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Stephen Fegan

Associate Research Scientist, CNRS

  • 52013
    Citations
1999 …2026

Research activity per year

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  • Characterizing Candidate Blazar Counterparts of the Ultra-high-energy Event KM3-230213A

    KM3NeT Collaboration, MessMapp Group, Fermi LAT Collaboration, Owens Valley Radio Observatory 40-m Telescope Group & SVOM Collaboration, 1 Sept 2026, In: Astronomical Journal. 172, 3, 139.

    Research output: Contribution to journal › Article › peer-review

  • Chasing Gamma-Ray Signals from Binary Neutron Star Coalescences with the Cherenkov Telescope Array: Prospects and Observing Strategies

    (CTAO Consortium), 10 Jun 2026, In: Astrophysical Journal. 1004, 1, 46.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Combined dark matter search towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS

    Fermi LAT Collaboration, HAWC Collaboration, H.E.S.S. Collaboration, MAGIC Collaboration & VERITAS collaboration, 1 Mar 2026, In: Journal of Cosmology and Astroparticle Physics. 2026, 3, 035.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    1 Citation (Scopus)

  • Fermi detection of gamma-ray emission from the hot coronae of radio-quiet active galactic nuclei

    Fermi-LAT Collaboration, 1 Jul 2025, In: Nature Astronomy. 9, 7, p. 1086-1097 12 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    8 Citations (Scopus)

  • GRB 221009A: The B.O.A.T. Burst that Shines in Gamma Rays

    Fermi LAT Collaboration & Fermi GBM collaboration, 1 Mar 2025, In: Astrophysical Journal, Supplement Series. 277, 1, 24.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    21 Citations (Scopus)

  • newASTROGAM – The New MeV to GeV Gamma-ray Observatory

    newASTROGAM proposal team, 30 Dec 2025, In: Proceedings of Science. 501, 572.

    Research output: Contribution to journal › Conference article › peer-review

    Open Access
    1 Citation (Scopus)

  • Prospects for dark matter observations in dwarf spheroidal galaxies with the Cherenkov Telescope Array Observatory

    Abe, K., Abe, S., Abhir, J., Abhishek, A., Acero, F., Acharyya, A., Adam, R., Aguasca-Cabot, A., Agudo, I., Aguirre-Santaella, A., Alfaro, J., Alfaro, R., Alispach, C., Alves Batista, R., Amans, J. P., Amato, E., Ambrosi, G., Ambrosino, D., Ambrosino, F. & Angel, L. & 474 others, Antonelli, L. A., Aramo, C., Arcaro, C., Asano, K., Ascasibar, Y., Augusto Stuani, L., Backes, M., Balazs, C., Balbo, M., Baquero Larriva, A., Barbosa Martins, V., Barrio, J. A., Barrios-Jiménez, L., Bartolini, C., Batista, P. I., Batković, I., Batzofin, R., Becerra González, J., Beck, G., Becker Tjus, J., Benbow, W., Berge, D., Bernardini, E., Bernete, J., Berti, A., Bertucci, B., Beshley, V., Bhattacharjee, P., Bhattacharyya, S., Bigongiari, C., Biland, A., Bissaldi, E., Blanch, O., Blazek, J., Bonnoli, G., Bonollo, A., Bosnjak, Z., Bottacini, E., Böttcher, M., Bringmann, T., Bronzini, E., Brose, R., Brunelli, G., Buces Sáez, J., Bunse, M., Burmistrov, L., Burton, M., Calisse, P. G., Campoy-Ordaz, A., Cantlay, B. K., Capasso, G., Caproni, A., Capuzzo-Dolcetta, R., Caraveo, P., Caroff, S., Carosi, R., Carquin, E., Carrasco, M. S., Cascone, E., Castignani, G., Castro-Tirado, A. J., Cerasole, D., Cerruti, M., Cerviño Cortínez, A., Chadwick, P. M., Chai, Y., Chaty, S., Chen, A. W., Chen, Y., Chernyakova, M., Chiavassa, A., Chon, G., Chudoba, J., Cicciari, G. M., Cifuentes, A., Coimbra Araujo, C. H., Colapietro, M., Conforti, V., Contreras, J. L., Cornejo, B., Cortina, J., Costa, A., Costantini, H., Cotter, G., Cristofari, P., Cuevas, O., Curtis-Ginsberg, Z., D’Amico, G., D’Ammando, F., David, L., Dazzi, F., De Angelis, A., de Bony de Lavergne, M., De Frondat Laadim, F., de Gouveia Dal Pino, E. M., De Lotto, B., de Naurois, M., De Palma, G., de Souza, V., Del Burgo, R., del Peral, L., del Valle, M. V., Delgado, C., della Volpe, D., Depaoli, D., Di Girolamo, T., Di Piano, A., Di Pierro, F., Di Tria, R., Di Venere, L., Diebold, S., Dinesh, A., Djuvsland, J., Donini, A., Dörner, J., Doro, M., Duangchan, C., Ducci, L., Dwarkadas, V. V., Ebr, J., Eckner, C., Egberts, K., Elsässer, D., Emery, G., Escañuela Nieves, C., Escarate, P., Escobar Godoy, M., Esposito, P., Ettori, S., Falceta-Goncalves, D., Fedorova, E., Fegan, S., Feng, Q., Ferrand, G., Ferrarotto, F., Fiandrini, E., Fiasson, A., Filipovic, M., Fioretti, V., Foffano, L., Fontaine, G., Frías García-Lago, F., Fukazawa, Y., Fukui, Y., Furniss, A., Galanti, G., Galaz, G., Gallozzi, S., Gammaldi, V., García Soto, S., Garczarczyk, M., Gasbarra, C., Gasparrini, D., Gaug, M., Germani, S., Ghalumyan, A., Gianotti, F., Giesbrecht Formiga Paiva, J. G., Giglietto, N., Giordano, F., Giuffrida, R., Glicenstein, J. F., Glombitza, J., Goldoni, P., González, J. M., Goulart Coelho, J., Gradetzke, T., Granot, J., Gréaux, L., Green, D., Green, J. G., Grolleron, G., Guedes, L. M. V., Gueta, O., Hadasch, D., Hamal, P., Hanlon, W., Hara, S., Harvey, V. M., Hassan, T., Hayashi, K., Heß, B., Heckmann, L., Heller, M., Hiroshima, N., Hnatyk, B., Hnatyk, R., Hoffmann, D., Hofmann, W., Horan, D., Horvath, P., Hrupec, D., Hussain, S., Iarlori, M., Inada, T., Incardona, F., Inoue, S., Inoue, Y., Iocco, F., Iuliano, A., Jahanvi, Jamrozy, M., Janecek, P., Jankowsky, F., Jarnot, C., Jaroschewski, I., Jean, P., Jiménez Martínez, I., Jin, W., Jurysek, J., Kalekin, O., Karas, V., Kataoka, J., Kaufmann, S., Kazanas, D., Keita, T., Kerszberg, D., Kieda, D. B., Kissmann, R., Kluźniak, W., Kohri, K., Kolar, D., Komin, N., Kornecki, P., Kowal, G., Kubo, H., Kushida, J., La Barbera, A., La Palombara, N., Lacave, B., Láinez, M., Lamastra, A., Lapington, J., Lazarević, S., Lenain, J. P., Leone, F., Leonora, E., Li, Y., Lindfors, E., Linhoff, M., Lombardi, S., Longo, F., López-Coto, R., López-Moya, M., López-Oramas, A., Loporchio, S., Lozano Bahilo, J., Luciani, H., Luque-Escamilla, P. L., Lyard, E., Macias, O., Mackey, J., Majumdar, P., Malyshev, D., Mandat, D., Mangano, S., Manicò, G., Marchetti, A., Mariotti, M., Márquez, I., Marsella, G., Martín Domínguez, D., Martínez, G. A., Martínez, M., Martinez, O., Mazin, D., Mello, A. J. T. S., Méndez Gallego, J., Menon, S., Mereghetti, S., Meyer, D. M. A., Meyer, M., Miceli, D., Miceli, M., Michailidis, M., Miener, T., Miranda, J. M., Mitchell, A., Molero, M., Molfese, C., Molina Delicado, M., Molina, E., Montaruli, T., Moralejo, A., Moreno Ramos, A., Morselli, A., Moulin, E., Moya Zamanillo, V., Munari, K., Murach, T., Muraczewski, A., Muraishi, H., Nakamori, T., Nemmen, R., Neto, J. P., Niemiec, J., Nieto, D., Nievas Rosillo, M., Nikołajuk, M., Nishijima, K., Noda, K., Nosek, D., Novotny, V., Nozaki, S., Okumura, A., Olive, J. F., Ong, R. A., Orito, R., Orlandini, M., Orlando, E., Orlando, S., Otero-Santos, J., Oya, I., Ozlati Moghadam, M., Pagliaro, A., Palatiello, M., Pandey, A., Panebianco, G., Paneque, D., Pantaleo, F. R., Paoletti, R., Paredes, J. M., Parmiggiani, N., Patricelli, B., Pech, M., Pecimotika, M., Peresano, M., Pérez Aguilera, A., Pérez-Romero, J., Peron, G., Perrotta, F., Persic, M., Petruk, O., Pfeifle, F., Pietropaolo, E., Pinchbeck, L., Pintore, F., Pirola, G., Pittori, C., Podobnik, F., Pohl, M., Poireau, V., Pollet, V., Ponti, G., Pozo González, C., Prandini, E., Principe, G., Prouza, M., Pueschel, E., Pühlhofer, G., Pumo, M. L., Quirrenbach, A., Rainò, S., Rando, R., Recchia, S., Regeard, M., Reimer, A., Reimer, O., Reis, I., Reisenegger, A., Rhode, W., Ribó, M., Ricci, C., Richtler, T., Rico, J., Rieger, F., Riitano, L., Ríos, C., Rizi, V., Roache, E., Rodríguez-Fernández, G., Rodríguez Frías, M. D., Rodríguez-Vázquez, J. J., Romano, P., Romeo, G., Rosado, J., Rosales de Leon, A., Rowell, G., Roy, A., Rudak, B., Ruina, A., Ruiz-Velasco, E., Queiroz, F. S., Sadeh, I., Saha, L., Salzmann, H., Sánchez-Conde, M., Sangiorgi, P., Sano, H., Santos-Lima, R., Sapienza, V., Sarkar, S., Saturni, F. G., Savarese, S., Savchenko, V., Scherer, A., Schiavone, F., Schipani, P., Schussler, F., Sengupta, D., Sergijenko, O., Sguera, V., Siejkowski, H., Silvestri, G., Simongini, A., Siqueira, C., Sliusar, V., Sofia, I., Sol, H., Spiga, D., Spinello, S., Stamerra, A., Stanič, S., Starecki, T., Starling, R., Stolarczyk, T., Suda, Y., Tajima, H., Takahashi, M., Takeishi, R., Tanaka, S. J., Tejedor, L. A., Teshima, M., Testa, V., Tian, W. W., Tibaldo, L., Tibolla, O., Tingay, S. J., Tombesi, F., Tonev, D., Torradeflot, F., Torres, D. F., Tothill, N., Tramacere, A., Travnicek, P., Trois, A., Truzzi, S., Tutone, A., Vacula, M., van Eldik, C., Vandenbroucke, J., Vassiliev, V., Vázquez Acosta, M., Vecchi, M., Ventura, S., Vercellone, S., Verna, G., Viale, I., Viana, A., Viaux, N., Vigliano, A., Vignatti, J., Vigorito, C. F., Visentin, E., Vitale, V., Voitsekhovskyi, V., Vorobiov, S., Voutsinas, G., Walter, R., Wechakama, M., White, M., Wierzcholska, A., Wohlleben, F., Xotta, F., Yamazaki, R., Yao, Y., Yoshikoshi, T., Zavrtanik, D., Zavrtanik, M., Zech, A., Zhang, W., Zhdanov, V. I., Živec, M. & Zuriaga-Puig, J., 1 Dec 2025, In: Monthly Notices of the Royal Astronomical Society. 544, 3, p. 2946-2986 41 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    1 Citation (Scopus)

  • Revisiting Two Decades of GRB Observations: Assessing Missed Very High-Energy Detections and Future Prospects

    Ashkar, H., Fegan, S. & Sangaré, A., 30 Dec 2025, In: Proceedings of Science. 501, 555.

    Research output: Contribution to journal › Conference article › peer-review

    Open Access

  • The H.E.S.S. Extragalactic sky survey with the first decade of observations

    Aharonian, F., Ait Benkhali, F., Aschersleben, J., Ashkar, H., Backes, M., Barbosa Martins, V., Batzofin, R., Becherini, Y., Berge, D., Bernlöhr, K., Böttcher, M., Boisson, C., Bolmont, J., De Bony De Lavergne, M., Borowska, J., Bouyahiaoui, M., Bradascio, F., Brose, R., Brown, A. & Brun, F. & 122 others, Bruno, B., Bulik, T., Burger-Scheidlin, C., Bylund, T., Casanova, S., Celic, J., Cerruti, M., Chand, T., Chandra, S., Chen, A., Chibueze, J., Chibueze, O., Cotter, G., Cristofari, P., Mbarubucyeye, J. D., Davids, I. D., Devin, J., Djuvsland, J., Dmytriiev, A., Egberts, K., Einecke, S., Fegan, S., Fontaine, G., Funk, S., Gabici, S., Glicenstein, J. F., Glombitza, J., Goswami, P., Grolleron, G., Haerer, L., Hea, B., Hinton, J. A., Hofmann, W., Holch, T. L., Holler, M., Horns, D., Huang, Z., Jamrozy, M., Jankowsky, F., Jardin-Blicq, A., Kasai, E., Katarzyaski, K., Khatoon, R., Khélifi, B., Komin, N., Kosack, K., Kostunin, D., Kundu, A., Lang, R. G., Le Stum, S., Lemière, A., Lemoine-Goumard, M., Lenain, J. P., Leuschner, F., Luashvili, A., Mackey, J., Malyshev, D., Marandon, V., Martí-Devesa, G., Marx, R., Mehta, A., Mitchell, A., Moderski, R., Mohrmann, L., Montanari, A., De Naurois, M., Niemiec, J., O-Brien, P., Olivera-Nieto, L., De Ona Wilhelmi, E., Ostrowski, M., Panny, S., Panter, M., Pensec, U., Pühlhofer, G., Punch, M., Quirrenbach, A., Ravikularaman, S., Regeard, M., Reimer, A., Reimer, O., Reis, I., Ren, H., Reville, B., Rieger, F., Rowell, G., Rudak, B., Ruiz-Velasco, E., Sahakian, V., Salzmann, H., Sanchez, D. A., Santangelo, A., Sasaki, M., Schäfer, J., Schüssler, F., Shapopi, J. N. S., Sharma, A., Sol, H., Spencer, S., Stawarz, Steenkamp, R., Steinmassl, S., Steppa, C., Suzuki, H., Takahashi, T., Tanaka, T., Taylor, A. M., Terrier, R., Thakur, A., Tsirou, M., Van Eldik, C., Vecchi, M., Venter, C., Vink, J., Völk, H. J., Wach, T., Wagner, S. J., Wierzcholska, A., Zacharias, M., Zdziarski, A. A., Zech, A. & Åywucka, N., 1 Mar 2025, In: Astronomy and Astrophysics. 695, A261.

    Research output: Contribution to journal › Article › peer-review

    Open Access
    2 Citations (Scopus)

  • All sky archival search for FRB high energy counterparts with Swift and Fermi

    Ashkar, H., El Bouhaddouti, M., Fegan, S. & Schüssler, F., 27 Sept 2024, In: Proceedings of Science. 444, 555.

    Research output: Contribution to journal › Conference article › peer-review

View all 490 research outputs