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We present results from mid-infrared imaging of Uranus at wavelengths of 13.0 micron and 18.7 micron, sensing emission from the stratosphere and upper troposphere, acquired using the VISIR instrument at the Very Large Telescope (VLT),…

Earth and Planetary Astrophysics · Physics 2020-01-15 Michael T. Roman , Leigh N. Fletcher , Glenn S. Orton , Naomi Rowe-Gurney , Patrick G. J. Irwin

Radio detection of Ultra High Energetic Cosmic Rays and Neutrinos (UHECRv) which hit the Moon has been investigated in recent years. In preparation for near-future lunar science missions, we discuss technical requirements for radio…

Instrumentation and Methods for Astrophysics · Physics 2018-10-17 Amin Aminaei , Linjie Chen , Hamid R. Pourshaghaghi , Stijn Buitink , Marc Klein-Wolt , Leon V. E. Koopmans , Heino Falcke

Methane has been proposed as an exoplanet biosignature. Imminent observations with the James Webb Space Telescope may enable methane detections on potentially habitable exoplanets, so it is essential to assess in what planetary contexts…

Earth and Planetary Astrophysics · Physics 2022-04-12 Maggie A. Thompson , Joshua Krissansen-Totton , Nicholas Wogan , Myriam Telus , Jonathan J. Fortney

ANTARES is the largest high-energy neutrino telescope in the Northern Hemisphere. This contribution presents the results of a search, based on the ANTARES data collected over 17 months between November 2014 and April 2016, for high energy…

High Energy Astrophysical Phenomena · Physics 2019-05-01 Mukharbek Organokov , Thierry Pradier

Searching for the Ultra high energy Cosmic rays and Neutrinos of $> 10^{20} eV$ is of great cosmological importance. A powerful technique is to search for the \v{C}erenkov radio emission caused by UHECR or UHE neutrinos impinging on the…

Astrophysics · Physics 2008-05-29 Govind Swarup , Sukanta Panda

From STIS observations of Uranus in 2012, we found that the methane volume mixing ratio declined from about 4% at low latitudes to about 2% at 60 deg N and beyond. This is similar to that found in the south polar regions in 2002, in spite…

Earth and Planetary Astrophysics · Physics 2015-02-24 Lawrence Sromovsky , Erich Karkoschka , Patrick Fry , Heidi Hammel , Imke de Pater , Kathy Rages

Hot methane spectra are important in environments ranging from flames to the atmospheres of cool stars and exoplanets. A new spectroscopic line list, 10to10, for $^{12}$CH$_4$ containing almost 10 billion transitions is presented. This…

Solar and Stellar Astrophysics · Physics 2014-10-06 Sergei N. Yurchenko , Jonathan Tennyson , Jeremy Bailey , Morgan D. J. Hollis , Giovanna Tinetti

Extremely large telescopes (ELTs) present an unparalleled opportunity to study the magnetism, atmospheric dynamics, and chemistry of very low mass stars (VLMs), brown dwarfs, and exoplanets. Instruments such as the Giant Magellan Telescope…

Earth and Planetary Astrophysics · Physics 2023-07-12 Michael K. Plummer , Ji Wang

More precise lunar and Martian ranging will enable unprecedented tests of Einstein's theory of General Relativity and well as lunar and planetary science. NASA is currently planning several missions to return to the Moon, and it is natural…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Stephen M. Merkowitz , Philip W. Dabney , Jeffrey C. Livas , Jan F. McGarry , Gregory A. Neumann , Thomas W. Zagwodzki

The ANTARES detector is the most sensitive neutrino telescope observing the southern sky and the world's first particle detector operating in the deep sea. It is installed in the Mediterranean Sea at a depth of 2475 m. As an example of…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Th. Eberl

Biosignature detection in the atmospheres of Earth-like exoplanets is one of the most significant and ambitious goals for astronomy, astrobiology, and humanity. Molecular oxygen is among the strongest indicators of life on Earth, but it…

Earth and Planetary Astrophysics · Physics 2025-01-30 Kevin K. Hardegree-Ullman , Dániel Apai , Sebastiaan Y. Haffert , Martin Schlecker , Markus Kasper , Jens Kammerer , Kevin Wagner

Since Viking has conducted its life detection experiments on Mars, many missions have enhanced our knowledge about the environmental conditions on the Red Planet. However, the Martian surface chemistry and the Viking lander results remain…

Biological Physics · Physics 2009-11-13 Dirk Schulze-Makuch , Carol Turse , Joop Houtkooper , Chris McKay

A major aspect of the search for extraterrestrial intelligence (SETI) involves searching for electromagnetic transmissions from extraterrestrial sources, often using our own transmissions as a guide. Previous studies have suggested that…

Instrumentation and Methods for Astrophysics · Physics 2025-08-22 Pinchen Fan , Jason T. Wright , T. Joseph W. Lazio

The paper presents the results of multi-wave radio observations of sixteen red dwarfs with Earth-like planets in the habitable zones on RATAN-600. In the passage mode, radiometers of four frequency ranges of 22, 11, 4.7 and 2.3 GHz (1.38,…

Solar and Stellar Astrophysics · Physics 2025-05-21 Grigory M. Beskin , Vladimir N. Chernenkov , Nikolai N. Bursov , Alexey A. Shlyapnikov , Alexander D. Panov

The low energy neutral atom imagers on Mars Express and IMAGE have revealed that the neutral atom populations in interplanetary space come from a variety of sources and challenge our current understanding of heliospheric physics. For…

Astrophysics · Physics 2008-11-26 M. Holmstrom , M. R. Collier , S. Barabash , K. Brinkfeldt , T. E. Moore , D. Simpson

We present new millimetre 43 GHz observations of a sample of radio-bright Planetary Nebulae. Such observations were carried out to have a good determination of the high-frequency radio spectra of the sample in order to evaluate, together…

Astrophysics · Physics 2009-11-13 G. Umana , P. Leto , C. Trigilio , C. S. Buemi , P. Manzitto , S. Toscano , S. Dolei , L. Cerrigone

Temperature profiles retrieved using the first set of data of the Emirates Mars InfraRed Spectrometer (EMIRS) obtained during the science phase of the Emirates Mars Mission (EMM) are used for the analysis of migrating thermal tides in the…

The physical structures of the outer atmospheres of red giants are not known. They are certainly complex and a range of recent observations are showing that we need to embrace to non-classical atmosphere models to interpret these regions.…

Mitigating anthropogenic methane sources is one of the most cost-effective levers to slow down global warming. While satellite-based imaging spectrometers, such as EMIT, PRISMA, and EnMAP, can detect these point sources, current methane…

Motility is a ubiquitous feature of microbial life on Earth, and is widely regarded as a promising biosignature candidate. In the search for motile organisms, it is therefore valuable to have rough estimates for the number of such microbes…

Earth and Planetary Astrophysics · Physics 2021-05-24 Manasvi Lingam , Abraham Loeb
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