O
O. Melnyk
Researcher at University of Zagreb
Publications - 9
Citations - 418
O. Melnyk is an academic researcher from University of Zagreb. The author has contributed to research in topics: Redshift & Supercluster. The author has an hindex of 6, co-authored 9 publications receiving 358 citations. Previous affiliations of O. Melnyk include National Academy of Sciences of Ukraine & Taras Shevchenko National University of Kyiv.
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Journal ArticleDOI
The XXL Survey - I. Scientific motivations − XMM-Newton observing plan − Follow-up observations and simulation programme
Marguerite Pierre,Florian Pacaud,C. Adami,Sinan Aliş,Sinan Aliş,Bruno Altieri,N. Baran,C. Benoist,Mark Birkinshaw,Angela Bongiorno,Malcolm N. Bremer,Marcella Brusa,A. Butler,Paolo Ciliegi,L. Chiappetti,Nicolas Clerc,Pier Stefano Corasaniti,Jean Coupon,C. De Breuck,J. Démoclès,Shantanu Desai,J. Delhaize,Julien Devriendt,Y. Dubois,Dominique Eckert,Andrii Elyiv,Stefano Ettori,August E. Evrard,L. Faccioli,Arya Farahi,Chiara Ferrari,François Finet,François Finet,Sotiria Fotopoulou,N. Fourmanoit,Poshak Gandhi,Fabio Gastaldello,R. Gastaud,I. Georgantopoulos,Paul Giles,L. Guennou,L. Guennou,V. Guglielmo,Cathy Horellou,K. Husband,Minh Huynh,A. Iovino,Martin Kilbinger,Elias Koulouridis,S. Lavoie,A. M. C. Le Brun,J. P. Le Fevre,C. Lidman,M. Lieu,Chieh-An Lin,Adam Mantz,Ben J Maughan,Sophie Maurogordato,Ian G. McCarthy,Sean L. McGee,Jean-Baptiste Melin,O. Melnyk,O. Melnyk,Felipe Menanteau,Mladen Novak,S. Paltani,Manolis Plionis,Manolis Plionis,Bianca M. Poggianti,Daniel Pomarède,Emanuela Pompei,Trevor J. Ponman,M. E. Ramos-Ceja,Piero Ranalli,David Rapetti,S. Raychaudury,Thomas H. Reiprich,H. J. A. Röttgering,E. Rozo,Eli S. Rykoff,T. Sadibekova,José Paulo Santos,J. L. Sauvageot,C. Schimd,Mauro Sereno,Graham P. Smith,Vernesa Smolčić,Steven L. Snowden,David N. Spergel,S. A. Stanford,Jean Surdej,Patrick Valageas,A. Valotti,I. Valtchanov,Cristian Vignali,Jon Willis,F. Ziparo +96 more
TL;DR: The XXL-XMM survey as discussed by the authors provides constraints on the dark energy equation of state from the space-time distribution of clusters of galaxies and serves as a pathfinder for future, wide-area X-ray missions.
Journal ArticleDOI
The XXL Survey - VI. The 1000 brightest X-ray point sources
Sotiria Fotopoulou,Florian Pacaud,Stéphane Paltani,Piero Ranalli,M. E. Ramos-Ceja,L. Faccioli,Manolis Plionis,Manolis Plionis,C. Adami,Angela Bongiorno,Marcella Brusa,Marcella Brusa,L. Chiappetti,Seema Y Desai,Andrii Elyiv,Andrii Elyiv,Christer Lidman,O. Melnyk,Marguerite Pierre,Enrico Piconcelli,Cristian Vignali,Cristian Vignali,Sinan Aliş,F. Ardila,Stéphane Arnouts,Ivan K. Baldry,Malcolm N. Bremer,Dominique Eckert,L. Guennou,Cathy Horellou,A. Iovino,Elias Koulouridis,Jochen Liske,Sophie Maurogordato,Felipe Menanteau,Joseph J. Mohr,Matt S. Owers,Bianca M. Poggianti,E. Pompei,T. Sadibekova,A. Stanford,Richard J. Tuffs,Jon Willis +42 more
TL;DR: In this paper, the authors presented the first release of the XXL-1000-AGN point source catalogue including four optical photometry bands and redshift estimates in the 2-10 keV energy band with the goal of providing a sizable sample useful for AGN studies.
Journal ArticleDOI
The XXL Survey: XXVII. The 3XLSS point source catalogue
L. Chiappetti,Sotiria Fotopoulou,Christopher Lidman,L. Faccioli,Florian Pacaud,Andrii Elyiv,Andrii Elyiv,Stéphane Paltani,Marguerite Pierre,Manolis Plionis,C. Adami,Sinan Aliş,Bruno Altieri,Ivan K. Baldry,M. Bolzonella,Angela Bongiorno,Michael J. I. Brown,Simon P. Driver,E. Elmer,P. Franzetti,Meiert W. Grootes,V. Guglielmo,V. Guglielmo,A. Iovino,Elias Koulouridis,J. P. Lefevre,Jochen Liske,Sophie Maurogordato,O. Melnyk,O. Melnyk,Matt S. Owers,Matt S. Owers,Bianca M. Poggianti,Maria del Carmen Polletta,Maria del Carmen Polletta,E. Pompei,Trevor J. Ponman,Aaron S. G. Robotham,T. Sadibekova,Richard J. Tuffs,Ivan Valtchanov,Cristian Vignali,Cristian Vignali,Glenn Wagner +43 more
TL;DR: In this paper, the authors present the version of the point source catalogue of the XXL Survey that was used, in part, in the first series of XXL papers, and present the basic properties of the X-ray point sources and their counterparts.
Journal ArticleDOI
The XXL Survey: VI. The 1000 brightest X-ray point sources
Sotiria Fotopoulou,Florian Pacaud,Stéphane Paltani,Piero Ranalli,M. E. Ramos-Ceja,L. Faccioli,Manolis Plionis,Manolis Plionis,C. Adami,Angela Bongiorno,Marcella Brusa,Marcella Brusa,L. Chiappetti,Seema Y Desai,Andrii Elyiv,Andrii Elyiv,Christer Lidman,O. Melnyk,Marguerite Pierre,Enrico Piconcelli,Cristian Vignali,Cristian Vignali,Sinan Aliş,F. Ardila,Stéphane Arnouts,Ivan K. Baldry,Malcolm N. Bremer,Dominique Eckert,L. Guennou,Cathy Horellou,A. Iovino,Elias Koulouridis,Jochen Liske,Sophie Maurogordato,Felipe Menanteau,Joseph J. Mohr,Matt S. Owers,Bianca M. Poggianti,E. Pompei,T. Sadibekova,A. Stanford,Richard J. Tuffs,Jon Willis +42 more
TL;DR: In this paper, the authors presented the first release of the XXL point source catalogue in the 2-10 keV energy band with limiting flux $F 2 -10keV = 4.8\cdot10^{-14}\rm{erg\,s^{-1}\,cm^{-2}
Journal ArticleDOI
The XXL Survey: XXI. the environment and clustering of X-ray AGN in the XXL-South field
O. Melnyk,O. Melnyk,Andrii Elyiv,Vernesa Smolčić,Manolis Plionis,Manolis Plionis,Elias Koulouridis,Sotiria Fotopoulou,L. Chiappetti,C. Adami,N. Baran,A. Butler,J. Delhaize,Ivan Delvecchio,F. Finet,Minh Huynh,C. Lidman,Marguerite Pierre,Emanuela Pompei,Cristian Vignali,Jean Surdej +20 more
TL;DR: In this article, the authors focus on the environment and properties of the X-ray selected active galactic nuclei (AGN) population from the XXL survey and investigate its possible role in AGN triggering and evolution.