18 citations · 26 across the 2 of their papers we have counts for
8 papers · 1 filter
Stars and gas in the Medusa merger
E. Manthey, S. Huettemeister, S. Aalto +2
The Medusa (NGC 4194) is a well-studied nearby galaxy with the disturbed appearance of a merger and evidence for ongoing star formation. In order to test whether it could be the re…
Stars and gas in the very large interacting galaxy NGC 6872
Cathy Horellou, Baerbel Koribalski
The dynamical evolution of the large (> 100 kpc), barred spiral galaxy NGC 6872 and its small companion IC 4970 in the southern group Pavo is investigated. We present N-body simula…
Probing the cosmic microwave background temperature using the Sunyaev-Zeldovich effect
Cathy Horellou, Martin Nord, Daniel Johansson +1
We discuss the possibility to constrain the relation between redshift and temperature of the cosmic microwave background (CMB) using multifrequency Sunyaev-Zeldovich (SZ) observati…
A wavelet add-on code for new-generation N-body simulations and data de-noising (JOFILUREN)
Alessandro B. Romeo, Cathy Horellou, Joeran Bergh
Wavelets are a new and powerful mathematical tool, whose most celebrated applications are data compression and de-noising. In Paper I (Romeo, Horellou & Bergh 2003, astro-ph/030234…
Assessing the galaxy population out to z ~ 2 using the Hubble Deep Field South
Theresa Wiegert, Duilia F. de Mello, Cathy Horellou
In this work we use the Hubble Deep Field South (HDF-S) version 2 images to assess the galaxy population out to z ~ 2. We have used two methods of templates fitting of the spectral…
N-body simulations with two-orders-of-magnitude higher performance using wavelets
Alessandro B. Romeo, Cathy Horellou, Joeran Bergh
Noise is a problem of major concern for N-body simulations of structure formation in the early Universe, of galaxies and plasmas. Here for the first time we use wavelets to remove…