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Dissecting ultra-diffuse galaxies in the field
A. Vanzanella, K. Malek, Junais +16
Context. Ultra-diffuse galaxies (UDGs) in the field are faint, diffuse systems that remain poorly represented in the literature due to the need for spectroscopic confirmation and t…
A UNIONS view of the brightest central galaxies of candidate fossil groups
Aline Chu, F. Durret, A. Ellien +10
The formation process of fossil groups (FGs) is still under debate, and large samples of such objects are still missing. The aim of this paper is to increase the sample of known FG…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).XI. Two dimensional H kinematics of the edge-on ram pressure stripped galaxy NGC 4330
M. M. Sardaneta, P. Amram, A. Boselli +18
Using the VESTIGE survey, a deep narrow-band H imaging survey of the Virgo cluster carried on at the CFHT with MegaCam, we discovered a long diffuse tail of ionised gas in the e…
DAWIS, a Detection Algorithm with Wavelets for Intracluster light Studies
A. Ellien, E. Slezak, N. Martinet +6
Large amounts of deep optical images will be available in the near future, allowing statistically significant studies of low surface brightness structures such as intracluster ligh…
NGC 4104: a shell galaxy in a forming fossil group
G. B. Lima Neto, F. Durret, T. F. Laganá +4
Groups are the most common association of galaxies in the Universe, found in different configuration states such as loose, compact and fossil groups. We have studied the galaxy gro…
Candidate fossil groups in the CFHTLS: a probabilistic approach
C. Adami, F. Sarron, N. Martinet +1
Fossil groups (FGs) have been discovered twenty-five years ago, and are now defined as galaxy groups with an X-ray luminosity higher than erg s and a…