Search Results - "BARTKO, H"

The Orbit of the Star S2 Around SGR A from Very Large Telescope and Keck Data by Gillessen, S, Eisenhauer, F, Fritz, T. K, Bartko, H, Dodds-Eden, K, Pfuhl, O, Ott, T, Genzel, R

“…Two recent papers (Ghez et al. 2008; Gillessen et al. 2009) have estimated the mass of and the distance to the massive black hole (MBH) in the center of the…”
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An Extremely Top-Heavy Initial Mass Function in the Galactic Center Stellar Disks by Bartko, H, Martins, F, Trippe, S, Fritz, T. K, Genzel, R, Ott, T, Eisenhauer, F, Gillessen, S, Paumard, T, Alexander, T, Dodds-Eden, K, Gerhard, O, Levin, Y, Mascetti, L, Nayakshin, S, Perets, H. B, Perrin, G, Pfuhl, O, Reid, M. J, Rouan, D, Zilka, M, Sternberg, A

“…We present new observations of the nuclear star cluster in the central parsec of the Galaxy with the adaptive optics assisted, integral field spectrograph…”
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The Two States of Sgr A in the Near-infrared: Bright Episodic Flares on Top of Low-level Continuous Variability by Dodds-Eden, K, Gillessen, S, Fritz, T. K, Eisenhauer, F, Trippe, S, Genzel, R, Ott, T, Bartko, H, Pfuhl, O, Bower, G, Goldwurm, A, Porquet, D, Trap, G, Yusef-Zadeh, F

“…In this paper, we examine properties of the variable source Sgr A* in the near-infrared (NIR) using a very extensive Ks-band data set from NACO/VLT…”
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Evidence for X-Ray Synchrotron Emission from Simultaneous Mid-Infrared to X-Ray Observations of a Strong Sgr A Flare by Dodds-Eden, K, Porquet, D, Trap, G, Quataert, E, Haubois, X, Gillessen, S, Grosso, N, Pantin, E, Falcke, H, Rouan, D, Genzel, R, Hasinger, G, Goldwurm, A, Yusef-Zadeh, F, Clenet, Y, Trippe, S, Lagage, P.-O, Bartko, H, Eisenhauer, F, Ott, T, Paumard, T, Perrin, G, Yuan, F, Fritz, T.K, Mascetti, L

“…This paper reports measurements of Sgr A* made with NACO in L' band (3.80 is a subset of m), Ks band (2.12 is a subset of m), and H band (1.66 is a subset of…”
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γ-ray emission from PWNe interacting with molecular clouds by Bartko, H., Bednarek, W.

“…We consider a situation in which a pulsar is formed inside or close to a high-density region of a molecular cloud. Right after birth, the pulsar was very…”
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What is limiting near-infrared astrometry in the Galactic Centre? by Fritz, T., Gillessen, S., Trippe, S., Ott, T., Bartko, H., Pfuhl, O., Dodds-Eden, K., Davies, R., Eisenhauer, F., Genzel, R.

“…We systematically investigate the error sources for high-precision astrometry from adaptive optics (AO) based near-infrared imaging data. We focus on the…”
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On the possibility of a warped disc origin of the inclined stellar discs at the Galactic Centre by Ulubay-Siddiki, A., Bartko, H., Gerhard, O.

“…The central parsec of our Galaxy hosts a population of young stars. At distances of r ∼ 0.03-0.5 pc, most of these stars seem to form a system of mutually…”
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Evidence for Warped Disks of Young Stars in the Galactic Center by Bartko, H, Martins, F, Fritz, T. K, Genzel, R, Levin, Y, Perets, H. B, Paumard, T, Nayakshin, S, Gerhard, O, Alexander, T, Dodds-Eden, K, Eisenhauer, F, Gillessen, S, Mascetti, L, Ott, T, Perrin, G, Pfuhl, O, Reid, M. J, Rouan, D, Sternberg, A, Trippe, S

“…The central parsec around the supermassive black hole in the Galactic center (GC) hosts more than 100 young and massive stars. Outside the central cusp (R ~…”
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Tests of a prototype multiplexed fiber-optic ultra-fast FADC data acquisition system for the MAGIC telescope by Bartko, H., Goebel, F., Mirzoyan, R., Pimpl, W., Teshima, M.

“…Ground-based Atmospheric Air Cherenkov Telescopes (ACTs) are successfully used to observe very high energy (VHE) gamma rays from celestial objects. The light…”
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GC-IRS13E—A Puzzling Association of Three Early-type Stars by Fritz, T. K, Gillessen, S, Dodds-Eden, K, Martins, F, Bartko, H, Genzel, R, Paumard, T, Ott, T, Pfuhl, O, Trippe, S, Eisenhauer, F, Gratadour, D

“…We present a detailed analysis of high-resolution near-infrared imaging and spectroscopy of the potential star cluster IRS13E very close to the massive black…”
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Evaluation of Near-Field to Far-Field Transformation Accuracy Based on Reference Radiation Models by Bhatt, A., Kyrligkitsi, A., Gemmer, T. M., Tankielun, A., Bartko, H., Derat, B., Dallmann, T.

“…Measuring the radiation behavior of antennas in an anechoic environment with far-field (FF) conditions requires large measurement sites resulting in high…”
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Hadronic calibration of the ATLAS liquid argon end-cap calorimeter in the pseudorapidity region in beam tests by Cojocaru, C., Pinfold, J., Soukup, J., Vincter, M., Datskov, V., Fedorov, A., Golubykh, S., Javadov, N., Kalinnikov, V., Kakurin, S., Kazarinov, M., Kukhtin, V., Ladygin, E., Lazarev, A., Neganov, A., Pisarev, I., Rousakovitch, N., Serochkin, E., Shilov, S., Shalyugin, A., Usov, Yu, Bruncko, D., Chytracek, R., Kladiva, E., Strizenec, P., Barreiro, F., Garcia, G., Labarga, F., Rodier, S., del Peso, J., Heldmann, M., Jakobs, K., Koepke, L., Othegraven, R., Schroff, D., Thomas, J., Zeitnitz, C., Barrillon, P., Benchouk, C., Djama, F., Henry-Couannier, F., Hinz, L., Hubaut, F., Monnier, E., Olivier, C., Pralavorio, P., Raymond, M., Sauvage, D., Serfon, C., Tisserant, S., Toth, J., Azuelos, G., Leroy, C., Mehdiyev, R., Akimov, A., Blagov, M., Komar, A., Snesarev, A., Speransky, M., Sulin, V., Yakimenko, M., Aderholz, M., Barillari, T., Bartko, H., Cwienk, W., Fischer, A., Habring, J., Huber, J., Karev, A., Kiryunin, A., Kurchaninov, L., Menke, S., Mooshofer, P., Oberlack, H., Salihagic, D., Schacht, P., Chen, T., Ping, J., Qi, M., Aoulthenko, W., Kazanin, V., Kolatchev, G., Malychev, W., Maslennikov, A., Pospelov, G., Snopkov, R., Shousharo, A., Soukharev, A., Talychev, A., Tikhonov, Y., Chekulaev, S., Denisov, S., Levitsky, M., Minaenko, A., Mitrofanov, G., Moiseev, A., Pleskatch, A., Sytnik, V., Zakamsky, L., Losty, M.

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γ-ray emission from PWNe interacting with molecular clouds by Bartko, H., Bednarek, W.

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[gamma]-ray emission from PWNe interacting with molecular clouds by Bartko, H, Bednarek, W

“…We consider a situation in which a pulsar is formed inside or close to a high-density region of a molecular cloud. Right after birth, the pulsar was very…”
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SIMULTANEOUS MULTIWAVELENGTH OBSERVATIONS OF THE BLAZAR 1ES 1959+650 AT A LOW TeV FLUX by TAGLIAFERRI, G, FOSCHINI, L, BARRIO, J. A, BARTKO, H, BASTIERI, D, BECKER, J. K, BEDNAREK, W, BEDYUGIN, A, BERGER, K, BIGONGIARI, C, BILAND, A, BOCK, R. K, GHISELLINI, G, BORDAS, P, BOSCH-RAMON, V, BRETZ, T, BRITVITCH, I, CAMARA, M, CARMONA, E, CHILINGARIAN, A, COARASA, J. A, COMMICHAU, S, CONTRERAS, J. L, MARASCHI, L, CORTINA, J, COSTADO, M. T, CURTEF, V, DANIELYAN, V, DAZZI, F, DE ANGELIS, A, DELGADO, C, DE LOS REYES, R, DE LOTTO, B, DORNER, D, TOSTI, G, DORO, M, ERRANDO, M, FAGIOLINI, M, FERENC, D, FERNANDEZ, E, FIRPO, R, FONSECA, M. V, FONT, L, FUCHS, M, GALANTE, N, ALBERT, J, GARCIA-LOPEZ, R. J, GARCZARCZYK, M, GAUG, M, GILLER, M, GOEBEL, F, HAKOBYAN, D, HAYASHIDA, M, HENGSTEBECK, T, HERRERO, A, HÖHNE, D, ALIU, E, ANDERHUB, H, ANTORANZ, P, BAIXERAS, C

“…We present the results from a multiwavelength campaign on the TeV blazar 1ES 1959+650, performed in 2006 May. Data from the optical, UV, soft- and hard-X-ray,…”
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Observation of Very High Energy Gamma-Ray Emission from the Active Galactic Nucleus 1ES 1959+650 Using the MAGIC Telescope by Aliu, E, Anderhub, H, Antoranz, P, Armada, A, Asensio, M, Baixeras, C, Barrio, J. A, Bartko, H, Bastieri, D, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Bisesi, E, Bock, R. K, Bretz, T, Britvitch, I, Camara, M, Coarasa, J. A, Contreras, J. L, Cortina, J, Danielyan, V, De Angelis, A, de los Reyes, R, De Lotto, B, Domingo-Santamaría, E, Dorner, D, Errando, M, Ferenc, D, Fernández, E, Firpo, R, Font, L, Garczarczyk, M, Gaug, M, Gebauer, J, Giller, M, Goebel, F, Hakobyan, D, Höhne, D, Hose, J, Jacon, P, Kalekin, O, Kranich, D, Liebing, P, Lindfors, E, López, J, Lucarelli, F, Majumdar, P, Mannheim, K, Mariotti, M, Martínez, M, Mase, K, Merck, C, Merck, M, Meucci, M, Meyer, M, Miranda, J. M, Mirzoyan, R, Mizobuchi, S, Moralejo, A, Nilsson, K, Oña-Wilhelmi, E, Orduña, R, Otte, N, Paoletti, R, Pasanen, M, Pascoli, D, Pavel, N, Pegna, R, Peruzzo, L, Prandini, E, Rico, J, Riegel, B, Rossato, G, Rügamer, S, Saggion, A, Sánchez, A, Sartori, P, Scalzotto, V, Schmitt, R, Schweizer, T, Shayduk, M, Shinozaki, K, Sidro, N, Sobczynska, D, Stamerra, A, Stark, L, Takalo, L, Temnikov, P, Tescaro, D, Teshima, M, Tonello, N, Torres, A, Torres, D. F, Vankov, H, Vitale, V, Wagner, R. M, Wibig, T, Wittek, W, Zapatero, J

“…The MAGIC Cerenkov telescope has observed very high energy (VHE) g-ray emission from the active galactic nucleus 1ES 1959+650 during 6 hr in 2004 September and…”
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What is limiting near-infrared astrometry in the Galactic Centre? by Fritz, T., Gillessen, S., Trippe, S., Ott, T., Bartko, H., Pfuhl, O., Dodds-Eden, K., Davies, R., Eisenhauer, F., Genzel, R.

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PERIODIC VERY HIGH ENERGY g-RAY EMISSION FROM LS I +61DG303 OBSERVED WITH THE MAGIC TELESCOPE by Albert, J, Aliu, E, Anderhub, H, Antonelli, L A, Antoranz, P, Backes, M, Baixeras, C, Barrio, J A, Bartko, H, Bastieri, D, Becker, J K, Bednarek, W, Berger, K, Bernardini, E, Bigongiari, C, Biland, A, Bock, R K, Bonnoli, G, Bordas, P

“…The MAGIC collaboration has recently reported the discovery of g-ray emission from the binary system LS I +61DG303 in the TeV energy region. Here we present…”
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MAGIC Observations of the Unidentified gamma -Ray Source TeV 32032+4130 by Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, JA, Bartko, H, Bastieri, D, Becker, J K, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Cortina, J

“…We observed the first known very high energy (VHE) gamma -ray-emitting unidentified source, TeV J2032+4130, for 94 hr with the MAGIC telescope. The source was…”
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MAGIC Observations of the Unidentified g-Ray Source TeV 32032+4130 by Albert, J, Aliu, E, Anderhub, H, Antoranz, P, Baixeras, C, Barrio, J A, Bartko, H, Bastieri, D, Becker, J K, Bednarek, W, Berger, K, Bigongiari, C, Biland, A, Cortina, J

“…We observed the first known very high energy (VHE) g-ray-emitting unidentified source, TeV J2032+4130, for 94 hr with the MAGIC telescope. The source was…”
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