J
J. M. Coloma
Researcher at INAF
Publications - 19
Citations - 1112
J. M. Coloma is an academic researcher from INAF. The author has contributed to research in topics: Blazar & Asteroid. The author has an hindex of 15, co-authored 19 publications receiving 1043 citations.
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Journal ArticleDOI
The unprecedented optical outburst of the quasar 3C 454.3 - The WEBT campaign of 2004–2005
M. Villata,C. M. Raiteri,Thomas J. Balonek,Margo F. Aller,Svetlana G. Jorstad,Omar M. Kurtanidze,Fabrizio Nicastro,Fabrizio Nicastro,Fabrizio Nicastro,Kari Nilsson,Hugh D. Aller,A. Arai,A. A. Arkharov,U. Bach,Erika Benítez,Andrei Berdyugin,Carla Buemi,Markus Böttcher,D. Carosati,Ricard Casas,A. Caulet,Wen Ping Chen,P.-S. Chiang,Yi Chou,Stefano Ciprini,J. M. Coloma,G. Di Rico,C. Díaz,N. V. Efimova,N. V. Efimova,C. Forsyth,Antonio Frasca,Lars Fuhrmann,Lars Fuhrmann,Bryce Gadway,S. Gupta,Vladimir A. Hagen-Thorn,Vladimir A. Hagen-Thorn,Jonathan E. Harvey,Jochen Heidt,H. Hernandez-Toledo,Filip Hroch,Chin-Ping Hu,René Hudec,Mansur Ibrahimov,Akira Imada,M. Kamata,Taichi Kato,M. Katsuura,Tatiana S. Konstantinova,E. N. Kopatskaya,D. Kotaka,Yuri Y. Kovalev,Yuri Y. Kovalev,Yu. A. Kovalev,Thomas P. Krichbaum,K. Kubota,M. Kurosaki,L. Lanteri,Valeri M. Larionov,Valeri M. Larionov,L. V. Larionova,Eija Laurikainen,C.-U. Lee,Paolo Leto,Anne Lähteenmäki,Omar López-Cruz,E. Marilli,Alan P. Marscher,I. M. McHardy,Soumen Mondal,B. Mullan,N. Napoleone,Maria G. Nikolashvili,J. M. Ohlert,S. Postnikov,T. Pursimo,M. Ragni,J. A. Ros,Kozo Sadakane,A. C. Sadun,Tuomas Savolainen,E. A. Sergeeva,Lorand A. Sigua,A. Sillanpää,L. Sixtova,Naoko Sumitomo,L. O. Takalo,Harri Teräsranta,Merja Tornikoski,Corrado Trigilio,G. Umana,A. E. Volvach,B. Voss,S. Wortel +94 more
TL;DR: In this article, a large multi-wavelength campaign was organized by the Whole Earth Blazar Telescope (WEBT) to follow the emission behavior of the radio quasar 3C 454.3.
Journal ArticleDOI
The WEBT BL Lacertae Campaign 2001 and its extension. Optical light curves and colour analysis 1994-2002
M. Villata,C. M. Raiteri,Omar M. Kurtanidze,Maria G. Nikolashvili,Mansur Ibrahimov,I. E. Papadakis,I. E. Papadakis,G. Tosti,F. Hroch,L. O. Takalo,A. Sillanpää,Vladimir A. Hagen-Thorn,Vladimir A. Hagen-Thorn,Valeri M. Larionov,Valeri M. Larionov,R. D. Schwartz,J. Basler,L. F. Brown,Thomas J. Balonek,Erika Benítez,Aurora Ramírez,A. C. Sadun,P. Boltwood,Michael T. Carini,D. Barnaby,J. M. Coloma,J. A. Ros,Ben-Zhong Dai,Ben-Zhong Dai,Guang-Zhong Xie,Guang-Zhong Xie,J. R. Mattox,D. Rodriguez,I. M. Asfandiyarov,A. Atkerson,J. L. Beem,Steven D. Bloom,S. M. Chanturiya,Stefano Ciprini,S. Crapanzano,J. A. de Diego,N. V. Efimova,D. Gardiol,J. C. Guerra,B. B. Kahharov,Bidzina Kapanadze,H. Karttunen,Taichi Kato,Givi N. Kimeridze,Nadia Kudryavtseva,Markku Lainela,L. Lanteri,Elena G. Larionova,M. Maesano,N. Marchili,Giuseppe Massone,T. Monroe,F. Montagni,Roberto Nesci,K. Nilsson,J. C. Noble,Giuliano Nucciarelli,L. Ostorero,J. Papamastorakis,J. Papamastorakis,M. Pasanen,C. S. Peters,T. Pursimo,Pablo Reig,Pablo Reig,W. T. Ryle,S. Sclavi,Lorand A. Sigua,Makoto Uemura,W. Wills +74 more
TL;DR: In this paper, the authors present UBVRI light curves obtained by the Whole Earth Blazar Telescope (WEBT) from 1994 to 2002, including the last, extended BL Lac 2001 campaign.
Journal ArticleDOI
Asteroids’ physical models from combined dense and sparse photometry and scaling of the YORP effect by the observed obliquity distribution
Josef Hanus,Josef Ďurech,Miroslav Brož,Anna Marciniak,Brian D. Warner,Frederick Pilcher,Robert D. Stephens,Raoul Behrend,Benoit Carry,D. Čapek,P. Antonini,M. Audejean,K. Augustesen,E. Barbotin,P. Baudouin,A. Bayol,L. Bernasconi,W. Borczyk,J.-G. Bosch,E. Brochard,L. Brunetto,S. Casulli,A. Cazenave,S. Charbonnel,B. Christophe,François Colas,J. M. Coloma,M. Conjat,Walt Cooney,H. Correira,V. Cotrez,A. Coupier,R. Crippa,M. Cristofanelli,Ch. Dalmas,C. Danavaro,C. Demeautis,T. Droege,R. Durkee,N. Esseiva,Maria J. Esteban,M. Fagas,G. Farroni,M. Fauvaud,S. Fauvaud,F. Del Freo,Lilia M. Urdaneta García,S. Geier,C. Godon,K. Grangeon,Hiroko Hamanowa,N. Heck,S. Hellmich,David Higgins,R. Hirsch,Marek Husárik,T. Itkonen,O. Jade,Krzysztof Kamiński,Paweł Kankiewicz,Alain Klotz,R. A. Koff,Agnieszka Kryszczyńska,T. Kwiatkowski,A. Laffont,A. Leroy,J. Lecacheux,Y. Leonie,C. Leyrat,Federico Manzini,A. Martin,Gianluca Masi,D. Matter,J. Michałowski,Michał J. Michałowski,Tadeusz Michalowski,J. Michelet,R. Michelsen,E. Morelle,Stefano Mottola,R. Naves,J. Nomen,Julian Oey,Waldemar Ogloza,A. Oksanen,Dagmara Oszkiewicz,P. Pääkkönen,M. Paiella,H. Pallares,J. Paulo,M. Pavic,B. Payet,Magdalena Polińska,David Polishook,R. Poncy,Y. Revaz,C. Rinner,M. Rocca,A. Roche,D. Romeuf,R. Roy,H. Saguin,P. A. Salom,Sébastien Sanchez,G. Santacana,Toni Santana-Ros,J.-P. Sareyan,K. Sobkowiak,S. Sposetti,D. A. Starkey,R. Stoss,J. Strajnic,J.-P. Teng,B. Tregon,A. Vagnozzi,F. P. Velichko,N. Waelchli,K. Wagrez,H. Wücher +118 more
TL;DR: In this article, the authors compared the observed pole latitude distribution of all asteroids with known convex shape models with the simulated pole latitude distributions and presented 119 new asteroid shape models derived from combined dense and sparse-in-time photometry.
Journal ArticleDOI
The radio delay of the exceptional 3C 454.3 outburst - Follow-up WEBT observations in 2005–2006
M. Villata,C. M. Raiteri,Margo F. Aller,Uwe Bach,Uwe Bach,Mansur Ibrahimov,Yuri Y. Kovalev,Yuri Y. Kovalev,Yuri Y. Kovalev,Omar M. Kurtanidze,Valeri M. Larionov,Valeri M. Larionov,C.-U. Lee,Paolo Leto,Anne Lähteenmäki,K. Nilsson,T. Pursimo,J. A. Ros,Naoko Sumitomo,A. E. Volvach,Hugh D. Aller,A. Arai,Carla Buemi,J. M. Coloma,V. T. Doroshenko,Yu. S. Efimov,Lars Fuhrmann,Lars Fuhrmann,Lars Fuhrmann,Vladimir A. Hagen-Thorn,Vladimir A. Hagen-Thorn,M. Kamada,M. Katsuura,Tatiana S. Konstantinova,E. N. Kopatskaya,D. Kotaka,Yu. A. Kovalev,M. Kurosaki,L. Lanteri,L. V. Larionova,M. G. Mingaliev,Sahori Mizoguchi,K. Nakamura,M. G. Nikolashvili,Shinji Nishiyama,Kozo Sadakane,S. G. Sergeev,Lorand A. Sigua,A. Sillanpää,Richard L. Smart,L. O. Takalo,Ken'ichi Tanaka,Merja Tornikoski,Corrado Trigilio,G. Umana +54 more
TL;DR: In this paper, the authors investigated the expected correlation and time delays between the optical and radio emissions in order to derive information on the variability mechanisms and jet structure of the blazar 3C 454.3.
Journal ArticleDOI
Another look at the BL Lacertae flux and spectral variability:Observations by GASP-WEBT, XMM- Newton, and Swift in 2008-2009
C. M. Raiteri,M. Villata,L. Bruschini,Alessandro Capetti,Omar M. Kurtanidze,Valeri M. Larionov,Valeri M. Larionov,P. Romano,S. Vercellone,I. Agudo,I. Agudo,Hugh D. Aller,M. F. Aller,A. A. Arkharov,U. Bach,Andrei Berdyugin,Dmitry A. Blinov,Markus Böttcher,Carla Buemi,P. Calcidese,D. Carosati,Ricard Casas,Wen Ping Chen,J. M. Coloma,C. Diltz,A. Di Paola,Mauro Dolci,N. V. Efimova,E. Forné,José L. Gómez,Mark Gurwell,Antti Hakola,Talvikki Hovatta,Talvikki Hovatta,H. Y. Hsiao,B. Jordan,S. G. Jorstad,Ekaterina Koptelova,Sofia O. Kurtanidze,Anne Lähteenmäki,Elena G. Larionova,Paolo Leto,Elina Lindfors,R. Ligustri,Alan P. Marscher,D. A. Morozova,M. G. Nikolashvili,Kari Nilsson,J. A. Ros,P. Roustazadeh,A. C. Sadun,A. Sillanpää,J. Sainio,L. O. Takalo,Merja Tornikoski,Corrado Trigilio,Ivan S. Troitsky,G. Umana +57 more
TL;DR: In this paper, the authors investigated the role of the helical jet model in the broad-band emission and variability properties of BL Lacertae, and showed that the jet geometry can play an extremely important role in the source's flux and spectral v ariability.