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Long baseline radio interferometers can provide some interesting opportunities for future SETI searches. Known advantages (compared to single dishes or beam-formed arrays), include the large reduction in false-positives due to the…

Instrumentation and Methods for Astrophysics · Physics 2018-10-18 M. A. Garrett

Recent observations of changes in radioactive decay rates associated with the annual variation of the Earth-Sun distance, with solar rotation, and particularly with solar storms, suggest that radioactive decay rates may be responding to…

Instrumentation and Methods for Astrophysics · Physics 2017-02-14 Ephraim Fischbach , John T. Gruenwald

We report on the design and first year of operations of the DEdicated MONitor of EXotransits and Transients (DEMONEXT). DEMONEXT is a 20 inch (0.5-m) robotic telescope using a PlaneWave CDK20 telescope on a Mathis instruments MI-750/1000…

Instrumentation and Methods for Astrophysics · Physics 2017-12-20 Steven Villanueva , B. Scott Gaudi , Richard W. Pogge , Jason D. Eastman , Keivan G. Stassun , Mark Trueblood , Patricia Trueblood

An outstanding, multi-disciplinary goal of modern science is the study of the diversity of potentially Earth-like planets and the search for life in them. This goal requires a bold new generation of space telescopes, but even the most…

Instrumentation and Methods for Astrophysics · Physics 2019-08-07 Daniel Apai , Tom D. Milster , Dae Wook Kim , Alex Bixel , Glenn Schneider , Ronguang Liang , Jonathan Arenberg

Tracking moving masses in several degrees of freedom with high precision and large dynamic range is a central aspect in many current and future gravitational physics experiments. Laser interferometers have been established as one of the…

The Search for Extra-terrestrial Intelligence (SETI) using radio telescopes is an area of research that is now more than 50 years old. Thus far, both targeted and wide-area surveys have yet to detect artificial signals from intelligent…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Michael A. Garrett

MSE is an 11.25m aperture observatory with a 1.5 square degree field of view that will be fully dedicated to multi-object spectroscopy. More than 3200 fibres will feed spectrographs operating at low (R ~ 2000 - 3500) and moderate (R ~ 6000)…

Instrumentation and Methods for Astrophysics · Physics 2016-06-02 Alan McConnachie , Carine Babusiaux , Michael Balogh , Simon Driver , Pat Côté , Helene Courtois , Luke Davies , Laura Ferrarese , Sarah Gallagher , Rodrigo Ibata , Nicolas Martin , Aaron Robotham , Kim Venn , Eva Villaver , Jo Bovy , Alessandro Boselli , Matthew Colless , Johan Comparat , Kelly Denny , Pierre-Alain Duc , Sara Ellison , Richard de Grijs , Mirian Fernandez-Lorenzo , Ken Freeman , Raja Guhathakurta , Patrick Hall , Andrew Hopkins , Mike Hudson , Andrew Johnson , Nick Kaiser , Jun Koda , Iraklis Konstantopoulos , George Koshy , Khee-Gan Lee , Adi Nusser , Anna Pancoast , Eric Peng , Celine Peroux , Patrick Petitjean , Christophe Pichon , Bianca Poggianti , Carlo Schmid , Prajval Shastri , Yue Shen , Chris Willot , Scott Croom , Rosine Lallement , Carlo Schimd , Dan Smith , Matthew Walker , Jon Willis , Alessandro Bosselli Matthew Colless , Aruna Goswami , Matt Jarvis , Eric Jullo , Jean-Paul Kneib , Iraklis Konstantopoloulous , Jeff Newman , Johan Richard , Firoza Sutaria , Edwar Taylor , Ludovic van Waerbeke , Giuseppina Battaglia , Pat Hall , Misha Haywood , Charli Sakari , Carlo Schmid , Arnaud Seibert , Sivarani Thirupathi , Yuting Wang , Yiping Wang , Ferdinand Babas , Steve Bauman , Elisabetta Caffau , Mary Beth Laychak , David Crampton , Daniel Devost , Nicolas Flagey , Zhanwen Han , Clare Higgs , Vanessa Hill , Kevin Ho , Sidik Isani , Shan Mignot , Rick Murowinski , Gajendra Pandey , Derrick Salmon , Arnaud Siebert , Doug Simons , Else Starkenburg , Kei Szeto , Brent Tully , Tom Vermeulen , Kanoa Withington , Nobuo Arimoto , Martin Asplund , Herve Aussel , Michele Bannister , Harish Bhatt , SS Bhargavi , John Blakeslee , Joss Bland-Hawthorn , James Bullock , Denis Burgarella , Tzu-Ching Chang , Andrew Cole , Jeff Cooke , Andrew Cooper , Paola Di Matteo , Ginevra Favole , Hector Flores , Bryan Gaensler , Peter Garnavich , Karoline Gilbert , Rosa Gonzalez-Delgado , Puragra Guhathakurta , Guenther Hasinger , Falk Herwig , Narae Hwang , Pascale Jablonka , Matthew Jarvis , Umanath Kamath , Lisa Kewley , Damien Le Borgne , Geraint Lewis , Robert Lupton , Sarah Martell , Mario Mateo , Olga Mena , David Nataf , Jeffrey Newman , Enrique Pérez , Francisco Prada , Mathieu Puech , Alejandra Recio-Blanco , Annie Robin , Will Saunders , Daniel Smith , C. S. Stalin , Charling Tao , Karun Thanjuvur , Laurence Tresse , Ludo van Waerbeke , Jian-Min Wang , David Yong , Gongbo Zhao , Patrick Boisse , James Bolton , Piercarlo Bonifacio , Francois Bouchy , Len Cowie , Katia Cunha , Magali Deleuil , Ernst de Mooij , Patrick Dufour , Sebastien Foucaud , Karl Glazebrook , John Hutchings , Chiaki Kobayashi , Rolf-Peter Kudritzki , Yang-Shyang Li , Lihwai Lin , Yen-Ting Lin , Martin Makler , Norio Narita , Changbom Park , Ryan Ransom , Swara Ravindranath , Bacham Eswar Reddy , Marcin Sawicki , Luc Simard , Raghunathan Srianand , Thaisa Storchi-Bergmann , Keiichi Umetsu , Ting-Gui Wang , Jong-Hak Woo , Xue-Bing Wu

The Tautenburg Exoplanet Search Telescope (TEST) is a robotic telescope system. The telescope uses a folded Schmidt Camera with a 300mm main mirror. The focal length is 940mm and it gives a 2.2 square degree field of view. Dome, mount, and…

Astrophysics · Physics 2009-11-13 Philipp Eigmüller , Jochen Eislöffel

The Exoplanet Transmission Spectroscopy Imager (ETSI) amalgamates a low resolution slitless prism spectrometer with custom multi-band filters to simultaneously image 15 spectral bandpasses between 430 nm and 975 nm with an average spectral…

NASA's Global Ecosystem Dynamics Investigation (GEDI) is a key climate mission whose goal is to advance our understanding of the role of forests in the global carbon cycle. While GEDI is the first space-based LIDAR explicitly optimized to…

Machine Learning · Computer Science 2021-11-05 Nico Lang , Nikolai Kalischek , John Armston , Konrad Schindler , Ralph Dubayah , Jan Dirk Wegner

In this paper, we propose a novel method for distinguishing extraterrestrial intelligence (ETI) signals from radio frequency interference (RFI) by leveraging polarization features. We exploit the sinusoidal variation of the linearly…

Instrumentation and Methods for Astrophysics · Physics 2023-12-08 Jian-Kang Li , Yu Chen , Zhen-Zhao Tao , Xiao-Hang Luan , Tong-Jie Zhang , Bo-Lun Huang , Xiao-Hui Sun , Vishal Gajjar

The Search for Extraterrestrial Intelligence (SETI) has traditionally been conducted at radio wavelengths, but optical searches are well-motivated and increasingly feasible due to the growing availability of high-resolution spectroscopy. We…

Instrumentation and Methods for Astrophysics · Physics 2023-03-01 Anna Zuckerman , Zoe Ko , Howard Isaacson , Steve Croft , Danny Price , Matt Lebofsky , Andrew Siemion

We present a design for a wide-field spectroscopic telescope. The only large powered mirror is spherical, the resulting spherical aberration is corrected for each target separately, giving exceptional image quality. The telescope is a…

Instrumentation and Methods for Astrophysics · Physics 2024-09-11 Will Saunders , Timothy Chin , Michael Goodwin

We present an analysis of surveying the inner Solar System for objects that may pose some threat to the Earth. Most of the analysis is based on understanding the capability provided by Sentinel, a concept for an infrared space-based…

Earth and Planetary Astrophysics · Physics 2016-10-26 Marc W. Buie , Harold J. Reitsema , Roger P. Linfield

The Compton Spectrometer and Imager (COSI) is a balloon-borne gamma-ray (0.2-5 MeV) telescope with inherent sensitivity to polarization. COSI's main goal is to study astrophysical sources such as $\gamma$-ray bursts, positron annihilation,…

The search for extraterrestrial intelligence (SETI) is a scientific endeavor which struggles with unique issues -- a strong indeterminacy in what data to look for and when to do so. This has led to attempts at finding both fundamental…

Information Theory · Computer Science 2021-07-22 Ian George , Xinan Chen , Lav R. Varshney

Detection of signals from a possible extrasolar technological civilization is one of the challenging efforts of science. In this work, we propose using natural telescopes made of single or binary gravitational lensing systems to magnify…

Instrumentation and Methods for Astrophysics · Physics 2016-08-31 Sohrab Rahvar

The first Search for Extra-Terrestrial Intelligence (SETI) conducted with Very Long Baseline Interferometry (VLBI) is presented. By consideration of the basic principles of interferometry, we show that VLBI is efficient at discriminating…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 H. Rampadarath , J. S. Morgan , S. J. Tingay , C. M. Trott

SPICES (Spectro-Polarimetric Imaging and Characterization of Exoplanetary Systems) is a five-year M-class mission proposed to ESA Cosmic Vision. Its purpose is to image and characterize long-period extrasolar planets and circumstellar disks…

The Maunakea Spectroscopic Explorer (MSE) is a massively multiplexed spectroscopic survey facility that will replace the Canada-France-Hawaii Telescope over the next two decades. This 12.5-meter telescope, with its 1.5 square degree…

Instrumentation and Methods for Astrophysics · Physics 2023-07-18 Andrew Sheinis , Samuel C. Barden , Jennifer Sobeck , The MSE Team