Results 41 to 50 of about 53,348 (269)

Galaxy Merging and the Fundamental Plane of Elliptical Galaxies [PDF]

, 2006
We present preliminary results of numerical simulations of dissipationless merging of stellar systems, aimed at exploring the consequences of merging between gas free, spheroidal systems. In particular, we study the dynamical and structural characteristics of hierarchical merging between equal mass stellar systems, and we compare the properties of the ...
Nipoti, Carlo, Londrillo, Pasquale, Ciotti, Luca   +2 more
openaire   +2 more sources

Resolving the Extended Stellar Halos of Nearby Galaxies: The Wide-Field PISCeS Survey

Galaxies, 2017
The wide-field Panoramic Imaging Survey of Centaurus and Sculptor (PISCeS) investigates the resolved stellar halos of two nearby galaxies (the spiral NGC 253 and the elliptical Centaurus A, D ∼ 4 Mpc) out to a galactocentric radius of 150 kpc ...
Denija Crnojević
doaj   +1 more source

Influence of major mergers on the radio emission of elliptical galaxies

, 2012
We investigate the influence of major mergers on the radio emission of elliptical galaxies. We use a complete sample of close pairs, which contains 475 merging and 1828 non-merging paired elliptical galaxies of ...
Altschuler, Auriemma, Barton, Becker, Best, Best, Brown, Calvani, Condon, Condon, Feretti, Giuricin, González Delgado, Govoni, Heckman, Heckman, Heckman, Hummel, Hummel, J. L. Han, Keel, Kocevski, L. G. Hou, Lambas, McCarthy, Ramos Almeida, Robaina, Sanders, Schawinski, Schawinski, Stocke, Tadhunter, Tal, Wen, White, Wilkinson, Y. H. Wen, Z. L. Wen   +37 more
core   +1 more source

The Way We Measure: Comparison of Methods to Derive Radial Surface Brightness Profiles [PDF]

, 2016
The breaks and truncations in the luminosity profile of face-on spiral galaxies offer valuable insights in their formation history. The traditional method of deriving the surface photometry profile for face-on galaxies is to use elliptical averaging.
de Jong, R. S., Peters, S. P. C., van der Kruit, P. C.   +2 more
core   +2 more sources

Stable models of elliptical galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 2003
26 ...
Guo, Yan, Rein, Gerhard
openaire   +2 more sources

Searching for tidal tails - investigating galaxy harassment

, 2005
Galaxy harassment has been proposed as a physical process that morphologically transforms low surface density disc galaxies into dwarf elliptical galaxies in clusters.
Aboufadel, Babul, Bernstein, Binggeli, Butcher, Calcaneo-Roldan, Conselice, Dekel, Dressler, Efstathiou, Feldmeier, Ferguson, Gregg, Henriksen, J. I. Davies, Kambas, Klypin, Kogut, Mateo, Moore, Moore, Moore, Moore, Roberts, S. Roberts, S. Sabatini, Sabatini, Sabatini, Trentham, Trentham, Tully   +30 more
core   +1 more source

Angular Momentum across the Hubble sequence from the CALIFA survey [PDF]

, 2014
We investigate the stellar angular momentum of galaxies across the Hubble sequence from the CALIFA survey. The distribution of CALIFA elliptical and lenticular galaxies in the $\lambda_{\rm Re}-\epsilon_{\rm e}$ diagram is consistent with that shown by ...
collaboration, the CALIFA, Falcón-Barroso, Jesús, Lyubenova, Mariya, van de Ven, Glenn   +3 more
core   +1 more source

The Shapes and Ages of Elliptical Galaxies [PDF]

Monthly Notices of the Royal Astronomical Society, 1996
Normally elliptical galaxies are thought to be old, evolved systems, but recently a controversy has arisen over the age of ellipticals. Measurements by Gonzáles (1993, Ph.D. thesis, UCSC) show that the Hβ absorption indices of ellipticals span a range of values.
Jong, R, Davies, R
openaire   +6 more sources

How non-linear scaling relations unify dwarf and giant elliptical galaxies

, 2010
Dwarf elliptical galaxies are frequently excluded from bright galaxy samples because they do not follow the same linear relations in diagrams involving effective half light radii R_e or mean effective surface brightnesses _e.
A.W. Graham, Andredakis, Baldry, Begelman, Bender, Caon, Carter, Carter, Côté, Davies, Davies, de Rijcke, Djorgovski, D’Onofrio, Ebisuzaki, Emsellem, Falcón-Barroso, Ferrarese, Fisher, Gadotti, Gargiulo, Gavazzi, Graham, Graham, Graham, Graham, Graham, Graham, Graham, Graham, Graham, Greene, Held, Jerjen, Kormendy, Kormendy, Kormendy, Krajnović, La Barbera, Matković, Merritt, Metcalfe, Peletier, Skelton, Tolstoy, Trujillo, Young, Young, Zaritsky   +48 more
core   +1 more source

Patterns of wild meat and other protein consumption in the periphery of Salonga National Park, Democratic Republic of the Congo

People and Nature, EarlyView.
Abstract In Central Africa, human activities are severely impacting terrestrial and aquatic wildlife, threatening the food security of millions of people. Accordingly, sustainable use of wildlife is crucial for the nutrition and livelihoods of many rural communities in the region.
Zolo Admettons, Mattia Bessone, Josué Ausse Baraka, Josué Engombe Botomia, Espérance Miezi, Bénédicte Nsilu, Jonathan Nkamisha Mukole, Michel Opelele Omeno, Jean Semeki Ngabinzeke, Barbara Fruth   +9 more
wiley   +1 more source