Search Results - "Blandford, R.D"

Blood out of a Stone by Blandford, R.D.

“…Almost 50 years ago, astronomers provided evidence for powerful radio emissions localized in two giant "lobes" on opposite sides of elliptical galaxies. These…”
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Fermi-GBM Discovery of GRB 221009A: An Extraordinarily Bright GRB from Onset to Afterglow by Lesage, S., Veres, P., Briggs, M. S., Goldstein, A., Kocevski, D., Burns, E., Wilson-Hodge, C. A., Huppenkothen, D., Fryer, C. L., Hamburg, R., Racusin, J., Bissaldi, E., Dalessi, S., Fletcher, C., Giles, M. M., Hristov, B. A., Hui, C. M., Malacaria, C., Poolakkil, S., Roberts, O. J., von Kienlin, A., Wood, J., Ajello, M., Baldini, L., Ballet, J., Baring, M. G., Gonzalez, J. Becerra, Bellazzini, R., Blandford, R. D., Bruel, P., Buson, S., Cavazzuti, E., Chiaro, G., Orestano, P. Cristarella, Crnogorcevic, M., Cuoco, A., Cutini, S., De Gaetano, S., Di Lalla, N., Di Venere, L., Fegan, S. J., Fukazawa, Y., Funk, S., Fusco, P., Galanti, G., Gammaldi, V., Gargano, F., Gasbarra, C., Gasparrini, D., Germani, S., Giacchino, F., Gill, R., Giroletti, M., Granot, J., Green, D., Grenier, I. A., Guiriec, S., Hou, X., Kuss, M., Latronico, L., Laviron, A., Lemoine-Goumard, M., Li, J., Liodakis, I., Loparco, F., Lovellette, M. N., Lubrano, P., Manfreda, A., Martí-Devesa, G., McEnery, J. E., Michelson, P. F., Mizuno, T., Moskalenko, I. V., Negro, M., Nuss, E., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Panzarini, G., Persic, M., Pesce-Rollins, M., Pillera, R., Poon, H., Porter, T. A., Principe, G., Rainò, S., Razzano, M., Razzaque, S., Reimer, O., Parkinson, P. M. Saz, Scotton, L., Serini, D., Sgrò, C., Siskind, E. J., Spinelli, P., Torres, D. F., Valverde, J., Venters, T., Wood, K.

“…Abstract We report the discovery of GRB 221009A, the highest flux gamma-ray burst (GRB) ever observed by the Fermi Gamma-ray Burst Monitor (Fermi-GBM). This…”
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MULTIWAVELENGTH STUDY OF QUIESCENT STATES OF Mrk 421 WITH UNPRECEDENTED HARD X-RAY COVERAGE PROVIDED BY NuSTAR IN 2013 by Paneque, D., Ajello, M., Blandford, R. D., Boggs, S. E., Christensen, F. E., Craig, W. W., Giommi, P., Harrison, F. A., Madsen, K. K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Westergaard, N. J., Archambault, S., Barnacka, A., Bugaev, V., Chen, X., Dickinson, H. J., Feng, Q., Finley, J. P., Fleischhack, H., Griffiths, S. T., Grube, J., Håkansson, N., Humensky, T. B., Kertzman, M., Kieda, D., Lang, M. J., Nieto, D., Reynolds, P. T., Santander, M., Sembroski, G. H., Shahinyan, K., Smith, A. W., Telezhinsky, I., Weinstein, A., Williams, D. A., Ahnen, M. L., Ansoldi, S., Babic, A., de Almeida, U. Barres, Biland, A., Blanch, O., Bonnoli, G., Borracci, F., Clavero, R., Colombo, E., Cortina, J., Angelis, A. De, de Oña Wilhelmi, E., Di Pierro, F., Fidalgo, D., Hanabata, Y., Hrupec, D., Idec, W., Kodani, K., Lelas, D., Lindfors, E., Lombardi, S., Majumdar, P., Maneva, G., Manganaro, M., Marcote, B., Martínez, M., Mazin, D., Miranda, J. M., Nilsson, K., Paredes, J. M., Poutanen, J., Moroni, P. G. Prada, Puljak, I., Satalecka, K., Schultz, C., Sillanpää, A., Snidaric, I., Terzi, T., Torres, D. F., Toyama, T., Treves, A., Will, M., Verrecchia, F., Leto, C., Villata, M., Berdyugin, A., Grishina, T. S., Ibryamov, S., Joshi, M., Larionova, E. G., Latev, G., Nikolashvili, M. G., Semkov, E., Strigachev, A., Troitskaya, Yu. V., Troitsky, I. S., Vince, O., Readhead, A. C. R., Tornikoski, M., Tammi, J., Myserlis, I.

“…ABSTRACT We present coordinated multiwavelength observations of the bright, nearby BL Lacertae object Mrk 421 taken in 2013 January-March, involving GASP-WEBT,…”
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Gamma-Ray Flares from the Crab Nebula by Abdo, A.A, Ajello, M, Baldini, L, Ballet, J, Bastieri, D, Bellazzini, R, Bloom, E.D, Bouvier, A, Bregeon, J, Brez, A, Brigida, M, Buehler, R, Buson, S, Cameron, R.A, Cannon, A, Casandjian, J.M, Çelik, Ö, Charles, E, Cheung, C.C, Ciprini, S, Claus, R, Costamante, L, Cutini, S, Dermer, C.D, de Angelis, A, de Luca, A, Digel, S.W, Drell, P.S, Fegan, S.J, Focke, W.B, Fortin, P, Fukazawa, Y, Funk, S, Fusco, P, Gehrels, N, Germani, S, Giglietto, N, Giroletti, M, Grondin, M.-H, Grove, J.E, Guiriec, S, Hanabata, Y, Harding, A.K, Hayashida, M, Hays, E, Itoh, R, Jóhannesson, G, Khangulyan, D, Kamae, T, Katagiri, H, Kerr, M, Knödlseder, J, Kuss, M, Lande, J, Latronico, L, Lee, S.-H, Lemoine-Goumard, M, Madejski, G.M, Makeev, A, Marelli, M, Michelson, P.F, Mitthumsiri, W, Mizuno, T, Monte, C, Moskalenko, I.V, Murgia, S, Naumann-Godo, M, Nuss, E, Omodei, N, Paneque, D, Pelassa, V, Pepe, M, Piron, F, Porter, T.A, Rainò, S, Rando, R, Ray, P.S, Razzano, M, Reimer, A, Reimer, O, Ritz, S, Romani, R.W, Sadrozinski, H.F.-W, Parkinson, P.M. Saz, Scargle, J.D, Sgrò, C, Siskind, E.J, Smith, P.D, Spandre, G, Spinelli, P, Strickman, M.S, Thayer, J.B, Troja, E, Uchiyama, Y, Vandenbroucke, J, Vasileiou, V, Vianello, G, Vitale, V, Yang, Z, Ziegler, M

“…A young and energetic pulsar powers the well-known Crab Nebula. Here, we describe two separate gamma-ray (photon energy greater than 100 mega-electron volts)…”
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Detection of 16 Gamma-Ray Pulsars Through Blind Frequency Searches Using the Fermi LAT by Abdo, A.A, Ajello, M, Axelsson, M, Barbiellini, G, Baring, M.G, Baughman, B.M, Bechtol, K, Berenji, B, Bignami, G.F, Blandford, R.D, Bloom, E.D, Borgland, A.W, Bregeon, J, Brez, A, Bruel, P, Caraveo, P.A, Casandjian, J.M, Chiang, J, Cohen-Tanugi, J, Cutini, S, Dermer, C.D, de Angelis, A, de Luca, A, de Palma, F, Digel, S.W, Dormody, M, do Couto e Silva, E, Drell, P.S, Favuzzi, C, Fukazawa, Y, Fusco, P, Gasparrini, D, Gehrels, N, Giommi, P, Glanzman, T, Hanabata, Y, Hayashida, M, Johnson, R.P, Johnson, T.J, Johnson, W.N, Kamae, T, Kerr, M, Knödlseder, J, Lande, J, Latronico, L, Longo, F, Loparco, F, Lovellette, M.N, Madejski, G.M, Makeev, A, Marelli, M, McEnery, J.E, Meurer, C, Mizuno, T, Monte, C, Monzani, M.E, Moskalenko, I.V, Murgia, S, Nolan, P.L, Norris, J.P, Ohsugi, T, Omodei, N, Ormes, J.F, Pepe, M, Porter, T.A, Primack, J.R, Rainò, S, Rando, R, Reimer, A, Reimer, O, Ritz, S, Rochester, L.S, Rodriguez, A.Y, Ryde, F, Sadrozinski, H.F.-W, Sanchez, D, Sander, A, Parkinson, P.M. Saz, Sgrò, C, Siskind, E.J, Smith, D.A, Smith, P.D, Starck, J.-L, Suson, D.J, Tajima, H, Takahashi, T, Tanaka, T, Thayer, J.G, Torres, D.F, Tosti, G, Tramacere, A, Uchiyama, Y, Vitale, V, Wang, P, Watters, K, Winer, B.L, Wolff, M.T, Wood, K.S, Ylinen, T, Ziegler, M

“…Pulsars are rapidly rotating, highly magnetized neutron stars emitting radiation across the electromagnetic spectrum. Although there are more than 1800 known…”
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Gamma-Ray Emission from the Shell of Supernova Remnant W44 Revealed by the Fermi LAT by Abdo, A.A, Ajello, M, Barbiellini, G, Bastieri, D, Bechtol, K, Berenji, B, Bonamente, E, Borgland, A.W, Burnett, T.H, Caliandro, G.A, Caraveo, P.A, Casandjian, J.M, Cecchi, C, Chiang, J, Ciprini, S, Cognard, I, Cominsky, L.R, Cutini, S, Dermer, C.D, de Angelis, A, do Couto e Silva, E, Dumora, D, Espinoza, C, Farnier, C, Favuzzi, C, Focke, W.B, Fortin, P, Fukazawa, Y, Funk, S, Gehrels, N, Giebels, B, Giglietto, N, Godfrey, G, Grenier, I.A, Grondin, M.-H, Grove, J.E, Guillemot, L, Guiriec, S, Hanabata, Y, Hayashida, M, Jackson, M.S, Jóhannesson, G, Johnson, A.S, Johnson, T.J, Johnson, W.N, Kamae, T, Katagiri, H, Kataoka, J, Katsuta, J, Kawai, N, Kerr, M, Knödlseder, J, Kramer, M, Longo, F, Loparco, F, Lott, B, Lovellette, M.N, Lubrano, P, Madejski, G.M, Mazziotta, M.N, Meurer, C, Monte, C, Monzani, M.E, Morselli, A, Moskalenko, I.V, Norris, J.P, Nuss, E, Ohsugi, T, Ormes, J.F, Parent, D, Pelassa, V, Pesce-Rollins, M, Piron, F, Razzano, M, Reimer, A, Reimer, O, Rochester, L.S, Romani, R.W, Ryde, F, Sadrozinski, H.F.-W, Sander, A, Sgrò, C, Siskind, E.J, Smith, D.A, Smith, P.D, Stappers, B.W, Stecker, F.W, Strickman, M.S, Suson, D.J, Tajima, H, Takahashi, H, Thayer, J.G, Tibolla, O, Torres, D.F, Tramacere, A, Venter, C, Vilchez, N, Wood, K.S, Yamazaki, R, Ylinen, T

“…Recent observations of supernova remnants (SNRs) hint that they accelerate cosmic rays to energies close to approximately 10¹⁵ electron volts. However, the…”
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Population of Gamma-Ray Millisecond Pulsars Seen with the Fermi Large Area Telescope by Abdo, A.A, Ackermann, M, Ajello, M, Atwood, W.B, Axelsson, M, Bastieri, D, Bellazzini, R, Berenji, B, Bignami, G.F, Bonamente, E, Borgland, A.W, Bregeon, J, Burnett, T.H, Caliandro, G.A, Cameron, R.A, Casandjian, J.M, Cecchi, C, Charles, E, Chekhtman, A, Cheung, C.C, Claus, R, Cominsky, L.R, Corbet, R, Cutini, S, Dermer, C.D, de Angelis, A, de Luca, A, Dormody, M, Drell, P.S, Edmonds, Y, Farnier, C, Favuzzi, C, Focke, W.B, Frailis, M, Funk, S, Fusco, P, Gargano, F, Giebels, B, Glanzman, T, Grove, J.E, Hanabata, Y, Harding, A.K, Hays, E, Johnson, A.S, Johnson, R.P, Johnson, T.J, Johnson, W.N, Katagiri, H, Kataoka, J, Kawai, N, Kerr, M, Kuss, M, Lande, J, Lemoine-Goumard, M, Longo, F, Lott, B, Manchester, R.N, Marelli, M, Mazziotta, M.N, McConville, W, McLaughlin, M.A, Michelson, P.F, Mitthumsiri, W, Mizuno, T, Moiseev, A.A, Monte, C, Monzani, M.E, Norris, J.P, Ohsugi, T, Omodei, N, Orlando, E, Parent, D, Pepe, M, Porter, T.A, Rainò, S, Razzano, M, Reimer, A, Reposeur, T, Rochester, L.S, Schalk, T.L, Sgrò, C, Smith, P.D, Stappers, B.W, Starck, J.L, Strickman, M.S, Suson, D.J, Tajima, H, Takahashi, H, Theureau, G, Thompson, D.J, Thorsett, S.E, Tosti, G, Usher, T.L, Vasileiou, V, Vilchez, N, Vitale, V, Wallace, E, Winer, B.L, Wood, K.S, Ziegler, M

“…Pulsars are born with subsecond spin periods and slow by electromagnetic braking for several tens of millions of years, when detectable radiation ceases. A…”
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Detection of High-Energy Gamma-Ray Emission from the Globular Cluster 47 Tucanae with Fermi by Abdo, A.A, Ajello, M, Atwood, W.B, Baldini, L, Baughman, B.M, Bechtol, K, Blandford, R.D, Bloom, E.D, Bonamente, E, Borgland, A.W, Bregeon, J, Brez, A, Brigida, M, Burnett, T.H, Caliandro, G.A, Caraveo, P.A, Casandjian, J.M, Cecchi, C, Charles, E, Chaty, S, Cheung, C.C, Ciprini, S, Claus, R, Cutini, S, Dermer, C.D, de Palma, F, Digel, S.W, do Couto e Silva, E, Dumora, D, Frailis, M, Gehrels, N, Germani, S, Giebels, B, Giglietto, N, Giordano, F, Glanzman, T, Grove, J.E, Guillemot, L, Guiriec, S, Hanabata, Y, Harding, A.K, Horan, D, Hughes, R.E, Jóhannesson, G, Johnson, A.S, Johnson, R.P, Johnson, T.J, Kamae, T, Katagiri, H, Kawai, N, Knödlseder, J, Kuehn, F, Kuss, M, Latronico, L, Lemoine-Goumard, M, Loparco, F, Lott, B, Lovellette, M.N, Makeev, A, Mazziotta, M.N, Meurer, C, Michelson, P.F, Mitthumsiri, W, Moiseev, A.A, Monzani, M.E, Morselli, A, Murgia, S, Nuss, E, Ohsugi, T, Omodei, N, Ormes, J.F, Panetta, J.H, Pelassa, V, Pierbattista, M, Razzano, M, Rea, N, Reimer, O, Reposeur, T, Rochester, L.S, Rodriguez, A.Y, Romani, R.W, Roth, M, Ryde, F, Sadrozinski, H.F.-W, Smith, D.A, Spandre, G, Starck, J.-L, Strickman, M.S, Tajima, H, Thayer, J.B, Thayer, J.G, Tibaldo, L, Torres, D.F, Tramacere, A, Uchiyama, Y, Usher, T.L, Vasileiou, V, Vilchez, N, Winer, B.L, Wood, K.S

“…We report the detection of gamma-ray emissions above 200 megaelectron volts at a significance level of 17σ from the globular cluster 47 Tucanae, using data…”
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Fermi Gamma-Ray Space Telescope Discovers the Pulsar in the Young Galactic Supernova Remnant CTA 1 by Abdo, A.A, Barbiellini, G, Bastieri, D, Bechtol, K, Berenji, B, Bogaert, G, Bonamente, E, Borgland, A.W, Bregeon, J, Brez, A, Burnett, T.H, Caliandro, G.A, Caraveo, P.A, Charles, E, Chekhtman, A, Cheung, C.C, Ciprini, S, Claus, R, Cominsky, L.R, Cutini, S, Davis, D.S, Dermer, C.D, de Angelis, A, de Palma, F, Drell, P.S, Dubois, R, Dumora, D, Focke, W.B, Fusco, P, Gargano, F, Gasparrini, D, Giglietto, N, Godfrey, G, Grenier, I.A, Guillemot, L, Guiriec, S, Harding, A.K, Hartman, R.C, Hays, E, Hughes, R.E, Jóhannesson, G, Johnson, A.S, Johnson, R.P, Johnson, T.J, Kamae, T, Kanbach, G, Kiziltan, B, Knödlseder, J, Kuehn, F, Kuss, M, Latronico, L, Lemoine-Goumard, M, Longo, F, Lonjou, V, Lubrano, P, Makeev, A, Mazziotta, M.N, McEnery, J.E, McGlynn, S, Meurer, C, Michelson, P.F, Moiseev, A.A, Monzani, M.E, Morselli, A, Nakamori, T, Nuss, E, Ohsugi, T, Orlando, E, Ormes, J.F, Ozaki, M, Parent, D, Pelassa, V, Pesce-Rollins, M, Piron, F, Porter, T.A, Ray, P.S, Razzano, M, Reimer, A, Reimer, O, Reposeur, T, Ritz, S, Rochester, L.S, Rodriguez, A.Y, Romani, R.W, Roth, M, Sadrozinski, H.F.-W, Sanchez, D, Sander, A, Parkinson, P.M. Saz, Schalk, T.L, Suson, D.J, Takahashi, H, Tanaka, T, Thayer, J.B, Torres, D.F, Vitale, V, Winer, B.L, Wood, K.S, Yasuda, H, Ziegler, M

“…Energetic young pulsars and expanding blast waves [supernova remnants (SNRs)] are the most visible remains after massive stars, ending their lives, explode in…”
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Weak Gravitational Lensing by Galaxies by Brainerd, Tereasa G., Blandford, Roger D., Smail, Ian

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Q1146+111B,C quasar pair: illusion or delusion? by PHINNEY, E.S, BLANDFORD, R.D

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The Anatomy of a Quadruply Imaged Gravitational Lens System by Suyu, Sherry H., Blandford, R.D., /Caltech /KIPAC, Menlo Park

“…The key to using a strong gravitational lens system to measure the Hubble constant is to obtain an accurate model of the lens potential. In this paper, we…”
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Theory of extragalactic radio sources by BEGELMAN, M. C, BLANDFORD, R. D

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A complete infrared Einstein ring in the gravitational lens system B1938 + 666 by King, L.J., Jackson, N., Blandford, R.D., Bremer, M.N., Browne, I.W.A., De Bruyn, A.G., Fassnacht, C., Koopmans, L., Marlow, D., Wilkinson, P.N.

“…We report the discovery, using NICMOS on the Hubble Space Telescope, of an arcsec-diameter Einstein ring in the gravitational lens system B1938 + 666. The…”
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Black Holes and Relativistic Jets by Blandford, R. D.

“…There is strong observational evidence that AGN, Galactic X-ray transients and (probably) γ-ray bursts are associated with black holes, and that these sources…”
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Gravitational lensing by Blandford, R.D.

“…One of the most promising uses of extragalactic gravitational lenses is as probes of the distribution of dark matter in the universe. Some recent results and…”
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A complete infrared Einstein ring in the gravitational lens system B1938 + 666 by King, L.J., Jackson, N., Blandford, R.D., Bremer, M.N., Browne, I.W.A., De Bruyn, A.G., Fassnacht, C., Koopmans, L., Marlow, D., Wilkinson, P.N.

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Gravitational Lens Optics by Blandford, R. D., Kochanek, C. S., Kovner, Israel, Narayan, Ramesh

“…Several instances of multiple imaging of cosmologically distant sources by intervening galaxies and galaxy clusters have been discovered over the past decade…”
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Decay and regeneration of the galactic magnetic field in the presence of magnetic monopoles by ARONS, J, BLANDFORD, R. D

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Amplification of Radiation by Relativistic Particles in a Strong Magnetic Field by Blandford, R. D., Rees, M. J.

“…The possibility of maser action by relativistic charged particles confined to one-dimensional motion in a strong magnetic field is considered. It is shown that…”
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