Buscar
Mostrando ítems 51-60 de 675
HI debris in the IC 1459 galaxy group
(Oxford University Press, 2018-01)
We present HI synthesis imaging of the giant elliptical galaxy IC 1459 and its surroundings with the Australia Telescope Compact Array. Our search for extended HI emission revealed a large complex of HI clouds near IC 1459, ...
Extreme CO Isotopic Abundances in the ULIRG IRAS 13120-5453: An Extremely Young Starburst or Top-heavy Initial Mass Function
(IOP PUBLISHING LTD, 2017)
We present ALMA (CO)-C-12 (J = 1-0, 3-2 and 6-5), (CO)-C-13(J = 1-0), and (CO)-O-18 (J = 1-0) observations of the local ultraluminous infrared galaxy (ULIRG) IRAS. 13120-5453. The morphologies of the three isotopic species ...
Occurrence of LINER galaxies within the galaxy group environment
(Oxford University Press, 2017-05)
We study the properties of a sample of 3967 low-ionization nuclear emission-line region (LINER) galaxies selected from SDSS-DR7, with respect to their proximity to galaxy groups. The host galaxies of LINERs have been ...
THE NEXT GENERATION VIRGO CLUSTER SURVEY. XXII. SHELL FEATURE EARLY-TYPE DWARF GALAXIES IN THE VIRGO CLUSTER
(IOP PUBLISHING LTD, 2017)
The Next Generation Virgo Cluster Survey is a deep (with a 2 sigma detection limit mu g = 29 mag arcsec(-2) in the g-band) optical panchromatic survey targeting the Virgo cluster from its core to virial radius, for a total ...
Dorado and its member galaxies H alpha imaging of the group backbone
(EDP Science, 2020)
Context. Dorado is a nearby, rich and clumpy galaxy group that extends for several degrees in the southern hemisphere. Although several studies have been dedicated to defining its members, their kinematics, and the hot and ...
Dissecting galaxy triplets in the Sloan Digital Sky Survey Data Release 10 - I. Stellar populations and emission line analysis
(Wiley Blackwell Publishing, Inc, 2016-04)
We identify isolated galaxy triplets in a volume-limited sample from the Sloan Digital Sky Survey Data Release 10. Our final sample has 80 galaxy systems in the redshift range 0.04 ≤ z ≤ 0.1, brighter than Mr = −20.5 + ...
New measurements of radial velocities in clusters of galaxies-V
(EDP SCIENCES S A, 2010)
As a part of our galaxy-cluster redshift survey, we present a set of 79 new velocities in the 4 clusters Abell 376, Abell 970, Abell 1356, and Abell 2244, obtained at Haute-Provence observatory. This set now completes our ...
Ring galaxies in the EAGLE hydrodynamical simulations
(Wiley Blackwell Publishing, Inc, 2018-12)
We study the formation and evolution of ring galaxies in the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations. We use the largest reference model Ref-L100N1504, a cubic cosmological volume of ...
AGNs in small galaxy systems: Comparing the main properties of active objects in pairs, triplets, and groups
(Oxford University Press, 2021-07)
We perform a comparative study of active galactic nuclei (AGNs) in pairs, triplets, and groups. To this end, we use the Duplancic et al. catalogue of small galaxy systems and consider BPT and WHAN diagnostic diagrams to ...
The two-component virial theorem and the physical properties of stellar systems
(Univ Chicago PressChicagoEUA, 2000)