Zobrazeno 1 - 10
of 391
pro vyhledávání: '"Kipper, R."'
Autor:
Laur, J., Tempel, E., Tamm, A., Kipper, R., Liivamägi, L. J., Hernán-Caballero, A., Muru, M. M., Chaves-Montero, J., Díaz-García, L. A., Turner, S., Tuvikene, T., Queiroz, C., Bom, C. R., Fernández-Ontiveros, J. A., Delgado, R. M. González, Civera, T., Abramo, R., Alcaniz, J., Benitez, N., Bonoli, S., Carneiro, S., Cenarro, J., Cristóbal-Hornillos, D., Dupke, R., Ederoclite, A., López-Sanjuan, C., Marín-Franch, A., de Oliveira, C. M., Moles, M., Sodré Jr, L., Taylor, K., Varela, J., Ramió, H. V.
Publikováno v:
A&A 668, A8 (2022)
The importance of photometric galaxy redshift estimation is rapidly increasing with the development of specialised powerful observational facilities. We develop a new photometric redshift estimation workflow TOPz to provide reliable and efficient red
Externí odkaz:
http://arxiv.org/abs/2209.01040
Publikováno v:
In Astronomy and Computing October 2022 41
The cosmic web is a highly complex geometrical pattern, with galaxy clusters at the intersection of filaments and filaments at the intersection of walls. Identifying and describing the filamentary network is not a trivial task due to the overwhelming
Externí odkaz:
http://arxiv.org/abs/1603.08957
Friends-of-friends galaxy group finder with membership refinement. Application to the local Universe
Publikováno v:
A&A 588, A14 (2016)
Context. Groups form the most abundant class of galaxy systems. They act as the principal drivers of galaxy evolution and can be used as tracers of the large-scale structure and the underlying cosmology. However, the detection of galaxy groups from g
Externí odkaz:
http://arxiv.org/abs/1601.01117
The accretion of satellites onto central galaxies along vast cosmic filaments is an apparent outcome of the anisotropic collapse of structure in our Universe. Numerical work (based on gravitational dynamics of N-body simulations) indicates that satel
Externí odkaz:
http://arxiv.org/abs/1502.02046
Publikováno v:
A&A 572, A8 (2014)
Context. Galaxies in the Universe form chains (filaments) that connect groups and clusters of galaxies. The filamentary network includes nearly half of the galaxies and is visually the most striking feature in cosmological maps. Aims. We study the di
Externí odkaz:
http://arxiv.org/abs/1406.4357
Autor:
Tempel, E., Tamm, A., Gramann, M., Tuvikene, T., Liivamägi, L. J., Suhhonenko, I., Kipper, R., Einasto, M., Saar, E.
We provide flux-limited and volume-limited galaxy group and cluster catalogues, based on the spectroscopic sample of the SDSS data release 10 galaxies. We used a modified friends-of-friends (FoF) method with a variable linking length in the transvers
Externí odkaz:
http://arxiv.org/abs/1402.1350
Evolution of galaxies is one of the most actual topics in astrophysics. Among the most important factors determining the evolution are two galactic components which are difficult or even impossible to detect optically: the gaseous disks and the dark
Externí odkaz:
http://arxiv.org/abs/1210.5336
Because of the 3D nature of galaxies, an algorithm for constructing spatial density distribution models of galaxies on the basis of galaxy images has many advantages over surface density distribution approximations. We present a method for deriving s
Externí odkaz:
http://arxiv.org/abs/1205.6319
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