In this Letter we report new evidence for a close three-galaxy interaction in the compact group of galaxies HCG 95. Deep optical imaging in the Johnson UBVRI...
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PublicaciónThe Onset of a Three-Galaxy Merger in the Compact Group of Galaxies HCG 95?
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PublicaciónThe optical behaviour of BL Lacertae at its maximum brightness levels: a blend of geometry and energetics
In 2021 BL Lacertae underwent an extraordinary activity phase, which was intensively followed by the Whole Earth Blazar Telescope (WEBT) Collaboration. We...
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PublicaciónThe optical morphologies of the 2 Jy sample of radio galaxies: evidence for galaxy interactions
We present deep Gemini Multi-Object Spectrograph South (GMOS-S)/Gemini optical broad-band images for a complete sample of 46 southern 2 Jy radio galaxies at...
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PublicaciónThe optical properties of low redshift radio galaxies
We present morphological and photometric properties of 79 low redshift (z=-24.0 with a clear trend for FRI sources to be ~ 0.5 mag brighter than FRII galaxies...
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PublicaciónThe Orbit and Origin of the Ultra-faint Dwarf Galaxy Segue 1
We present the first proper motion measurement for an ultra-faint dwarf spheroidal galaxy, Segue 1, using data from the Sloan Digital Sky Survey (SDSS) and the...
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PublicaciónThe Orientation of Disk Galaxies around Large Cosmic Voids
Using a large sample of galaxies from the the seventh data release of the Sloan Digital Sky Survey (SDSS-DR7), we have analyzed the alignment of disk galaxies...
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PublicaciónThe orientation of galaxy dark matter haloes around cosmic voids
Using the Millennium N-body Simulation we explore how the shape and angular momentum of galaxy dark matter haloes surrounding the largest cosmological voids are...
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PublicaciónThe orientation of WARPS in the Local Group.
The three major spiral galaxies in the Local Group are known to be warped. The question is investigated of whether or not these three warps are aligned. Using...
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PublicaciónThe origin of bulges and discs in the CALIFA survey - I. Morphological evolution
This series of papers aims at understanding the formation and evolution of non-barred disc galaxies. We use the new spectro-photometric decomposition code, C2D...