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We report on observations of 68 satellites belonging to the SpaceX Starlink constellation with the LOFAR radio telescope. Radiation associated with Starlink satellites was detected at observing frequencies between 110 and 188 MHz. A…

Instrumentation and Methods for Astrophysics · Physics 2023-07-06 F. Di Vruno , B. Winkel , C. G. Bassa , G. I. G. Józsa , M. A. Brentjens , A. Jessner , S. Garrington

Understanding the diurnal behavior of lee wave clouds on Mars provides critical insight into the planet's mesoscale atmospheric dynamics and their interaction with surface topography. Lee wave clouds exhibit distinct spatial and temporal…

Earth and Planetary Astrophysics · Physics 2025-11-03 Mariam R. Alshamsi , Mashhoor A. Al-Wardat

We use absolutely calibrated data from the ARCADE 2 flight in July 2006 to model Galactic emission at frequencies 3, 8, and 10 GHz. The spatial structure in the data is consistent with a superposition of free-free and synchrotron emission.…

Astrophysics of Galaxies · Physics 2011-05-23 A. Kogut , D. J. Fixsen , S. M. Levin , M. Limon , P. M. Lubin , P. Mirel , M. Seiffert , J. Singal , T. Villela , E. Wollack , C. A. Wuensche

By direct measurements of the gas temperature, the Atacama Large Millimeter/sub-millimeter Array (ALMA) has yielded a new diagnostic tool to study the solar chromosphere. Here we present an overview of the brightness-temperature…

All of the solar system gas giants produce electron cyclotron masers, driven by the solar wind impinging on their magnetospheres. Extrapolating to the planet orbiting tau Boo, various authors have predicted that it may be within the…

Astrophysics · Physics 2009-11-13 T. Joseph W. Lazio , W. M. Farrell

A search for high-energy neutrino emission correlated with gamma-ray bursts outside the electromagnetic prompt-emission time window is presented. Using a stacking approach of the time delays between reported gamma-ray burst alerts and…

High Energy Astrophysical Phenomena · Physics 2016-10-21 ANTARES Collaboration , S. Adrian-Martínez , A. Albert , M. André , M. Anghinolfi , G. Anton , M. Ardid , J. -J. Aubert , B. Baret , J. Barrios-Marti , S. Basa , V. Bertin , S. Biagi , R. Bormuth , M. C. Bouwhuis , R. Bruijn , J. Brunner , J. Busto , A. Capone , L. Caramete , J. Carr , T. Chiarusi , M. Circella , R. Coniglione , H. Costantini , P. Coyle , A. Creusot , I. Dekeyser , A. Deschamps , G. De Bonis , C. Distefano , C. Donzaud , D. Dornic , D. Drouhin , A. Dumas , T. Eberl , D. Elsasser , A. Enzenhofer , K. Fehn , I. Felis , P. Fermani , F. Folger , L. A. Fusco , S. Galatà , P. Gay , S. Geisselsoeder , K. Geyer , V. Giordano , A. Gleixner , R. Gracia-Ruiz , K. Graf , S. Hallmann , H. van Haren , A. J. Heijboer , Y. Hello , J. J. Hernàndez-Rey , J. Hoessl , J. Hofestadt , C. Hugon , C. W. James , M. de Jong , M. Kadler , M. Kadler , O. Kalekin , U. Katz , D. Kiessling , P. Kooijman , A. Kouchner , M. Kreter , I. Kreykenbohm , V. Kulikovskiy , R. Lahmann , D. Lefèvre , E. Leonora , S. Loucatos , M. Marcelin , A. Margiotta , A. Marinelli , J. A. Martínez-Mora , A. Mathieu , T. Michael , P. Migliozzi , A. Moussa , C. Muller , E. Nezri , G. E. Pavalas , C. Pellegrino , C. Perrina , P. Piattelli , V. Popa , T. Pradier , C. Racca , G. Riccobene , R. Richter , K. Roensch , M. Saldaña , D. F. E. Samtleben , A. Sánchez-Losa , M. Sanguineti , P. Sapienza , J. Schmid , J. Schnabel , F. Schussler , T. Seitz , C. Sieger , M. Spurio , J. J. M. Steijger , Th. Stolarczyk , M. Taiuti , C. Tamburini , A. Trovato , M. Tselengidou , C. Tonnis , B. Vallage , C. Vallée , V. Van Elewyck , E. Visser , D. Vivolo , S. Wagner , J. Wilms , J. D. Zornoza , J. Zúñiga

We present complex radio bursts recorded by the radiospectrograph ARTEMIS-IV in the active period of January 2005. The wide spectral coverage of this recorder, in the 650-20 MHz range, permits an analysis of the radio bursts from the base…

Solar and Stellar Astrophysics · Physics 2010-09-23 K. Bouratzis , P. Preka-Papadema , A. Hillaris , X. Moussas , C. Caroubalos , V. Petoussis , P. Tsitsipis , A. Kontogeorgos

Results of timing measurements of the pulsar PSR B0329+54 obtained in 1968--2012 using the Big Scanning Antenna of the Pushchino Radio Astronomy Observatory (at 102 and 111 MHz), the DSS 13 and DSS 14 telescopes of the Jet Propulsion…

Instrumentation and Methods for Astrophysics · Physics 2017-12-06 E. D. Starovoit , A. E. Rodin

Since 2007, the Telescope Array (TA) experiment, based in Utah, USA, has been observing ultra high energy cosmic rays to understand their origins. The experiment involves a surface detector (SD) array and three fluorescence detector (FD)…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 H. Tokuno , Y. Tameda , M. Takeda , K. Kadota , D. Ikeda , M. Chikawa , T. Fujii , M. Fukushima , K. Honda , N. Inoue , F. Kakimoto , S. Kawana , E. Kido , J. N. Matthews , T. Nonaka , S. Ogio , T. Okuda , S. Ozawa , H. Sagawa , N. Sakurai , T. Shibata , A. Taketa , S. B. Thomas , T. Tomida , Y. Tsunesada , S. Udo , T. Abu-zayyad , R. Aida , M. Allen , R. Anderson , R. Azuma , E. Barcikowski , J. W. Belz , D. R. Bergman , S. A. Blake , R. Cady , B. G. Cheon , J. Chiba , E. J. Cho , W. R. Cho , H. Fujii , T. Fukuda , D. Gorbunov , W. Hanlon , K. Hayashi , Y. Hayashi , N. Hayashida , K. Hibino , K. Hiyama , T. Iguchi , K. Ikuta , T. Ishii , R. Ishimori , D. Ivanov , S. Iwamoto , C. C. H. Jui , O. Kalashev , T. Kanbe , K. Kasahara , H. Kawai , S. Kawakami , H. B. Kim , H. K. Kim , J. H. Kim , J. H. Kim , K. Kitamoto , K. Kobayashi , Y. Kobayashi , Y. Kondo , K. Kuramoto , V. Kuzmin , Y. J. Kwon , S. I. Lim , S. Machida , K. Martens , J. Martineau , T. Matsuda , T. Matsuura , T. Matsuyama , I. Myers , M. Minamino , K. Miyata , H. Miyauchi , Y. Murano , T. Nakamura , S. W. Nam , M. Ohnishi , H. Ohoka , K. Oki , D. Oku , A. Oshima , I. H. Park , M. S. Pshirkov , D. Rodriguez , S. Y. Roh , G. Rubtsov , D. Ryu , A. L. Sampson , L. M. Scott , P. D. Shah , F. Shibata , H. Shimodaira , B. K. Shin , J. I. Shin , T. Shirahama , J. D. Smith , P. Sokolsky , T. J. Sonley , R. W. Springer , B. T. Stokes , S. R. Stratton , T. Stroman , S. Suzuki , Y. Takahashi , M. Takita , H. Tanaka , K. Tanaka , M. Tanaka , G. B. Thomson , P. Tinyakov , I. Tkachev , S. Troitsky , K. Tsutsumi , Y. Tsuyuguchi , Y. Uchihori , H. Ukai , G. Vasiloff , Y. Wada , T. Wong , M. Wood , Y. Yamakawa , H. Yamaoka , K. Yamazaki , J. Yang , S. Yoshida , H. Yoshii , R. Zollinger , Z. Zundel

The high kinetic energy electrons that populate the Earth's radiation belts emit synchrotron emissions because of their interaction with the planetary magnetic field. A lunar near side array would be uniquely positioned to image this…

We discuss the results of the monitoring programs of the X-ray binaries with relativistic jets studies. We carried out a multi-frequency (1-30 GHz) daily monitoring of the radio flux variability of the microquasars SS433, GRS1915+105, V4641…

Astrophysics · Physics 2008-11-26 S. A. Trushkin , N. N. Bursov , N. A. Nizhelskij , E. K. Majorova , P. A. Voitsik

Fast Radio Bursts (FRBs) are short timescale (<<1 s) astrophysical radio signals, presumed to be a signature of cataclysmic events of extragalactic origin. The discovery of six high-redshift events at ~1400 MHz from the Parkes radio…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 Cathryn M. Trott , Steven J. Tingay , Randall B. Wayth

We present direct evidence for anomalous microwave emission in the Perseus molecular cloud, which shows a clear rising spectrum from 11 to 17 GHz in the data of the COSMOSOMAS experiment. By extending the frequency coverage using WMAP maps…

Radio activity has been observed in a large variety of stellar objects, including in the last few years, ultra-cool dwarfs. To explore the extent of long-term radio activity in ultra-cool dwarfs, we use data taken over an extended period of…

Astrophysics · Physics 2009-11-13 A. Antonova , J. G. Doyle , G. Hallinan , A. Golden , C. Koen

A search for a diffuse flux of astrophysical muon neutrinos, using data collected by the ANTARES neutrino telescope from December 2007 to December 2009 is presented. A $(0.83\times 2\pi)$ sr sky was monitored for a total of 334 days of…

High Energy Astrophysical Phenomena · Physics 2015-03-17 Simone Biagi

For the first time accurate measurements of electron and positron fluxes in the energy range 0.2-10 GeV have been performed with the Alpha Magnetic Spectometer (AMS) instrument at altitudes of 370-390 Km in the geographic latitude interval…

Astrophysics · Physics 2016-10-12 E. Fiandrini , G. Esposito , B. Bertucci , B. Alpat , R. Battiston , W. J. Burger , G. Lamanna , P. Zuccon

The energetic particle environment on the Martian surface is influenced by solar and heliospheric modulation and changes in the local atmospheric pressure (or column depth). The Radiation Assessment Detector (RAD) on board the Mars Science…

The radio properties of 11 obscured `radio-intermediate' quasars at redshifts z>~2 have been investigated using the European Very-Long-Baseline-Interferometry Network (EVN) at 1.66 GHz. A sensitivity of ~25 micro Jy per 14x17 mas2 beam was…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 H. -R. Kloeckner , A. Martinez-Sansigre , S. Rawlings , M. A. Garrett

Radio searches for extraterrestrial intelligence have mainly targeted the discovery of narrowband continuous-wave beacons and artificially dispersed broadband bursts. Periodic pulse trains, in comparison to the above technosignature…

Instrumentation and Methods for Astrophysics · Physics 2023-06-05 Akshay Suresh , Vishal Gajjar , Pranav Nagarajan , Sofia Z. Sheikh , Andrew P. V. Siemion , Matt Lebofsky , David H. E. MacMahon , Danny C. Price , Steve Croft
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