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Related papers: Status of the UC-Berkeley SETI Efforts

200 papers

PEPSI is the bench-mounted, two-arm, fibre-fed and stabilized Potsdam Echelle Polarimetric and Spectroscopic Instrument for the 2x8.4 m Large Binocular Telescope (LBT). Three spectral resolutions of either 43 000, 120 000 or 270 000 can…

The Galactic Plane was searched for transient, monochromatic light at optical and near-IR wavelengths to detect pulses shorter than 1 sec. An objective-prism Schmidt telescope and CMOS camera were used to observe 973 square degrees along…

Instrumentation and Methods for Astrophysics · Physics 2023-02-01 Geoffrey W. Marcy , Nathaniel K. Tellis

Since their discovery at radio wavelengths pulsars have been persistent targets for widespread multi-wave observations throughout optics, radio, X-rays, and high-energy gamma-rays. Observations with the EGRET gamma-ray telescope, on board…

Astrophysics · Physics 2007-05-23 A. Konopelko

An updated, binary-coded message has been developed for transmission to extraterrestrial intelligences in the Milky Way galaxy. The proposed message includes basic mathematical and physical concepts to establish a universal means of…

The Breakthrough Listen Initiative has embarked on a comprehensive SETI survey of nearby stars in the Milky Way that is vastly superior to previous efforts as measured by a wide range of different metrics. SETI surveys traditionally ignore…

High Energy Astrophysical Phenomena · Physics 2022-09-20 M. A. Garrett , A. P. V. Siemion

A growing avenue for determining the prevalence of life beyond Earth is to search for "technosignatures" from extraterrestrial intelligences/agents. Technosignatures require significant energy to be visible across interstellar space and…

In a few years the Kepler and TESS missions will provide ultra-precise photometry for thousands of RR Lyrae and hundreds of Cepheid stars. In the extended Kepler mission all targets are proposed in the Guest Observer (GO) Program, while the…

Solar and Stellar Astrophysics · Physics 2016-03-25 E. Plachy , L. Molnár , R. Szabó , K. Kolenberg , E. Bányai

We present Arecibo time-aligned, total intensity profiles for 46 pulsars over an unusually wide range of radio frequencies and multi-frequency, polarization-angle density diagrams and/or polarization profiles for 58 pulsars pulsars at some…

Astrophysics · Physics 2008-02-11 Timothy H. Hankins , Joanna M. Rankin

We have used the Arecibo Radio Telescope to search for millisecond pulsars in two intermediate Galactic latitude regions (7 deg < | b | < 20 deg) accessible to this telescope. For these latitudes the useful millisecond pulsar search volume…

Astrophysics · Physics 2008-11-26 Jose Navarro , Stuart Anderson , Paulo C. Freire

Using the Green Bank Telescope (GBT) and Pulsar Spigot at 350MHz, we have surveyed the Northern Galactic Plane for pulsars and radio transients. This survey covers roughly 1000 square degrees of sky within 75 deg < l < 165 deg and |b| < 5.5…

The discovery of many Earth-like planets has renewed interest in whether life and technological civilizations exist elsewhere. The Search for Extraterrestrial Intelligence (SETI) seeks evidence for technological civilizations via…

Earth and Planetary Astrophysics · Physics 2026-03-03 Keitaro Takahashi

A review is given on the current status and selected results from large VLBI surveys of compact extragalactic radio sources made between 13 cm and 3 mm wavelengths and covering the entire sky. More than 4200 objects are observed and imaged…

Astrophysics · Physics 2009-07-22 Y. Y. Kovalev

We have used the STACEE high-energy gamma-ray detector to look for fast blue-green laser pulses from the vicinity of 187 stars. The STACEE detector offers unprecedented light-collecting capability for the detection of nanosecond pulses from…

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

The Search for Extra-terrestrial Intelligence (SETI) aims to find technological signals of extra-solar origin. Radio frequency SETI is characterized by large unlabeled datasets and complex interference environment. The infinite…

Instrumentation and Methods for Astrophysics · Physics 2019-01-16 Yunfan Gerry Zhang , Ki Hyun Won , Seung Woo Son , Andrew Siemion , Steve Croft

Radio astronomy provides a unique window on the universe, allowing us to study: non-thermal processes (galactic nuclei, quasars, pulsars) at the highest angular resolution using VLBI, with low opacity. It is the most interesting wave band…

Astrophysics · Physics 2007-05-23 R D Ekers , J F Bell

The Palomar High-precision Astrometric Search for Exoplanet Systems (PHASES) monitored 51 sub-arcsecond binary systems to determine precision binary orbits, study the geometries of triple and quadruple star systems, and discover previously…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 Matthew W. Muterspaugh , Benjamin F. Lane , S. R. Kulkarni , Maciej Konacki , Bernard F. Burke , M. M. Colavita , M. Shao , Sloane J. Wiktorowicz , J. O'Connell

The high angular resolution and sensitivity of Very Long Baseline Interferometry (VLBI) offer a unique tool to identify and study active galactic nuclei and star-formation activity over cosmic time. However, despite recent technical…

Astrophysics of Galaxies · Physics 2024-12-05 Célestin Herbé-George , J. P. Mckean , Raffaella Morganti , Jack F. Radcliffe

The ongoing microlensing searches have generated more photometric measurements of pulsating stars than all previous observing projects combined. In particular, OGLE has made ~ 340,000 B, V, and I-band measurements of ~ 1,300 Cepheids in the…

Astrophysics · Physics 2007-05-23 Bohdan Paczynski

Pulsar studies in the recent years have shown, more than others, to have benefited from a multi-wavelength approach. The INAF - Astronomical Observatory in Cagliari (INAF-OAC) is a growing facility with a young group devoted to pulsar and…

Instrumentation and Methods for Astrophysics · Physics 2019-04-05 Maura Pilia , Alessio Trois , Matteo Bachetti , Alberto Pellizzoni , Giuseppe Atzeni , Elise Egron , Maria Noemi Iacolina , Sara Loru , Antonio Poddighe , Valentina Vacca
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