Search Results - "Mundell, C. G."

Significant and Variable Linear Polarization During the Prompt Optical Flash of GRB 160625B by Troja, E, Lipunov, V M, Mundell, C G, Butler, N R, Watson, A M, Kobayashi, S, Cenko, S B, Marshall, F E, Ricci, R, Fruchter, A, Wieringa, M H, Gorbovskoy, E S, Kornilov, V, Kutyrev, A, Lee, W H, Toy, V, Tyurina, N V, Budnev, N M, Buckley, D A H, González, J, Gress, O, Horesh, A, Panasyuk, M I, Prochaska, J X, Ramirez-Ruiz, E, Lopez, R Rebolo, Richer, M G, Román-Zúñiga, C, Serra-Ricart, M, Yurkov, V, Gehrels, N

“…Measurement of polarized light provides a direct probe of magnetic fields in collimated outflows (jets) of relativistic plasma from accreting stellar-mass…”
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A Reverse Shock and Unusual Radio Properties in GRB 160625B by Alexander, K. D., Laskar, T., Berger, E., Guidorzi, C., Dichiara, S., Fong, W., Gomboc, A., Kobayashi, S., Kopac, D., Mundell, C. G., Tanvir, N. R., Williams, P. K. G.

“…We present multi-wavelength observations and modeling of the exceptionally bright long γ-ray burst GRB 160625B. The optical and X-ray data are well fit by…”
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First ALMA Light Curve Constrains Refreshed Reverse Shocks and Jet Magnetization in GRB 161219B by Laskar, Tanmoy, Alexander, Kate D., Berger, Edo, Guidorzi, Cristiano, Margutti, Raffaella, Fong, Wen-fai, Kilpatrick, Charles D., Milne, Peter, Drout, Maria R., Mundell, C. G., Kobayashi, Shiho, Lunnan, Ragnhild, Duran, Rodolfo Barniol, Menten, Karl M., Ioka, Kunihito, Williams, Peter K. G.

“…We present detailed multiwavelength observations of GRB 161219B at z = 0.1475, spanning the radio to X-ray regimes, and the first Atacama Large…”
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A Reverse Shock in GRB 181201A by Laskar, Tanmoy, Eerten, Hendrik van, Schady, Patricia, Mundell, C. G., Alexander, Kate D., Duran, Rodolfo Barniol, Berger, Edo, Bolmer, J., Chornock, Ryan, Coppejans, Deanne L., Fong, Wen-fai, Gomboc, Andreja, Jordana-Mitjans, Núria, Kobayashi, Shiho, Margutti, Raffaella, Menten, Karl M., Sari, Re'em, Yamazaki, Ryo, Lipunov, V. M., Gorbovskoy, E., Kornilov, V. G., Tyurina, N., Zimnukhov, D., Podesta, R., Levato, H., Buckley, D. A. H., Tlatov, A., Rebolo, R., Serra-Ricart, M.

“…We present comprehensive multiwavelength radio to X-ray observations of GRB 181201A spanning from 150 s to 163 days after the burst, comprising the first joint…”
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Nuclear kinematics in nearby AGN – I. An ALMA perspective on the morphology and kinematics of the molecular CO(2–1) emission by Ramakrishnan, V, Nagar, N M, Finlez, C, Storchi-Bergmann, T, Slater, R, Schnorr-Müller, A, Riffel, R A, Mundell, C G, Robinson, A

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Ten per cent polarized optical emission from GRB 090102 by Mundell, C. G, Guidorzi, C, Smith, R. J, Steele, I. A, Kobayashi, S

“…The nature of the jets and the role of magnetic fields in gamma-ray bursts (GRBs) remains unclear. In a baryon-dominated jet only weak, tangled fields…”
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Lowly Polarized Light from a Highly Magnetized Jet of GRB 190114C by Jordana-Mitjans, N., Mundell, C. G., Kobayashi, S., Smith, R. J., Guidorzi, C., Steele, I. A., Shrestha, M., Gomboc, A., Marongiu, M., Martone, R., Lipunov, V., Gorbovskoy, E. S., Buckley, D. A. H., Rebolo, R., Budnev, N. M.

“…We report multicolor optical imaging and polarimetry observations of the afterglow of the first TeV-detected gamma-ray burst (GRB), GRB 190114C, using the…”
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Coherence scale of magnetic fields generated in early-time forward shocks of GRBs by Jordana-Mitjans, N, Mundell, C G, Smith, R J, Guidorzi, C, Marongiu, M, Kobayashi, S, Gomboc, A, Shrestha, M, Steele, I A

“…ABSTRACT We report the earliest ever detection of optical polarization from a GRB forward shock (GRB 141220A), measured $129.5{-}204.3\,$s after the burst…”
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Radio Variability in Seyfert Nuclei by Mundell, C. G, Ferruit, P, Nagar, N, Wilson, A. S

“…Comparison of 8.4 GHz radio images of a sample of eleven, early-type Seyfert galaxies with previous observations reveals possible variation in the nuclear…”
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PHENOMENOLOGY OF REVERSE-SHOCK EMISSION IN THE OPTICAL AFTERGLOWS OF GAMMA-RAY BURSTS by JAPELJ, J, Kopac, D, Kobayashi, S, Harrison, R, Guidorzi, C, Virgili, F J, Mundell, C G, Melandri, A, Gomboc, A

“…We use a parent sample of 118 gamma-ray burst (GRB) afterglows, with known redshift and host galaxy extinction, to separate afterglows with and without…”
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Highly polarized light from stable ordered magnetic fields in GRB 120308A by Mundell, C. G., Kopač, D., Arnold, D. M., Steele, I. A., Gomboc, A., Kobayashi, S., Harrison, R. M., Smith, R. J., Guidorzi, C., Virgili, F. J., Melandri, A., Japelj, J.

“…The immediate optical afterglow of the γ-ray burst GRB 120308A is highly polarized, showing that γ-ray bursts contain magnetized baryonic jets with large-scale…”
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Spectropolarimetry and photometry of the early afterglow of the gamma-ray burst GRB 191221B by Buckley, D A H, Bagnulo, S, Britto, R J, Mao, J, Kann, D A, Cooper, J, Lipunov, V, Hewitt, D M, Razzaque, S, Kuin, N P M, Monageng, I M, Covino, S, Jakobsson, P, van der Horst, A J, Wiersema, K, Böttcher, M, Campana, S, D’Elia, V, Gorbovskoy, E S, Gorbunov, I, Groenewald, D N, Hartmann, D H, Kornilov, V G, Mundell, C G, Podesta, R, Thomas, J K, Tyurina, N, Vlasenko, D, van Soelen, B, Xu, D

“…ABSTRACT We report on results of spectropolarimetry of the afterglow of the long gamma-ray burst GRB 191221B, obtained with SALT/RSS and VLT/FORS2, as well as…”
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An Unexpectedly Small Emission Region Size Inferred from Strong High-frequency Diffractive Scintillation in GRB 161219B by Alexander, K. D., Laskar, T., Berger, E., Johnson, M. D., Williams, P. K. G., Dichiara, S., Fong, W., Gomboc, A., Kobayashi, S., Margutti, R., Mundell, C. G.

“…We present Karl G. Jansky Very Large Array radio observations of the long gamma-ray burst GRB 161219B (z = 0.147) spanning 1-37 GHz. The data exhibit unusual…”
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GRB 091024A AND THE NATURE OF ULTRA-LONG GAMMA-RAY BURSTS by Virgili, F J, Mundell, C G, PAL'SHIN, V, Guidorzi, C, Margutti, R, Melandri, A, Harrison, R, Kobayashi, S, CHORNOCK, R, Henden, A

“…We present a broadband study of gamma-ray burst (GRB) 091024A within the context of other ultra-long-duration GRBs. An unusually long burst detected by…”
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The Early-Time Optical Properties of Gamma-Ray Burst Afterglows by Melandri, A, Mundell, C. G, Kobayashi, S, Guidorzi, C, Gomboc, A, Steele, I. A, Smith, R. J, Bersier, D, Mottram, C. J, Carter, D, Bode, M. F, O’Brien, P. T, Tanvir, N. R, Rol, E, Chapman, R

“…We present a multiwavelength analysis of 63 gamma-ray bursts observed with the world's three largest robotic optical telescopes, the Liverpool and Faulkes…”
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Liverpool Telescope follow-up of candidate electromagnetic counterparts during the first run of Advanced LIGO by Copperwheat, C. M., Steele, I. A., Piascik, A. S., Bersier, D., Bode, M. F., Collins, C. A., Darnley, M. J., Galloway, D. K., Gomboc, A., Kobayashi, S., Lamb, G. P., Levan, A. J., Mazzali, P. A., Mundell, C. G., Pian, E., Pollacco, D., Steeghs, D., Tanvir, N. R., Ulaczyk, K., Wiersema, K.

“…The first direct detection of gravitational waves was made in 2015 September with the Advanced LIGO detectors. By prior arrangement, a worldwide collaboration…”
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New constraints on gamma-ray burst jet geometry and relativistic shock physics by Guidorzi, C., Mundell, C. G., Harrison, R., Margutti, R., Sudilovsky, V., Zauderer, B. A., Kobayashi, S., Cucchiara, A., Melandri, A., Pandey, S. B., Berger, E., Bersier, D., D'Elia, V., Gomboc, A., Greiner, J., Japelj, J., Kopa, D., Kumar, B., Malesani, D., Mottram, C. J., O'Brien, P. T., Rau, A., Smith, R. J., Steele, I. A., Tanvir, N. R., Virgili, F.

“…We use high-quality, multiband observations of Swift GRB 120404A, from γ-ray to radio frequencies, together with the new hydrodynamics code of van Eerten et…”
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Cold Molecular Gas in the Inner Two Kiloparsecs of NGC 4151 by Dumas, G, Schinnerer, E, Mundell, C. G

“…We present the first spatially resolved spectroscopic imaging observations of the {sup 12}CO (1-0) line emission in the central 2.5 kpc of the Seyfert 1 galaxy…”
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GRB 090313 and the Origin of Optical Peaks in Gamma-ray Burst Light Curves: Implications for Lorentz Factors and Radio Flares by Melandri, A, Kobayashi, S, Mundell, C. G, Guidorzi, C, de Ugarte Postigo, A, Pooley, G, Yoshida, M, Bersier, D, Castro-Tirado, A. J, Jelínek, M, Gomboc, A, Gorosabel, J, Kubánek, P, Bremer, M, Winters, J. M, Steele, I. A, de Gregorio-Monsalvo, I, Smith, R. J, García-Appadoo, D, Sota, A, Lundgren, A

“…We use a sample of 19 gamma-ray bursts (GRBs) that exhibit single-peaked optical light curves to test the standard fireball model by investigating the…”
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The optical rebrightening of GRB100814A: an interplay of forward and reverse shocks? by De Pasquale, Massimiliano, Kuin, N. P. M., Oates, S., Schulze, S., Cano, Z., Guidorzi, C., Beardmore, A., Evans, P. A., Uhm, Z. L., Zhang, B., Page, M., Kobayashi, S., Castro-Tirado, A., Gorosabel, J., Sakamoto, T., Fatkhullin, T., Pandey, S. B., Im, M., Chandra, P., Frail, D., Gao, H., Kopač, D., Jeon, Y., Akerlof, C., Huang, K. Y., Pak, S., Park, W.-K., Gomboc, A., Melandri, A., Zane, S., Mundell, C. G., Saxton, C. J., Holland, S. T., Virgili, F., Urata, Y., Steele, I., Bersier, D., Tanvir, N., Sokolov, V. V., Moskvitin, A. S.

“…We present a wide data set of gamma-ray, X-ray, UV/Opt/IR (UVOIR), and radio observations of the Swift GRB100814A. At the end of the slow decline phase of the…”
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