The G305 star-forming complex: the central star clusters Danks 1 and Danks 2

B. Davies, J.S. Clark, C. Trombley, D. F. Figer, F. Najarro, P.A. Crowther, R.P. Kudritzki, M. Thompson, J.S. Urquhart, Luke Hindson

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The G305 H ii complex (G305.4+0.1) is one of the most massive star-forming structures yet identified within the Galaxy. It is host to many massive stars at all stages of formation and evolution, from embedded molecular cores to post-main-sequence stars. Here, we present a detailed near-infrared analysis of the two central star clusters Danks 1 and Danks 2, using Hubble Space Telescope+NICMOS imaging and Very Large Telescope+ISAAC spectroscopy. We find that the spectrophotometric distance to the clusters is consistent with the kinematic distance to the G305 complex, an average of all measurements giving a distance of 3.8 ± 0.6 kpc
Original languageEnglish
Pages (from-to)1871-1886
Number of pages16
JournalMonthly Notices of the Royal Astronomical Society
Issue number3
Publication statusPublished - 2012


  • ISM: clouds, H II regions, open clusters and associations: general, open clusters and associations: individual: Danks 1, Danks 2
  • stars: formation
  • stars: Wolf-Rayet


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