output
19932026
most citedThe Gaia mission

7.1k citations

Showing 2016 · astro-ph.GAShow all

15 papers · 2 filters

astro-ph.GA2016★ 15 cited

Ionization and feedback in Ly halos around two radio galaxies at z2.5

S. G. Morais, A. Humphrey, M. Villar-Martín +6

We present new spectroscopic observations of two high redshift radio galaxies, TXS 0211-122 (z=2.34) and TXS 0828+193 (z=2.57), known to be associated with large Ly halos. The o…

astro-ph.GA2016★ 2 cited

Observational constraints on the formation and evolution of the Milky Way nuclear star cluster with Keck and Gemini

Tuan Do, Andrea Ghez, Mark Morris +7

Due to its proximity, the Milky Way nuclear star cluster provides us with a wealth of data not available in other galactic nuclei. In particular, with adaptive optics, we can obser…

astro-ph.GA2016★ 6 cited

Semi-empirical AGN detection threshold in spectral synthesis studies of Lyman-continuum-leaking early-type galaxies

Leandro S. M. Cardoso, Jean Michel Gomes, Polychronis Papaderos

Various lines of evidence suggest that the cores of a large portion of early-type galaxies (ETGs) are virtually evacuated of warm ionised gas. This implies that the Lyman-continuum…

astro-ph.GA2016★ 618 cited

Gaia Data Release 1: Astrometry - one billion positions, two million proper motions and parallaxes

L. Lindegren, U. Lammers, U. Bastian +80

Gaia Data Release 1 (Gaia DR1) contains astrometric results for more than 1 billion stars brighter than magnitude 20.7 based on observations collected by the Gaia satellite during…

astro-ph.GA2016★ 10 cited

Dark matter inside early-type galaxies as function of mass and redshift

A. Nigoche-Netro, G. Ramos-Larios, P. Lagos +6

We study the behaviour of the dynamical and stellar mass inside the effective radius (re) of early-type galaxies (ETGs). We use several samples of ETGs -ranging from 19 000 to 98 0…

astro-ph.GA2016★ 78 cited

The Gaia-ESO Survey: Probes of the inner disk abundance gradient

H. R. Jacobson, E. D. Friel, L. Jilkova +41

The nature of the metallicity gradient inside the solar circle (R_GC < 8 kpc) is poorly understood, but studies of Cepheids and a small sample of open clusters suggest that it stee…

astro-ph.GA2016★ 21 cited

First survey of Wolf-Rayet star populations over the full extension of nearby galaxies observed with CALIFA

D. Miralles-Caballero, A. I. Díaz, Á. R. López-Sánchez +19

The search of extragalactic regions with conspicuous presence of Wolf-Rayet (WR) stars outside the Local Group is challenging task due to the difficulties in detecting their faint…

astro-ph.GA2016★ 30 cited

Aperture effects on the oxygen abundance determinations from CALIFA data

J. Iglesias-Páramo, J. M. Vílchez, F. F. Rosales-Ortega +23

This paper aims at providing aperture corrections for emission lines in a sample of spiral galaxies from the Calar Alto Legacy Integral Field Area Survey (CALIFA) database. In part…

astro-ph.GA2016★ 20 cited

MUSE 3D Spectroscopy and Kinematics of the gigahertz peaked spectrum Radio Galaxy PKS 1934-63: Interaction, Recently Triggered AGN and Star Formation

Nathan Roche, Andrew Humphrey, Patricio Lagos +4

We observe the radio galaxy PKS 1934-63 (at ) using MUSE (Multi Unit Spectroscopic Explorer) on the Very Large Telescope (VLT). The radio source is GigaHertz Peaked Spect…

astro-ph.GA2016★ 300 cited

Ubiquitous giant Ly nebulae around the brightest quasars at revealed with MUSE

Elena Borisova, Sebastiano Cantalupo, Simon J. Lilly +17

Direct Ly imaging of intergalactic gas at has recently revealed giant cosmological structures around quasars, e.g. the Slug Nebula (Cantalupo et al. 2014). Despite the…

astro-ph.GA2016★ 51 cited

Spatially resolved integral field spectroscopy of the ionized gas in IZw18

C. Kehrig, J. M. Vilchez, E. Perez-Montero +6

We present a detailed 2D study of the ionized ISM of IZw18 using new PMAS-IFU optical observations. IZw18 is a high-ionization galaxy which is among the most metal-poor starbursts…

astro-ph.GA2016★ 73 cited

Ionized outflows in luminous type 2 AGNs at z<0.6: no evidence for significant impact on the host galaxies

Montse Villar-Martin, Santiago Arribas, Bjorn Emonts +5

We investigate the presence of extended ionized outflows in 18 luminous type 2 AGNs (11 quasars and 7 high luminosity Seyfert 2s) at 0.3<z<0.6 based on VLT-FORS2 spectroscopy. We i…

astro-ph.GA2016★ 33 cited

Supernovae and their host galaxies - IV. The distribution of supernovae relative to spiral arms

L. S. Aramyan, A. A. Hakobyan, A. R. Petrosian +7

Using a sample of 215 supernovae (SNe), we analyze their positions relative to the spiral arms of their host galaxies, distinguishing grand-design (GD) spirals from non-GD (NGD) ga…

astro-ph.GA2016★ 79 cited

VISION - Vienna survey in Orion I. VISTA Orion A Survey

Stefan Meingast, João Alves, Diego Mardones +17

Orion A hosts the nearest massive star factory, thus offering a unique opportunity to resolve the processes connected with the formation of both low- and high-mass stars. Here we p…

astro-ph.GA2016★ 107 cited

Possible Signatures of a Cold-Flow Disk from MUSE using a z=1 galaxy--quasar pair towards SDSSJ1422-0001

N. Bouché, H. Finley, I. Schroetter +19

We use a background quasar to detect the presence of circum-galactic gas around a low-mass star forming galaxy. Data from the new Multi Unit Spectroscopic Explorer (MUSE)…