A 2015, 'Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12', The Astrophysical Journal, vol. 815, no. 2, 105. https://doi.org/10.1088/0004-637X/815/2/105

APA

Koch, A., Frank, M. J., Pasquali, A., Rich, R. M., & Rabitz, A. (2015). Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12. The Astrophysical Journal, 815(2), Article 105. https://doi.org/10.1088/0004-637X/815/2/105

Vancouver

Koch A, Frank MJ, Pasquali A, Rich RM, Rabitz A. Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12. The Astrophysical Journal. 2015 Dec 15;815(2):105. doi: 10.1088/0004-637X/815/2/105

Author

Koch, Andreas ; Frank, Matthias J. ; Pasquali, Anna et al. / Major mergers with small galaxies : the discovery of a Magellanic-type galaxy at z=0.12. In: The Astrophysical Journal. 2015 ; Vol. 815, No. 2.

Bibtex

@article{46e3d69b5f664a73bd31e24f91096d9d,
title = "Major mergers with small galaxies: the discovery of a Magellanic-type galaxy at z=0.12",
abstract = "We report on the serendipitous discovery of a star-forming galaxy at redshift z = 0.116 with morphological features that indicate an ongoing merger. This object exhibits two clearly separated components with significantly different colors, plus a possible tidal stream. Follow-up spectroscopy of the bluer component revealed a low star-forming activity of 0.09 M⊙ yr−1 and a high metallicity of 12 + log(O/H) = 8.6. Based on comparison with mass–star formation-rate and mass–metallicity relations, and on fitting of spectral energy distributions, we obtain a stellar mass of 3 × 109 M⊙, which renders this object comparable to the Large Magellanic Cloud. Thus our finding provides a further piece of evidence of a major merger already acting on small, dwarf-galaxy-like scales.",
author = "Andreas Koch and Frank, {Matthias J.} and Anna Pasquali and Rich, {R. Michael} and Andreas Rabitz",
year = "2015",
month = dec,
day = "15",
doi = "10.1088/0004-637X/815/2/105",
language = "English",
volume = "815",
journal = "The Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Major mergers with small galaxies

T2 - the discovery of a Magellanic-type galaxy at z=0.12

AU - Koch, Andreas

AU - Frank, Matthias J.

AU - Pasquali, Anna

AU - Rich, R. Michael

AU - Rabitz, Andreas

PY - 2015/12/15

Y1 - 2015/12/15

N2 - We report on the serendipitous discovery of a star-forming galaxy at redshift z = 0.116 with morphological features that indicate an ongoing merger. This object exhibits two clearly separated components with significantly different colors, plus a possible tidal stream. Follow-up spectroscopy of the bluer component revealed a low star-forming activity of 0.09 M⊙ yr−1 and a high metallicity of 12 + log(O/H) = 8.6. Based on comparison with mass–star formation-rate and mass–metallicity relations, and on fitting of spectral energy distributions, we obtain a stellar mass of 3 × 109 M⊙, which renders this object comparable to the Large Magellanic Cloud. Thus our finding provides a further piece of evidence of a major merger already acting on small, dwarf-galaxy-like scales.

AB - We report on the serendipitous discovery of a star-forming galaxy at redshift z = 0.116 with morphological features that indicate an ongoing merger. This object exhibits two clearly separated components with significantly different colors, plus a possible tidal stream. Follow-up spectroscopy of the bluer component revealed a low star-forming activity of 0.09 M⊙ yr−1 and a high metallicity of 12 + log(O/H) = 8.6. Based on comparison with mass–star formation-rate and mass–metallicity relations, and on fitting of spectral energy distributions, we obtain a stellar mass of 3 × 109 M⊙, which renders this object comparable to the Large Magellanic Cloud. Thus our finding provides a further piece of evidence of a major merger already acting on small, dwarf-galaxy-like scales.

U2 - 10.1088/0004-637X/815/2/105

DO - 10.1088/0004-637X/815/2/105

M3 - Journal article

VL - 815

JO - The Astrophysical Journal

JF - The Astrophysical Journal

SN - 0004-637X

IS - 2

M1 - 105

ER -