Zobrazeno 41 - 50
of 692
pro vyhledávání: '"Kann, D. A."'
Autor:
Pritchard, T. A., Bensch, Katarzyna, Modjaz, Maryam, Williamson, Marc, Thöne, Christina C., Vinkó, J., Bianco, Federica B., Boestroem, K. Azalee, Burke, Jamison, García-Benito, Rubén, Galbany, L., Hiramatsu, Daichi, Howell, D. Andrew, Izzo, Luca, Kann, D. Alexander, McCully, Curtis, Pellegrino, Craig, Postigo, Antonio de Ugarte, Valenti, Stefano, Wang, Xiaofeng, Wheeler, J. C., Xiang, Danfeng, Sárneczky, K., Bódi, A., Cseh, B., Tarczay-Nehéz, D., Kriskovics, L., Ordasi, A., Pál, A., Szakáts, R., Vida, K.
In the last decade a number of rapidly evolving transients have been discovered that are not easily explained by traditional supernovae models. We present optical and UV data on onee such object, SN 2018gep, that displayed a fast rise with a mostly f
Externí odkaz:
http://arxiv.org/abs/2008.04321
Autor:
Vielfaure, J. -B., Vergani, S. D., Japelj, J., Fynbo, J. P. U., Gronke, M., Heintz, K. E., Malesani, D. B., Petitjean, P., Tanvir, N. R., D'Elia, V., Kann, D. A., Palmerio, J. T., Salvaterra, R., Wiersema, K., Arabsalmani, M., Campana, S., Covino, S., De Pasquale, M., Postigo, A. de Ugarte, Hammer, F., Hartmann, D. H., Jakobsson, P., Kouveliotou, C., Laskar, T., Levan, A. J., Rossi, A.
Publikováno v:
A&A 641, A30 (2020)
We present the observations of Lyman continuum (LyC) emission in the afterglow spectra of GRB 191004B at $z=3.5055$, together with those of the other two previously known LyC-emitting long gamma-ray bursts (LGRB) (GRB 050908 at $z=3.3467$, and GRB 06
Externí odkaz:
http://arxiv.org/abs/2006.09377
Autor:
Acciari, V. A., Ansoldi, S., Antonelli, L. A., Engels, A. Arbet, Baack, D., Babić, A., Banerjee, B., de Almeida, U. Barres, Barrio, J. A., González, J. Becerra, Bednarek, W., Bellizzi, L., Bernardini, E., Berti, A., Besenrieder, J., Bhattacharyya, W., Bigongiari, C., Biland, A., Blanch, O., Bonnoli, G., Bošnjak, Ž., Busetto, G., Carosi, R., Ceribella, G., Chai, Y., Chilingaryan, A., Cikota, S., Colak, S. M., Colin, U., Colombo, E., Contreras, J. L., Cortina, J., Covino, S., D'Elia, V., Da Vela, P., Dazzi, F., De Angelis, A., De Lotto, B., Delfino, M., Delgado, J., Depaoli, D., Di Pierro, F., Di Venere, L., Espiñeira, E. Do Souto, Prester, D. Dominis, Donini, A., Dorner, D., Doro, M., Elsaesser, D., Ramazani, V. Fallah, Fattorini, A., Ferrara, G., Fidalgo, D., Foffano, L., Fonseca, M. V., Font, L., Fruck, C., Fukami, S., López, R. J. García, Garczarczyk, M., Gasparyan, S., Gaug, M., Giglietto, N., Giordano, F., Godinović, N., Green, D., Guberman, D., Hadasch, D., Hahn, A., Herrera, J., Hoang, J., Hrupec, D., Hütten, M., Inada, T., Inoue, S., Ishio, K., Iwamura, Y., Jouvin, L., Kerszberg, D., Kubo, H., Kushida, J., Lamastra, A., Lelas, D., Leone, F., Lindfors, E., Lombardi, S., Longo, F., López, M., López-Coto, R., López-Oramas, A., Loporchio, S., Fraga, B. Machado de Oliveira, Maggio, C., Majumdar, P., Makariev, M., Mallamaci, M., Maneva, G., Manganaro, M., Mannheim, K., Maraschi, L., Mariotti, M., Martínez, M., Mazin, D., Mićanović, S., Miceli, D., Minev, M., Miranda, J. M., Mirzoyan, R., Molina, E., Moralejo, A., Morcuende, D., Moreno, V., Moretti, E., Munar-Adrover, P., Neustroev, V., Nigro, C., Nilsson, K., Ninci, D., Nishijima, K., Noda, K., Nogués, L., Nozaki, S., Paiano, S., Palatiello, M., Paneque, D., Paoletti, R., Paredes, J. M., Peñil, P., Peresano, M., Persic, M., Moroni, P. G. Prada, Prandini, E., Puljak, I., Rhode, W., Ribó, M., Rico, J., Righi, C., Rugliancich, A., Saha, L., Sahakyan, N., Saito, T., Sakurai, S., Satalecka, K., Schmidt, K., Schweizer, T., Sitarek, J., Šnidarić, I., Sobczynska, D., Somero, A., Stamerra, A., Strom, D., Strzys, M., Suda, Y., Surić, T., Takahashi, M., Tavecchio, F., Temnikov, P., Terzić, T., Teshima, M., Torres-Albà, N., Tosti, L., Vagelli, V., van Scherpenberg, J., Vanzo, G., Acosta, M. Vazquez, Vigorito, C. F., Vitale, V., Vovk, I., Will, M., Zarić, D., Nava, L., Veres, P., Bhat, P. N., Briggs, M. S., Cleveland, W. H., Hamburg, R., Hui, C. M., Mailyan, B., Preece, R. D., Roberts, O., von Kienlin, A., Wilson-Hodge, C. A., Kocevski, D., Arimoto, M., Tak, D., Asano, K., Axelsson, M., Barbiellini, G., Bissaldi, E., Dirirsa, F. Fana, Gill, R., Granot, J., McEnery, J., Razzaque, S., Piron, F., Racusin, J. L., Thompson, D. J., Campana, S., Bernardini, M. G., Kuin, N. P. M., Siegel, M. H., Cenko, S. Bradley, O'Brien, P., Capalbi, M., D'Aì, A., De Pasquale, M., Gropp, J., Klingler, N., Osborne, J. P., Perri, M., Starling, R., Tagliaferri, G., Tohuvavohu, A., Ursi, A., Tavani, M., Cardillo, M., Casentini, C., Piano, G., Evangelista, Y., Verrecchia, F., Pittori, C., Lucarelli, F., Bulgarelli, A., Parmiggiani, N., Anderson, G. E., Anderson, J. P., Bernardi, G., Bolmer, J., Caballero-García, M. D., Carrasco, I. M., Castellón, A., Segura, N. Castro, Castro-Tirado, A. J., Cherukuri, S. V., Cockeram, A. M., D'Avanzo, P., Di Dato, A., Diretse, R., Fender, R. P., Fernández-García, E., Fynbo, J. P. U., Fruchter, A. S., Greiner, J., Gromadzki, M., Heintz, K. E., Heywood, I., van der Horst, A. J., Hu, Y. -D., Inserra, C., Izzo, L., Jaiswal, V., Jakobsson, P., Japelj, J., Kankare, E., Kann, D. A., Kouveliotou, C., Klose, S., Levan, A. J., Li, X. Y., Lotti, S., Maguire, K., Malesani, D. B., Manulis, I., Marongiu, M., Martin, S., Melandri, A., Michałowski, M., Miller-Jones, J. C. A., Misra, K., Moin, A., Mooley, K. P., Nasri, S., Nicholl, M., Noschese, A., Novara, G., Pandey, S. B., Peretti, E., del Pulgar, C. J. Pérez, Pérez-Torres, M. A., Perley, D. A., Piro, L., Ragosta, F., Resmi, L., Ricci, R., Rossi, A., Sánchez-Ramírez, R., Selsing, J., Schulze, S., Smartt, S. J., Smith, I. A., Sokolov, V. V., Stevens, J., Tanvir, N. R., Thóne, C. C., Tiengo, A., Tremou, E., Troja, E., Postigo, A. de Ugarte, Vergani, S. D., Wieringa, M., Woudt, P. A., Xu, D., Yaron, O., Young, D. R.
Publikováno v:
Nature 575 (2019) 459-463
Long-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterised by an initial phase of bright and highly variable radiation in the keV-MeV band that is lik
Externí odkaz:
http://arxiv.org/abs/2006.07251
Autor:
Antier, S., Agayeva, S., Almualla, M., Awiphan, S., Baransky, A., Barynova, K., Beradze, S., Blažek, M., Boer, M., Burkhonov, O., Christensen, N., Coleiro, A., Corre, D., Coughlin, M. W., Crisp, H., Dietrich, T., Ducoin, J. -G., Duverne, P. -A., Marchal-Duval, G., Gendre, B., Gokuldass, P., Eggenstein, H. B., Eymar, L., Hello, P., Howell, E. J., Ismailov, N., Kann, D. A., Karpov, S., Klotz, A., Kochiashvili, N., Lachaud, C., Leroy, N., Lin, W. L., Li, W. X., Mašek, M., Mo, J., Menard, R., Morris, D., Noysena, K., Orange, N. B., Prouza, M., Rattanamala, R., Sadibekova, T., Saint-Gelais, D., Serrau, M., Simon, A., Stachie, C., Thöne, C. C., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, Vasylenko, V., Vidadi, Z., Was, M., Wang, X. F., Zhang, J. J., Zhang, T. M., Zhang, X. H.
GRANDMA is a network of 25 telescopes of different sizes, including both photometric and spectroscopic facilities. The network aims to coordinate follow-up observations of gravitational-wave candidate alerts, especially those with large localisation
Externí odkaz:
http://arxiv.org/abs/2004.04277
Autor:
Ackley, K., Amati, L., Barbieri, C., Bauer, F. E., Benetti, S., Bernardini, M. G., Bhirombhakdi, K., Botticella, M. T., Branchesi, M., Brocato, E., Bruun, S. H., Bulla, M., Campana, S., Cappellaro, E., Castro-Tirado, A. J., Chambers, K. C., Chaty, S., Chen, T. -W., Ciolfi, R., Coleiro, A., Copperwheat, C. M., Covino, S., Cutter, R., D'Ammando, F., D'Avanzo, P., De Cesare, G., D'Elia, V., Della Valle, M., Denneau, L., De Pasquale, M., Dhillon, V. S., Dyer, M. J., Elias-Rosa, N., Evans, P. A., Eyles-Ferris, R. A. J., Fiore, A., Fraser, M., Fruchter, A. S., Fynbo, J. P. U., Galbany, L., Gall, C., Galloway, D. K., Getman, F. I., Ghirlanda, G., Gillanders, J. H., Gomboc, A., Gompertz, B. P., González-Fernández, C., González-Gaitán, S., Grado, A., Greco, G., Gromadzki, M., Groot, P. J., Gutiérrez, C. P., Heikkilä, T., Heintz, K. E., Hjorth, J., Hu, Y. -D., Huber, M. E., Inserra, C., Izzo, L., Japelj, J., Jerkstrand, A., Jin, Z. P., Jonker, P. G., Kankare, E., Kann, D. A., Kennedy, M., Kim, S., Klose, S., Kool, E. C., Kotak, R., Kuncarayakti, H., Lamb, G. P., Leloudas, G., Levan, A. J., Longo, F., Lowe, T. B., Lyman, J. D., Magnier, E., Maguire, K., Maiorano, E., Mandel, I., Mapelli, M., Mattila, S., McBrien, O. R., Melandri, A., Michałowski, M. J., Milvang-Jensen, B., Moran, S., Nicastro, L., Nicholl, M., Guelbenzu, A. Nicuesa, Nuttal, L., Oates, S. R., O'Brien, P. T., Onori, F., Palazzi, E., Patricelli, B., Perego, A., Torres, M. A. P., Perley, D. A., Pian, E., Pignata, G., Piranomonte, S., Poshyachinda, S., Possenti, A., Pumo, M. L., Quirola-Vásquez, J., Ragosta, F., Ramsay, G., Rau, A., Rest, A., Reynolds, T. M., Rosetti, S. S., Rossi, A., Rosswog, S., Sabha, N. B., Carracedo, A. Sagués, Salafia, O. S., Salmon, L., Salvaterra, R., Savaglio, S., Sbordone, L., Schady, P., Schipani, P., Schultz, A. S. B., Schweyer, T., Smartt, S. J., Smith, K. W., Smith, M., Sollerman, J., Srivastav, S., Stanway, E. R., Starling, R. L. C., Steeghs, D., Stratta, G., Stubbs, C. W., Tanvir, N. R., Testa, V., Thrane, E., Tonry, J. L., Turatto, M., Ulaczyk, K., van der Horst, A. J., Vergani, S. D., Walton, N. A., Watson, D., Wiersema, K., Wiik, K., Wyrzykowski, L., Yang, S., Yi, S. -X., Young, D. R.
Publikováno v:
A&A 643, A113 (2020)
On 2019 August 14, the LIGO and Virgo interferometers detected a high-significance event labelled S190814bv. Preliminary analysis of the GW data suggests that the event was likely due to the merger of a compact binary system formed by a BH and a NS.
Externí odkaz:
http://arxiv.org/abs/2002.01950
Autor:
Misra, K., Resmi, L., Kann, D. A., Marongiu, M., Moin, A., Klose, S., Bernardi, G., Postigo, A. de Ugarte, Jaiswal, V. K., Schulze, S., Perley, D. A., Ghosh, A., Dimple, Kumar, H., Gupta, R., Michałowski, M. J., Martín, S., Cockeram, A., Cherukur, S. V., Bhalerao, V., Anderson, G. E., Pandey, S. B., Anupama, G. C., Thöne, C. C., Barway, S., Wieringa, M. H., Fynbo, J. P. U., Habeeb, N.
We present radio and optical afterglow observations of the TeV-bright long Gamma Ray Burst (GRB) 190114C at a redshift of $z=0.425$, which was detected by the MAGIC telescope. Our observations with ALMA, ATCA, and uGMRT were obtained by our low frequ
Externí odkaz:
http://arxiv.org/abs/1911.09719
Autor:
Postigo, A. de Ugarte, Thöne, C. C., Martın, S., Japelj, J., Levan, A. J., Michałowski, M. J., Selsing, J., Kann, D. A., Schulze, S., Palmerio, J. T., Vergani, S. D., Tanvir, N. R., Bensch, K., Covino, S., D'Elia, V., De Pasquale, M., Fruchter, A. S., Fynbo, J. P. U., Hartmann, D., Heintz, K. E., van der Horst, A. J., Izzo, L., Jakobsson, P., Ng, K. C. Y., Perley, D. A., Rossi, A., Sbarufatti, B., Salvaterra, R., Sánchez-Ramírez, R., Watson, D., Xu, D.
Publikováno v:
A&A 633, A68 (2020)
GRB 190114C is the first GRB for which the detection of very-high energy emission up to the TeV range has been reported. It is still unclear whether environmental properties might have contributed to the production of these very high-energy photons,
Externí odkaz:
http://arxiv.org/abs/1911.07876
Autor:
Melandri, A., Malesani, D. B., Izzo, L., Japelj, J., Vergani, S. D., Schady, P., Carracedo, A. Sagues, Postigo, A. de Ugarte, Anderson, J. P., Barbarino, C., Bolmer, J., Breeveld, A., Calissendorff, P., Campana, S., Cano, Z., Carini, R., Covino, S., D'Avanzo, P., D'Elia, V., della Valle, M., De Pasquale, M., Fynbo, J. P. U., Gromadzki, M., Hammer, F., Hartmann, D. H., Heintz, K. E., Inserra, C., Jakobsson, P., Kann, D. A., Kotilainen, J., Maguire, K., Masetti, N., Nicholl, M., E., F. Olivares, Pugliese, G., Rossi, A., Salvaterra, R., Sollerman, J., Stone, M. B., Tagliaferri, G., Tomasella, L., Thone, C. C., Xu, D., Young, D. R.
The number of supernovae known to be connected with long-duration gamma-ray bursts is increasing and the link between these events is no longer exclusively found at low redshift ($z \lesssim 0.3$) but is well established also at larger distances. We
Externí odkaz:
http://arxiv.org/abs/1910.14160
Autor:
Antier, S., Agayeva, S., Aivazyan, V., Alishov, S., Arbouch, E., Baransky, A., Barynova, K., Bai, J. M., Basa, S., Beradze, S., Bertin, E., Berthier, J., Blazek, M., Boer, M., Burkhonov, O., Burrell, A., Cailleau, A., Chabert, B., Chen, J. C., Christensen, N., Coleiro, A., Cordier, B., Corre, D., Coughlin, M. W., Coward, D., Crisp, H., Delattre, C., Dietrich, T., Ducoin, J. -G., Duverne, P. -A., Marchal-Duva, G., Gendre, B., Eymar, L., Fock-Hang, P., Han, X., Hello, P., Howell, E. J., Inasaridze, R., Ismailov, N., Kann, D. A., Kapanadze, G., Klotz, A., Kochiashvili, N., Lachaud, C., Leroy, N., Van Su, A. Le, Lin, W. L., Li, W. X., Lognone, P., Marron, R., Mo, J., Moore, J., Natsvlishvili, R., Noysena, K., Perrigault, S., Peyrot, A., Samadov, D., Sadibekova, T., Simon, A., Stachie, C., Teng, J. P., Thierry, P., Thone, C. C., Tillayev, Y., Turpin, D., Postigo, A. de Ugarte, Vachier, F., Vardosanidze, M., Vasylenko, V., Vidadi, Z., Wang, X. F., Wang, C. J., Wei, J., Yan, S. Y., Zhang, J. C., Zhang, J. J., Zhang, X. H.
We present the Global Rapid Advanced Network Devoted to the Multi-messenger Addicts (GRANDMA). The network consists of 21 telescopes with both photometric and spectroscopic facilities. They are connected together thanks to a dedicated infrastructure.
Externí odkaz:
http://arxiv.org/abs/1910.11261
New constraints on the physical conditions in H$_2$-bearing GRB-host damped Lyman-$\alpha$ absorbers
Autor:
Heintz, K. E., Bolmer, J., Ledoux, C., Noterdaeme, P., Krogager, J. -K., Fynbo, J. P. U., Jakobsson, P., Covino, S., D'Elia, V., De Pasquale, M., Hartmann, D. H., Izzo, L., Japelj, J., Kann, D. A., Kaper, L., Petitjean, P., Rossi, A., Salvaterra, R., Schady, P., Selsing, J., Starling, R., Tanvir, N. R., Thöne, C. C., Postigo, A. de Ugarte, Vergani, S. D., Watson, D., Wiersema, K., Zafar, T.
Publikováno v:
A&A 629, A131 (2019)
We report the detections of molecular hydrogen (H$_2$), vibrationally-excited H$_2$ (H$^*_2$), and neutral atomic carbon (CI), in two new afterglow spectra of GRBs\,181020A ($z=2.938$) and 190114A ($z=3.376$), observed with X-shooter at the Very Larg
Externí odkaz:
http://arxiv.org/abs/1908.02309