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March 15, 2022 preprint Open access Aachen paper

NGC 1605 is not a binary cluster

arXiv (Cornell University)

DOI: 10.48550/arxiv.2203.08153 Full text (OA) OpenAlex

Abstract

The open star cluster NGC 1605 has recently been reported to in fact consist of two clusters (one intermediate-aged and one old) that merged via a flyby capture. Here we show that Gaia data do not support this scenario. We also report the serendipitous discovery of a new open cluster, Can Batlló 1, with a similar age and distance.

Authors 5

  1. Friedrich Anders

    Institut de Ciències del Cosmos · Universitat de Barcelona

    Affiliation as printed

    Institut de Ciències del Cosmos , Universitat de Barcelona (IEEC-UB) , Martí i Franquès 1 , 08028 Barcelona , Spain

  2. A. Castro-Ginard Aachen Leiden Observatory

    Leiden University · Leiden Observatory

    Affiliation as printed

    Leiden Observatory , Leiden University , Niels Bohrweg , 2 , 2333CA Leiden , The Netherlands

  3. Juan Casado

    Universitat Autònoma de Barcelona

    Affiliation as printed

    Facultat de Ciències , Universitat Autònoma de Barcelona (UAB) , 08193 Bellaterra , Barcelona , Spain

  4. C. Jordi

    Institut de Ciències del Cosmos · Universitat de Barcelona

    Affiliation as printed

    Institut de Ciències del Cosmos , Universitat de Barcelona (IEEC-UB) , Martí i Franquès 1 , 08028 Barcelona , Spain

  5. L. Balaguer-Núñez

    Institut de Ciències del Cosmos · Universitat de Barcelona

    Affiliation as printed

    Institut de Ciències del Cosmos , Universitat de Barcelona (IEEC-UB) , Martí i Franquès 1 , 08028 Barcelona , Spain

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