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Globular Clusters around Galaxies in Groups

  • Cristiano Da Rocha (a1), Claudia Mendes de Oliveira (a1), Michael Bolte (a2), Bodo L. Ziegler (a3) and Thomas H. Puzia (a4)...

Abstract

We have obtained deep photometry of NGC 1199 (in HCG 22) and NGC 6868 (in the Telescopium group). Both galaxies are the optically brightest galaxies of their groups. Our analysis of B and R images taken with the Keck II and the VLT/ESO telescopes, detected a population of globular clusters around both galaxies, with total specific frequencies S N = 1.7 ± 0.6 for NGC 1199 and S N = 1.3 ± 0.6 for NGC 6868. The color distributions of the globular cluster systems shows bimodal peaks centered at (B - R)0 = 1.13 ± 0.10 and 1.42 ± 0.10 (NGC 1199) and (B - R)0 = 1.12 ± 0.10 and 1.42 ± 0.10 (NGC 6868).

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References

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Globular Clusters around Galaxies in Groups

  • Cristiano Da Rocha (a1), Claudia Mendes de Oliveira (a1), Michael Bolte (a2), Bodo L. Ziegler (a3) and Thomas H. Puzia (a4)...

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