We present VI CCD photometry of ~16,000 stars in a 7.2′ x 7.2′ field of the Local Group dwarf elliptical galaxy NGC 185. The resulting VI color-magnitude...
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PublicaciónThe Star Formation History of the Local Group Dwarf Elliptical Galaxy NGC 185. I. Stellar Content
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PublicaciónThe Star Formation History of the Local Group Dwarf Elliptical Galaxy NGC 185. II. Gradients in the Stellar Population
The star formation history of the dwarf elliptical galaxy NGC 185, together with its spatial variations, has been investigated for old, intermediate-age, and...
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PublicaciónThe Star Formation History of the Local Group Dwarf Galaxy Leo I
We present a quantitative analysis of the star formation history (SFH) of the Local Group dSph galaxy Leo I, from the information in its Hubble Space Telescope...
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PublicaciónThe Star Formation History of the Pegasus Dwarf Irregular Galaxy
The star formation history (SFH) of the Pegasus dIr, a likely Local Group member at 0.95 Mpc from the Milky Way, is investigated. We characterize the SFH by two...
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PublicaciónThe star formation history of the Sculptor dwarf spheroidal galaxy
We present the star formation history (SFH) of the Sculptor dwarf spheroidal galaxy based on deep g, r photometry taken with Dark Energy Camera at the Blanco...
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PublicaciónThe star formation history of the Sextans dwarf spheroidal galaxy: a true fossil of the pre-reionization era
We present the star formation history (SFH) of the Sextans dwarf spheroidal galaxy based on deep archive B, I photometry taken with Suprime-Cam at Subaru...
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PublicaciónThe star formation rates of QSOs
We examine the far-infrared (FIR) properties of a sample of 5391 optically selected QSOs in the 0.5 < z < 2.65 redshift range down to log [νL ν, 2500(erg s -1)]...
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PublicaciónThe star formation timescale of elliptical galaxies. Fitting [Mg/Fe] and total metallicity simultaneously
The alpha element to iron peak element ratio, for example [Mg/Fe], is a commonly applied indicator of the galaxy star formation timescale (SFT) since the two...
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PublicaciónThe star which has engulfed a planet
The fragile and rare isotope 6Li has a spallative origin. It is rapidly destroyed in solar-type stars while fully preserved in low-mass brown dwarfs and planets...