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Title: The young open cluster NGC 7067 using Str\'omgren photometry
Author: Monguió i Montells, Maria
Negueruela, I.
Marco, A.
González Fernández, C.
Alonso Santiago, J.
Costado, M. T.
Casamiquela Floriach, Laia
López Corredoira, M.
Molgó, J.
Vilardell, F.
Alfaro, E. J.
Antoja Castelltort, M. Teresa
Figueras Siñol, Francesca
Garcia, M.
Jordi i Nebot, Carme
Romero Gómez, Mercè
Keywords: Fotometria astronòmica
Espectroscòpia astronòmica
Astronomical photometry
Astronomical spectroscopy
Issue Date: 2017
Publisher: Royal Astronomical Society
Abstract: NGC 7067 is a young open cluster located in the direction between the first and the second Galactic quadrants and close to the Perseus spiral arm. This makes it useful for studies of the nature of the Milky Way spiral arms. Stromgren photometry taken with the Wide Field Camera at the Isaac Newton Telescope allowed us to compute individual physical parameters for the observed stars and hence to derive cluster's physical parameters. Spectra from the 1.93-m telescope at the Observatoire de Haute-Provence helped to check and improve the results. We obtained photometry for 1233 stars, individual physical parameters for 515 and spectra for 9 of them. The 139 selected cluster members lead to a cluster distance of 4.4+/-0.4 kpc, with an age below log10(t(yr))=7.3 and a present Mass of 1260+/-160Msun. The morphology of the data reveals that the centre of the cluster is at (ra,dec)=(21:24:13.69,+48:00:39.2) J2000, with a radius of 6.1arcsec. Stromgren and spectroscopic data allowed us to improve the previous parameters available for the cluster in the literature.
Note: Reproducció del document publicat a:
It is part of: Monthly Notices of the Royal Astronomical Society, 2017, vol. 466, num. 3, p. 3636-3647
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ISSN: 0035-8711
Appears in Collections:Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))
Articles publicats en revistes (Física Quàntica i Astrofísica)

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