Search Results - "Zajacek, M"

OJ287: Deciphering the “Rosetta stone of blazars★” by Britzen, S, Fendt, C, Witzel, G, Qian, S -J, Pashchenko, I N, Kurtanidze, O, Zajacek, M, Martinez, G, Karas, V, Aller, M, Aller, H, Eckart, A, Nilsson, K, Arévalo, P, Cuadra, J, Subroweit, M, Witzel, A

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Effect of an isotropic outflow from the Galactic Centre on the bow-shock evolution along the orbit by Zajaček, M., Eckart, A., Karas, V., Kunneriath, D., Shahzamanian, B., Sabha, N., Mužić, K., Valencia-S., M.

“…Motivated by the observations of several infrared-excess bow-shock sources and proplyd-like objects near the Galactic Centre, we analyse the effect of a…”
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Investigating the Relativistic Motion of the Stars Near the Supermassive Black Hole in the Galactic Center by Parsa, M., Eckart, A., Shahzamanian, B., Karas, V., Zaja ek, M., Zensus, J. A., Straubmeier, C.

“…The S-star cluster in the Galactic center allows us to study the physics close to a supermassive black hole, including distinctive dynamical tests of general…”
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A Ring Accelerator? Unusual Jet Dynamics in the IceCube Candidate PKS 1502+106 by Britzen, S, Zajacek, M, Popovic, L C, Fendt, C, Tramacere, A, Pashchenko, I N, Jaron, F, Panis, R, Petrov, L, Aller, M F, Aller, H D

“…On 2019/07/30.86853 UT, IceCube detected a high-energy astrophysical neutrino can-didate. The Flat Spectrum Radio Quasar PKS 1502+106 is located within the 50…”
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Alive but Barely Kicking: News from 3+ yr of Swift and XMM-Newton X-Ray Monitoring of Quasiperiodic Eruptions from eRO-QPE1 by Pasham, D. R., Coughlin, E. R., Zajaček, M., Linial, Itai, Suková, Petra, Nixon, C. J., Janiuk, Agnieszka, Sniegowska, M., Witzany, Vojtěch, Karas, V., Krumpe, M., Altamirano, D., Wevers, T., Arcodia, Riccardo

“…Abstract Quasiperiodic eruptions (QPEs) represent a novel class of extragalactic X-ray transients that are known to repeat at roughly regular intervals of a…”
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Science with a Small Two-Band UV-Photometry Mission III: Active Galactic Nuclei and Nuclear Transients by Zajaček, M., Czerny, B., Jaiswal, V. K., Štolc, M., Karas, V., Pandey, A., Pasham, D. R., Śniegowska, M., Witzany, V., Suková, P., Münz, F., Werner, N., Řípa, J., Merc, J., Labaj, M., Kurfürst, P., Krtička, J.

“…In this review, the third one in the series focused on a small two-band UV-photometry mission, we assess possibilities for a small UV two-band photometry…”
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A stellar fly‐by close to the Galactic center: Can we detect stars on highly relativistic orbits? by Zajaček, M., Tursunov, A. A.

“…The Galactic center Nuclear Star Cluster is one of the densest stellar clusters in the Galaxy. The stars in its inner portions orbit the supermassive black…”
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Science with a Small Two-Band UV-Photometry Mission I: Mission Description and Follow-up Observations of Stellar Transients by Werner, N., Řípa, J., Thöne, C., Münz, F., Kurfürst, P., Jelínek, M., Hroch, F., Benáček, J., Topinka, M., Lukes-Gerakopoulos, G., Zajaček, M., Labaj, M., Prišegen, M., Krtička, J., Merc, J., Pál, A., Pejcha, O., Dániel, V., Jon, J., Šošovička, R., Gromeš, J., Václavík, J., Steiger, L., Segiňák, J., Behar, E., Tarem, S., Salh, J., Reich, O., Ben-Ami, S., Barschke, M. F., Berge, D., Tohuvavohu, A., Sivanandam, S., Bulla, M., Popov, S., Chang, Hsiang-Kuang

“…This is the first in a collection of three papers introducing the science with an ultra-violet (UV) space telescope on an approximately 130 kg small satellite…”
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The ‘Red Radio Ring’: ionized and molecular gas in a starburst/active galactic nucleus at z ∼ 2.55 by Harrington, Kevin C, Vishwas, A, Weiß, A, Magnelli, B, Grassitelli, L, Zajaček, M, Jiménez-Andrade, E F, Leung, T K D, Bertoldi, F, Romano-Díaz, E, Frayer, D T, Kamieneski, P, Riechers, D, Stacey, G J, Yun, M S, Wang, Q D

“…ABSTRACT We report the detection of the far-infrared (FIR) fine-structure line of singly ionized nitrogen, [N ii] 205 $\mu$m , within the peak epoch of galaxy…”
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MONITORING THE DUSTY S-CLUSTER OBJECT (DSO/G2) ON ITS ORBIT TOWARD THE GALACTIC CENTER BLACK HOLE by Valencia-S., M., Eckart, A., Zajaček, M., Peissker, F., Parsa, M., Grosso, N., Mossoux, E., Porquet, D., Jalali, B., Karas, V., Yazici, S., Shahzamanian, B., Sabha, N., Saalfeld, R., Smajic, S., Grellmann, R., Moser, L., Horrobin, M., Borkar, A., García-Marín, M., Dovčiak, M., Kunneriath, D., Karssen, G. D., Bursa, M., Straubmeier, C., Bushouse, H.

“…We analyze and report in detail new near-infrared (1.45-2.45 μm) observations of the Dusty S-cluster Object (DSO/G2) during its approach to the black hole at…”
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A new bow-shock source with bipolar morphology in the vicinity of Sgr A by Peißker, F, Zajacek, M, Eckart, A, Sabha, N, Shahzamanian, B, Parsa, M

“…A&A 624, A97 (2019) Here we present a new bowshock blue-shifted source in the close vicinity of Sgr A* that we name X8. We use data-sets that are based on…”
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A Collection of German Science Interests in the Next Generation Very Large Array by Kadler, M, Riechers, D. A, Agarwal, J, Baczko, A. -K, Beuther, H, Bigiel, F, Birnstiel, T, Boccardi, B, Bomans, D. J, Boogaard, L, Braun, T. T, Britzen, S, Brüggen, M, Brunthaler, A, Caselli, P, Elsässer, D, von Fellenberg, S, Flock, M, Fromm, C. M, Fuhrmann, L, Hartogh, P, Hoeft, M, Keenan, R. P, Kovalev, Y, Kreckel, K, Livingston, J, Lobanov, A. P, Müller, H, Ros, E, Schilke, P, De Simone, M, Spitler, L, Ueda, T, Vardoulaki, E, Vegetti, S, Weis, K, Wendel, C, Xu, M. H, Zhao, G. -Y, Albrecht, M, Basu, A, Tjus, J. Becker, Bernhart, S, Blum, J, Bonnassieux, E, Bredendiek, C, van Delden, M, Di Gennaro, G, Enders, A, Eppel, F, Hase, H, Hoang, D, Hugentobler, U, Kaasinen, M, Krupp, N, Kun, E, Laubach, M, Lin, Y, Mannheim, K, Menten, K. M, Perkuhn, R, Pohl, N, Powell, D. M, Rezzolla, L, Ricci, L, Schinnerer, E, Schmidt, K, Schöpfel, J, Stanko, S, Stein, M, Sulzenauer, N, Taziaux, S, Tursunov, A, Walter, F, Weiss, A, Witzel, G, Wolf, S, Zensus, J. A, Mus, A, Toth, L. V, Alberdi, A, Benisty, M, Cox, P, Guirado, J. C, Johnson, M. D, Juvela, M, Neeleman, M, Pashchenko, I. N, Torres, M. A. Pérez, Perraut, K, Zajacek, M

“…The Next Generation Very Large Array (ngVLA) is a planned radio interferometer providing unprecedented sensitivity at wavelengths between 21 cm and 3 mm. Its…”
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Dark Energy Constraintsfrom Quasar Observations by Czerny, B., Martínez-Aldama, M.L., Wojtkowska, G., Zajaček, M., Marziani, P., Dultzin, D., Naddaf, M.H., Panda, S., Prince, R., Przyluski, R., Ralowski, M., Śniegowska, M.

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Monitoring dusty sources in the vicinity of Sgr A by Peißker, F, Hosseini, S. E, Zajacek, M, Eckart, A, Saalfeld, R, Valencia-S, M, Parsa, M, Karas, V

“…A&A 634, A35 (2020) We trace several dusty infrared sources on their orbit around the supermassive black hole (SMBH) SgrA* in the center of our galaxy. We give…”
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Plunging neutron stars as origin of organised magnetic field in galactic nuclei by Karas, V, Kopacek, O, Kunneriath, D, Zajacek, M, Araudo, A, Eckart, A, Kovar, J

“…Contributions of the Astronomical Observatory Skalnate Pleso, vol. 47, no. 2, p. 124-132 (2017) Black holes cannot support their own internal magnetic field…”
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Investigating the Relativistic Motion of the Stars Near the Supermassive Black Hole in the Galactic Center by Parsa, M, Eckart, A, Shahzamanian, B, Karas, V, Zajacek, M, Zensus, J. A, Straubmeier, C

“…ApJ, 845:22 (2017) The S-star cluster in the Galactic center allows us to study the physics close to a supermassive black hole, including distinctive dynamical…”
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Monitoring the Dusty S-Cluster Object (DSO/G2) on its Orbit towards the Galactic Center Black Hole by Valencia-S, M., Eckart, A., Zajaček, M., Peissker, F., Parsa, M., Grosso, Nicolas, Mossoux, E., Porquet, Delphine, Jalali, B., Karas, V., Yazici, S., Shahzamanian, B., Sabha, N., Saalfeld, R., Smajic, S., Grellmann, R., Moser, L., Horrobin, M., Borkar, A., García-Marín, M., Dovčiak, M., Kunneriath, D., Karssen, D., Bursa, M., Straubmeier, C., Bushouse, H.

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The "Red Radio Ring": Ionised and Molecular Gas in a Starburst/Active Galactic Nucleus at $z \sim 2.55 by Harrington, K. C, Vishwas, A, Weiss, A, Magnelli, B, Grassitelli, L, Zajacek, M, Jimenez-Andrade, E. F, Leung, T. K. D, Bertoldi, F, Romano-Diaz, E, Frayer, D. T, Kamieneski, P, Riechers, D, Stacey, G. J, Yun, M. S, Wang, Q. D

“…We report the detection of the far-infrared (FIR) fine-structure line of singly ionised nitrogen, \Nplusa, within the peak epoch of galaxy assembly, from a…”
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Polarized near-infrared light of the Dusty S-cluster Object (DSO/G2) at the Galactic Center by Shahzamanian, B, Eckart, A, Zajacek, M, Valencia-S, M, Sabha, N, Moser, L, Parsa, M, Peissker, F, Straubmeier, C

“…A&A 593, A131 (2016) We investigate an infrared-excess source called G2 or Dusty S-cluster Object (DSO) moving on a highly eccentric orbit around the Galaxy's…”
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Light and shadow in the Galactic Center - On the detection of the relativistic periastron shift of star S2 in the Galactic Center by Eckart, A, Parsa, M, Mossoux, E, Shahzamanian, B, Zajacek, M, Hosseini, E, Subroweit, M, Peissker, F, Sabha, N, Valencia-S, M, Straubmeier, C, Karas, V, Britzen, S, Zensus, A

“…We report on the nature of prominent sources of light and shadow in the Galactic Center. With respect to the Bremsstrahlung X-ray emission of the hot plasma in…”
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