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A sextet of clusters in the Vela OB2 region revealed by Gaia
| Indexado |
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| DOI | 10.1093/MNRASL/SLY144 | ||||
| Año | 2018 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Using Gaia DR2 data, combined with OmegaCAM ground-based optical photometry from the Accretion Disc with OmegaCAM survey, and detailed radial velocity measurements from ESO-Gaia, we analyse in detail a 10 x 5 deg region around the Wolf-Rayet Star gamma(2) Vel, including the previously known clusters Gamma Vel and NGC2547. Using clustering analysis that considers positions, proper motions, and parallax, we discover six clusters or associations - four of which appear new. Analysis of the colour-magnitude diagram for these clusters shows that four of them formed coevally from the same molecular clouds 10 Myr ago, while NGC 2547 formed together with a newly discovered cluster 30 Myr ago. This study shows the incredible wealth of data provided by Gaia for the study of young stellar clusters.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Beccari, G. | Hombre |
ESO - Alemania
Observatorio Europeo Austral - Alemania |
| 2 | Boffin, Henri M. J. | Hombre |
ESO - Alemania
Observatorio Europeo Austral - Alemania |
| 3 | Jerabkova, T. | Mujer |
ESO - Alemania
UNIV BONN - Alemania Charles Univ Prague - República Checa Observatorio Europeo Austral - Alemania Universität Bonn - Alemania Charles University - República Checa |
| 4 | Wright, Nicholas J. | Hombre |
Keele Univ - Reino Unido
Keele University - Reino Unido |
| 5 | Kalari, Venu M. | - |
Universidad de Chile - Chile
|
| 6 | Carraro, Giovanni | Hombre |
Dipartimento Fis & Astron Galileo Galilei - Italia
Università degli Studi di Padova - Italia |
| 7 | De Marchi, Guido | Hombre |
ESA ESTEC - Países Bajos
ESTEC - European Space Research and Technology Centre - Países Bajos |
| 8 | de Wit, Willem-Jan | Hombre |
ESO - Chile
European Southern Observatory Santiago - Chile |
| Fuente |
|---|
| Universidad de Chile |
| ESO |
| European Space Agency |
| Keele University |
| Univerzita Karlova v Praze |
| European Southern Observatory Telescopes at the La Silla Paranal Observatory |
| 6Dipartimento di Fisica e Astronomia Galileo Galilei |
| Estech |
| Agradecimiento |
|---|
| This research has made use of the services of the ESO Science Archive Facility. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dp ac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Based on data products from observations made with European Southern Observatory Telescopes at the La Silla Paranal Observatory under programme ID 188.B-3002. These data products have been processed by the Cambridge Astronomy Survey Unit (CASU) at the Institute of Astronomy, University of Cambridge, and by the FLAMES/UVES reduction team at INAF/Osservatorio Astrofisico di Arcetri. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme(s) 188.B-3002, 096.C-0730(A) and 097.C-0749(A). |
| This research has made use of the services of the ESO Science Archive Facility. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos .esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dp ac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Based on data products from observations made with European Southern Observatory Telescopes at the La Silla Paranal Observatory under programme ID 188.B-3002. These data products have been processed by the Cambridge Astronomy Survey Unit (CASU) at the Institute of Astronomy, University of Cambridge, and by the FLAMES/UVES reduction team at INAF/Osservatorio Astrofisico di Arcetri. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme(s) 188.B-3002, 096.C-0730(A) and 097.C-0749(A). |
| This research has made use of the services of the ESO Science Archive Facility. This work has made use of data from the European Space Agency (ESA) mission Gaia (https://www.cosmos .esa.int/gaia), processed by the Gaia Data Processing and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dp ac/consortium). Funding for the DPAC has been provided by national institutions, in particular the institutions participating in the Gaia Multilateral Agreement. Based on data products from observations made with European Southern Observatory Telescopes at the La Silla Paranal Observatory under programme ID 188.B-3002. These data products have been processed by the Cambridge Astronomy Survey Unit (CASU) at the Institute of Astronomy, University of Cambridge, and by the FLAMES/UVES reduction team at INAF/Osservatorio Astrofisico di Arcetri. Based on observations collected at the European Organisation for Astronomical Research in the Southern Hemisphere under ESO programme(s) 188.B-3002, 096.C-0730(A) and 097.C-0749(A). |
