Search Results - "King, O. G."

THE LUMINOSITY FUNCTION OF FERMI-DETECTED FLAT-SPECTRUM RADIO QUASARS by AJELLO, M, SHAW, M. S, STEVENSON, M, ROMANI, R. W, DERMER, C. D, COSTAMANTE, L, KING, O. G, MAX-MOERBECK, W, READHEAD, A, REIMER, A, RICHARDS, J. L

“…Fermi has provided the largest sample of gamma -ray-selected blazars to date. In this work we use a complete sample of flat spectrum radio quasars (FSRQs)…”
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Time correlation between the radio and gamma-ray activity in blazars and the production site of the gamma-ray emission by Max-Moerbeck, W., Hovatta, T., Richards, J. L., King, O. G., Pearson, T. J., Readhead, A. C. S., Reeves, R., Shepherd, M. C., Stevenson, M. A., Angelakis, E., Fuhrmann, L., Grainge, K. J. B., Pavlidou, V., Romani, R. W., Zensus, J. A.

“…In order to determine the location of the gamma-ray emission site in blazars, we investigate the time-domain relationship between their radio and gamma-ray…”
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RoboPol: connection between optical polarization plane rotations and gamma-ray flares in blazars by Blinov, D., Pavlidou, V., Papadakis, I., Kiehlmann, S., Liodakis, I., Panopoulou, G. V., Angelakis, E., Baloković, M., Hovatta, T., King, O. G., Kus, A., Kylafis, N., Mahabal, A., Maharana, S., Myserlis, I., Paleologou, E., Papamastorakis, I., Pazderski, E., Pearson, T. J., Ramaprakash, A., Readhead, A. C. S., Reig, P., Tassis, K., Zensus, J. A.

“…Abstract We use results of our 3 yr polarimetric monitoring programme to investigate the previously suggested connection between rotations of the polarization…”
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RoboPol: do optical polarization rotations occur in all blazars? by Blinov, D., Pavlidou, V., Papadakis, I., Kiehlmann, S., Liodakis, I., Panopoulou, G. V., Pearson, T. J., Angelakis, E., Baloković, M., Hovatta, T., Joshi, V., King, O. G., Kus, A., Kylafis, N., Mahabal, A., Marecki, A., Myserlis, I., Paleologou, E., Papamastorakis, I., Pazderski, E., Prabhudesai, S., Ramaprakash, A., Readhead, A. C. S., Reig, P., Tassis, K., Zensus, J. A.

“…We present a new set of optical polarization plane rotations in blazars, observed during the third year of operation of RoboPol. The entire set of rotation…”
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The RoboPol optical polarization survey of gamma-ray-loud blazars by Pavlidou, V., Angelakis, E., Myserlis, I., Blinov, D., King, O. G., Papadakis, I., Tassis, K., Hovatta, T., Pazderska, B., Paleologou, E., Baloković, M., Feiler, R., Fuhrmann, L., Khodade, P., Kus, A., Kylafis, N., Modi, D., Panopoulou, G., Papamastorakis, I., Pazderski, E., Pearson, T. J., Rajarshi, C., Ramaprakash, A., Readhead, A. C. S., Reig, P., Zensus, J. A.

“…We present first results from RoboPol, a novel-design optical polarimeter operating at the Skinakas Observatory in Crete. The data, taken during the 2013…”
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The C-Band All-Sky Survey (C-BASS): design and implementation of the northern receiver by King, O. G., Jones, Michael E., Blackhurst, E. J., Copley, C., Davis, R. J., Dickinson, C., Holler, C. M., Irfan, M. O., John, J. J., Leahy, J. P., Leech, J., Muchovej, S. J. C., Pearson, T. J., Stevenson, M. A., Taylor, Angela C.

“…The C-Band All-Sky Survey is a project to map the full sky in total intensity and linear polarization at 5 GHz. The northern component of the survey uses a…”
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ASSESSING THE SIGNIFICANCE OF APPARENT CORRELATIONS BETWEEN RADIO AND GAMMA-RAY BLAZAR FLUXES by PAVLIDOU, V, RICHARDS, J. L, ZENSUS, J. A, GIROLETTI, M, REIMER, A, HEALEY, S. E, ROMANI, R. W, SHAW, M. S, MAX-MOERBECK, W, KING, O. G, PARSON, T. J, READHEAD, A. C. S, REEVES, R, STEVENSON, M. A, ANGELAKIS, E, FUHRMANN, L

“…Whether or not a correlation exists between the radio and gamma-ray flux densities of blazars is a long-standing question, and one that is difficult to answer…”
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RoboPol: the optical polarization of gamma-ray-loud and gamma-ray-quiet blazars by Angelakis, E, Hovatta, T, Blinov, D, Pavlidou, V, Kiehlmann, S, Myserlis, I, Bottcher, M, Mao, P, Panopoulou, G V, Liodakis, I, King, O G, Balokovic, M, Kus, A, Kylafis, N, Mahabal, A, Marecki, A, Paleologou, E, Papadakis, I, Papamastorakis, I, Pazderski, E, Pearson, T J, Prabhudesai, S, Ramaprakash, A N, Readhead, A C S, Reig, P, Tassis, K, Urry, M, Zensus, J A

“…We present average R-band optopolarimetric data, as well as variability parameters, from the first and second RoboPol observing season. We investigate whether…”
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The C-Band All-Sky Survey (C-BASS): design and capabilities by Jones, Michael E, Taylor, Angela C, Aich, Moumita, Copley, C J, Chiang, H Cynthia, Davis, R J, Dickinson, C, Grumitt, R D P, Hafez, Yaser, Heilgendorff, Heiko M, Holler, C M, Irfan, M O, Jew, Luke R P, John, J J, Jonas, J, King, O G, Leahy, J P, Leech, J, Leitch, E M, Muchovej, S J C, Pearson, T J, Peel, M W, Readhead, A C S, Sievers, Jonathan, Stevenson, M A, Zuntz, J

“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarization survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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A quasi-periodic oscillation in the blazar J1359+4011 by King, O. G., Hovatta, T., Max-Moerbeck, W., Meier, D. L., Pearson, T. J., Readhead, A. C. S., Reeves, R., Richards, J. L., Shepherd, M. C.

“…The Owens Valley Radio Observatory 40-m telescope has been monitoring the 15-GHz radio flux density of over 1200 blazars since 2008. The 15-GHz light curve of…”
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RoboPol: first season rotations of optical polarization plane in blazars by Blinov, D., Pavlidou, V., Papadakis, I., Kiehlmann, S., Panopoulou, G., Liodakis, I., King, O. G., Angelakis, E., Baloković, M., Das, H., Feiler, R., Fuhrmann, L., Hovatta, T., Khodade, P., Kus, A., Kylafis, N., Mahabal, A., Myserlis, I., Modi, D., Pazderska, B., Pazderski, E., Papamastorakis, I., Pearson, T. J., Rajarshi, C., Ramaprakash, A., Reig, P., Readhead, A. C. S., Tassis, K., Zensus, J. A.

“…We present first results on polarization swings in optical emission of blazars obtained by RoboPol, a monitoring programme of an unbiased sample of gamma-ray…”
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RoboPol: a four-channel optical imaging polarimeter by Ramaprakash, A N, Rajarshi, C V, Das, H K, Khodade, P, Modi, D, Panopoulou, G, Maharana, S, Blinov, D, Angelakis, E, Casadio, C, Fuhrmann, L, Hovatta, T, Kiehlmann, S, King, O G, Kylafis, N, Kougentakis, A, Kus, A, Mahabal, A, Marecki, A, Myserlis, I, Paterakis, G, Paleologou, E, Liodakis, I, Papadakis, I, Papamastorakis, I, Pavlidou, V, Pazderski, E, Pearson, T J, Readhead, A C S, Reig, P, Słowikowska, A, Tassis, K, Zensus, J A

“…ABSTRACT We present the design and performance of RoboPol, a four-channel optical polarimeter operating at the Skinakas Observatory in Crete, Greece. RoboPol…”
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RoboPol: optical polarization-plane rotations and flaring activity in blazars by Blinov, D., Pavlidou, V., Papadakis, I. E., Hovatta, T., Pearson, T. J., Liodakis, I., Panopoulou, G. V., Angelakis, E., Baloković, M., Das, H., Khodade, P., Kiehlmann, S., King, O. G., Kus, A., Kylafis, N., Mahabal, A., Marecki, A., Modi, D., Myserlis, I., Paleologou, E., Papamastorakis, I., Pazderska, B., Pazderski, E., Rajarshi, C., Ramaprakash, A., Readhead, A. C. S., Reig, P., Tassis, K., Zensus, J. A.

“…We present measurements of rotations of the optical polarization of blazars during the second year of operation of RoboPol, a monitoring programme of an…”
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The RoboPol pipeline and control system by King, O. G., Blinov, D., Ramaprakash, A. N., Myserlis, I., Angelakis, E., Baloković, M., Feiler, R., Fuhrmann, L., Hovatta, T., Khodade, P., Kougentakis, A., Kylafis, N., Kus, A., Modi, D., Paleologou, E., Panopoulou, G., Papadakis, I., Papamastorakis, I., Paterakis, G., Pavlidou, V., Pazderska, B., Pazderski, E., Pearson, T. J., Rajarshi, C., Readhead, A. C. S., Reig, P., Steiakaki, A., Tassis, K., Zensus, J. A.

“…We describe the data reduction pipeline and control system for the RoboPol project. The RoboPol project is monitoring the optical R-band magnitude and linear…”
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Optical polarization map of the Polaris Flare with RoboPol by Panopoulou, G., Tassis, K., Blinov, D., Pavlidou, V., King, O. G., Paleologou, E., Ramaprakash, A., Angelakis, E., Baloković, M., Das, H. K., Feiler, R., Hovatta, T., Khodade, P., Kiehlmann, S., Kus, A., Kylafis, N., Liodakis, I., Mahabal, A., Modi, D., Myserlis, I., Papadakis, I., Papamastorakis, I., Pazderska, B., Pazderski, E., Pearson, T. J., Rajarshi, C., Readhead, A. C. S., Reig, P., Zensus, J. A.

“…The stages before the formation of stars in molecular clouds are poorly understood. Insights can be gained by studying the properties of quiescent clouds, such…”
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C-Band All-Sky Survey: a first look at the Galaxy by Irfan, M. O., Dickinson, C., Davies, R. D., Copley, C., Davis, R. J., Ferreira, P. G., Holler, C. M., Jonas, J. L., Jones, Michael E., King, O. G., Leahy, J. P., Leech, J., Leitch, E. M., Muchovej, S. J. C., Pearson, T. J., Peel, M. W., Readhead, A. C. S., Stevenson, M. A., Sutton, D., Taylor, Angela C., Zuntz, J.

“…We present an analysis of the diffuse emission at 5 GHz in the first quadrant of the Galactic plane using two months of preliminary intensity data taken with…”
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The C-Band All-Sky Survey (C-BASS): digital backend for the northern survey by Stevenson, M A, Pearson, T J, Jones, Michael E, Copley, C J, Dickinson, C, John, J J, King, O G, Muchovej, S J C, Taylor, Angela C

“…Abstract The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarization survey at a frequency of 5 GHz, designed to provide data complementary to the…”
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Early-time polarized optical light curve of GRB 131030A by King, O. G., Blinov, D., Giannios, D., Papadakis, I., Angelakis, E., Baloković, M., Fuhrmann, L., Hovatta, T., Khodade, P., Kiehlmann, S., Kylafis, N., Kus, A., Myserlis, I., Modi, D., Panopoulou, G., Papamastorakis, I., Pavlidou, V., Pazderska, B., Pazderski, E., Pearson, T. J., Rajarshi, C., Ramaprakash, A. N., Readhead, A. C. S., Reig, P., Tassis, K., Zensus, J. A.

“…We report the polarized optical light curve of a gamma-ray burst afterglow obtained using the RoboPol instrument. Observations began 655 s after the initial…”
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Astronomical receiver modelling using scattering matrices by King, O. G., Jones, Michael E., Copley, C., Davis, R. J., Leahy, J. P., Leech, J., Muchovej, S. J. C., Pearson, T. J., Taylor, Angela C.

“…Proper modelling of astronomical receivers is vital: it describes the systematic errors in the raw data, guides the receiver design process, and assists data…”
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Connection between optical and γ-ray variability in blazars by Hovatta, T., Pavlidou, V., King, O. G., Mahabal, A., Sesar, B., Dancikova, R., Djorgovski, S. G., Drake, A., Laher, R., Levitan, D., Max-Moerbeck, W., Ofek, E. O., Pearson, T. J., Prince, T. A., Readhead, A. C. S., Richards, J. L., Surace, J.

“…We use optical data from the Palomar Transient Factory (PTF) and the Catalina Real-Time Transient Survey (CRTS) to study the variability of γ-ray-detected and…”
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