Zobrazeno 1 - 10
of 8 240
pro vyhledávání: '"Stromgren"'
Autor:
M., Bellazzini, D., Massari, F., De Angeli, A., Mucciarelli, A, Bragaglia., M., Riello, P., Montegriffo
Publikováno v:
A&A 674, A194 (2023)
We use the calibrations by Calamida et al. and by Hilker et al., and the standardised synthetic photometry in the v, b, and y Stromgren passbands from Gaia DR3 BP/RP spectra, to obtain photometric metallicities for a selected sample of 694233 old Gal
Externí odkaz:
http://arxiv.org/abs/2304.10772
We describe the interface between the outer heliosphere and the local interstellar medium (LISM) surrounding the Sun. The components of the inner LISM are the four partially ionized clouds [the Local Interstellar Cloud (LIC), G cloud, Blue cloud, and
Externí odkaz:
http://arxiv.org/abs/1910.01243
We present results obtained from Stromgren photometry of 13 young (~30-220 Myr) Magellanic Cloud (MC) clusters, most of them lacking in the literature from direct metallicity measurements. We derived for them [Fe/H] values from a high-dispersion spec
Externí odkaz:
http://arxiv.org/abs/1812.07911
Akademický článek
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We present and discuss highly accurate photometry obtained through medium Stromgren y,b bands and narrow [OIII], Halpha bands covering 500 days of the evolution of Nova Del 2013 since its maximum brightness. This is by far the most complete study of
Externí odkaz:
http://arxiv.org/abs/1504.05483
Aims. The main purpose is to map the radial variation of the stellar space density for the young stellar population in the Galactic anticenter direction in order to understand the structure and location of the Perseus spiral arm. Methods. A uvbyHbeta
Externí odkaz:
http://arxiv.org/abs/1211.3846
We discuss a variety of photometric indices assembled from the uvby Stromgren system. Our aim is to examine the pros and cons of the various indices to find the most suitable one(s) to study the properties of multiple populations in globular clusters
Externí odkaz:
http://arxiv.org/abs/1109.3199
[Abridged] Several large scale photometric and spectroscopic surveys are being undertaken to provide a more detailed picture of the Milky Way. Given the necessity of generalisation in the determination of, e.g., stellar parameters when tens and hundr
Externí odkaz:
http://arxiv.org/abs/1008.3848
Akademický článek
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Autor:
Faria, D., Feltzing, S., Lundstrom, I., Gilmore, G., Wahlgren, G. M., Ardeberg, A., Linde, P.
In this paper we demonstrate how Stromgren uvby photometry can be efficiently used to: 1. Identify red giant branch stars that are members in a dwarf spheroidal galaxy. 2. Derive age-independent metallicities for the same stars and quantify the assoc
Externí odkaz:
http://arxiv.org/abs/astro-ph/0611883