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Dwarf galaxies beyond Our doorstep: the Centaurus Group

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Dwarf galaxies beyond Our doorstep: the Centaurus Group. / Crnojevic, D.; Grebel, E. K.; Cole, A. A. et al.
In: EAS Publications Series, Vol. 48, 2011, p. 51-57.

Research output: Contribution to Journal/Magazine › Journal article

Harvard

Crnojevic, D, Grebel, EK, Cole, AA, Koch, A, Rejkuba, M, Costa, GD & Jerjen, H 2011, 'Dwarf galaxies beyond Our doorstep: the Centaurus Group', EAS Publications Series, vol. 48, pp. 51-57. https://doi.org/10.1051/eas/1148008

APA

Crnojevic, D., Grebel, E. K., Cole, A. A., Koch, A., Rejkuba, M., Costa, G. D., & Jerjen, H. (2011). Dwarf galaxies beyond Our doorstep: the Centaurus Group. EAS Publications Series, 48, 51-57. https://doi.org/10.1051/eas/1148008

Vancouver

Crnojevic D, Grebel EK, Cole AA, Koch A, Rejkuba M, Costa GD et al. Dwarf galaxies beyond Our doorstep: the Centaurus Group. EAS Publications Series. 2011;48:51-57. doi: 10.1051/eas/1148008

Author

Crnojevic, D. ; Grebel, E. K. ; Cole, A. A. et al. / Dwarf galaxies beyond Our doorstep : the Centaurus Group. In: EAS Publications Series. 2011 ; Vol. 48. pp. 51-57.

Bibtex

@article{0110b2c3214542fc89b298e3c9f172d9,
title = "Dwarf galaxies beyond Our doorstep: the Centaurus Group",
abstract = "The study of dwarf galaxies in groups is a powerful tool for investigating galaxy evolution, chemical enrichment and environmental effects on these objects. Here we present results obtained for dwarf galaxies in the Centaurus A complex, a dense nearby (∼4 Mpc) group that contains two giant galaxies and about 60 dwarf companions of different morphologies and stellar contents. We use archival optical (HST/ACS) and near-infrared (VLT/ISAAC) data to derive physical properties and evolutionary histories from the resolved stellar populations of these dwarf galaxies. In particular, for early-type dwarfs we are able to construct metallicity distribution functions, find population gradients and quantify the intermediate-age star formation episodes. For late-type dwarfs, we compute recent (∼1 Gyr) star formation histories and study their stellar distribution. We then compare these results with properties of the dwarfs in our Milky Way and in other groups. Our work will ultimately lead to a better understanding of the evolution of dwarf galaxies.",
author = "D. Crnojevic and Grebel, {E. K.} and Cole, {A. A.} and Andreas Koch and M. Rejkuba and Costa, {Gary Da} and H. Jerjen",
year = "2011",
doi = "10.1051/eas/1148008",
language = "English",
volume = "48",
pages = "51--57",
journal = "EAS Publications Series",
issn = "1633-4760",
publisher = "EDP Sciences",

}

RIS

TY - JOUR

T1 - Dwarf galaxies beyond Our doorstep

T2 - the Centaurus Group

AU - Crnojevic, D.

AU - Grebel, E. K.

AU - Cole, A. A.

AU - Koch, Andreas

AU - Rejkuba, M.

AU - Costa, Gary Da

AU - Jerjen, H.

PY - 2011

Y1 - 2011

N2 - The study of dwarf galaxies in groups is a powerful tool for investigating galaxy evolution, chemical enrichment and environmental effects on these objects. Here we present results obtained for dwarf galaxies in the Centaurus A complex, a dense nearby (∼4 Mpc) group that contains two giant galaxies and about 60 dwarf companions of different morphologies and stellar contents. We use archival optical (HST/ACS) and near-infrared (VLT/ISAAC) data to derive physical properties and evolutionary histories from the resolved stellar populations of these dwarf galaxies. In particular, for early-type dwarfs we are able to construct metallicity distribution functions, find population gradients and quantify the intermediate-age star formation episodes. For late-type dwarfs, we compute recent (∼1 Gyr) star formation histories and study their stellar distribution. We then compare these results with properties of the dwarfs in our Milky Way and in other groups. Our work will ultimately lead to a better understanding of the evolution of dwarf galaxies.

AB - The study of dwarf galaxies in groups is a powerful tool for investigating galaxy evolution, chemical enrichment and environmental effects on these objects. Here we present results obtained for dwarf galaxies in the Centaurus A complex, a dense nearby (∼4 Mpc) group that contains two giant galaxies and about 60 dwarf companions of different morphologies and stellar contents. We use archival optical (HST/ACS) and near-infrared (VLT/ISAAC) data to derive physical properties and evolutionary histories from the resolved stellar populations of these dwarf galaxies. In particular, for early-type dwarfs we are able to construct metallicity distribution functions, find population gradients and quantify the intermediate-age star formation episodes. For late-type dwarfs, we compute recent (∼1 Gyr) star formation histories and study their stellar distribution. We then compare these results with properties of the dwarfs in our Milky Way and in other groups. Our work will ultimately lead to a better understanding of the evolution of dwarf galaxies.

U2 - 10.1051/eas/1148008

DO - 10.1051/eas/1148008

M3 - Journal article

VL - 48

SP - 51

EP - 57

JO - EAS Publications Series

JF - EAS Publications Series

SN - 1633-4760

ER -