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PublicationA study on the H II regions of NGC 4449.
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PublicationAsymptotic giant branch stars in NGC 6822: Probes of star formation history
About 500 asymptotic giant branch (AGB) stars have been resolved and photometrically measured in the Local Group (LG) dwarf irregular galaxy NGC 6822. They draw...
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TalkBar characterization from S4G imaging: Gaining insight into the secular evolution of disc galaxies
The ΛCDM model predicts that galaxies originate in dark matter haloes, undergoing in their early age a process of continuous merges with other galaxies that...
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PublicationCCD photometry of resolved dwarf irregular galaxies. I - Sextans A
CCD UBV photometry of 2279 stars in Sextans A is presented. Differences with the photometric scales of Sandage and Carlson (1985) and Hoessel et al. (1983) are...
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PublicationCCD photometry of resolved dwarf irregular galaxies. II - DDO 187. III - GR 8
CCD photometry of resolved dwarf irregular galaxies was obtained with the 4-m Cerro Tololo Interamerican Observatory telescope in February 1985. BV data from 77...
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PublicationCEERS Key Paper. III. The Diversity of Galaxy Structure and Morphology at z = 3-9 with JWST
We present a comprehensive analysis of the evolution of the morphological and structural properties of a large sample of galaxies at z = 3-9 using early James...
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PublicationExpectations of the Size Evolution of Massive Galaxies at 3 ≤ z ≤ 6 from the TNG50 Simulation: The CEERS/JWST View
We present a catalog of about 25,000 images of massive (M ⋆ ≥ 109 M ⊙) galaxies at redshifts 3 ≤ z ≤ 6 from the TNG50 cosmological simulation, tailored for...
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PublicationH II regions in Sextans A
CCD narrow-band H-alpha photometry of the Sextans A Local Group dwarf irregular galaxy is presented. Fourteen H II regions have been recorded. Their...
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PublicationInfrared studies of Seyfert galaxies and of the irregular galaxy M 82
Middle and far infrared studies of the irregular galaxy M 82 and of Seyfert galaxies are presented. M 82 was observed spectrophotometrically from 8 to 13...