activity
20082021
most citedThe Precision Array for Probing the Epoch of Reionization: 8 Station Results

447 citations · 1.7k across the 21 of their papers we have counts for

collaborators

20 papers

astro-ph.EP2021★ 37 cited

Exoplanet X-ray irradiation and evaporation rates with eROSITA

G. Foster, K. Poppenhaeger, N. Ilic +1

High-energy irradiation is a driver for atmospheric evaporation and mass loss in exoplanets. This work is based on data from eROSITA, the soft X-ray instrument aboard SRG (Spectrum…

astro-ph.HE2021★ 64 cited

The Breakthrough Listen Search For Intelligent Life Near the Galactic Center I

Vishal Gajjar, Karen I. Perez, Andrew P. V. Siemion +23

A line-of-sight towards the Galactic Center (GC) offers the largest number of potentially habitable systems of any direction in the sky. The Breakthrough Listen program is undertak…

astro-ph.IM2020★ 38 cited

Initial results from a realtime FRB search with the GBT

Devansh Agarwal, D. R. Lorimer, M. P. Surnis +11

We present the data analysis pipeline, commissioning observations and initial results from the GREENBURST fast radio burst (FRB) detection system on the Robert C. Byrd Green Bank T…

astro-ph.IM2019★ 11 cited

GREENBURST: a commensal fast radio burst search back-end for the Green Bank Telescope

Mayuresh P. Surnis, Devansh Agarwal, Duncan R. Lorimer +13

We describe the design and deployment of GREENBURST, a commensal Fast Radio Burst (FRB) search system at the Green Bank Telescope. GREENBURST uses the dedicated L-band receiver tap…

astro-ph.HE2019★ 52 cited

A Fast Radio Burst with frequency-dependent polarization detected during Breakthrough Listen observations

D. C. Price, G. Foster, M. Geyer +30

Here, we report on the detection and verification of Fast Radio Burst FRB 180301, which occurred on UTC 2018 March 1 during the Breakthrough Listen observations with the Parkes tel…

astro-ph.HE2018★ 190 cited

Fast Radio Burst 121102 Pulse Detection and Periodicity: A Machine Learning Approach

Yunfan Gerry Zhang, Vishal Gajjar, Griffin Foster +4

We report the detection of 72 new pulses from the repeating fast radio burst FRB 121102 in Breakthrough Listen C-band (4-8 GHz) observations at the Green Bank Telescope. The new pu…

astro-ph.IM2018★ 11 cited

Verifying and Reporting Fast Radio Bursts

Griffin Foster, Aris Karastergiou, Marisa Geyer +6

Fast Radio Bursts (FRBs) are a class of short-duration transients at radio wavelengths with inferred astrophysical origin. The prototypical FRB is a broadband signal that occurs ov…

astro-ph.HE2018★ 324 cited

Highest-frequency detection of FRB 121102 at 4-8 GHz using the Breakthrough Listen Digital Backend at the Green Bank Telescope

V. Gajjar, A. P. V. Siemion, D. C. Price +28

We report the first detections of the repeating fast radio burst source FRB 121102 above 5.2 GHz. Observations were performed using the 48 GHz receiver of the Robert C. Byrd Gre…

astro-ph.HE2018★ 161 cited

Revival of the magnetar PSR J1622-4950: observations with MeerKAT, Parkes, XMM-Newton, Swift, Chandra, and NuSTAR

F. Camilo, P. Scholz, M. Serylak +205

New radio (MeerKAT and Parkes) and X-ray (XMM-Newton, Swift, Chandra, and NuSTAR) observations of PSR J1622-4950 indicate that the magnetar, in a quiescent state since at least ear…

astro-ph.IM2017★ 23 cited

ALFABURST: A commensal search for Fast Radio Bursts with Arecibo

Griffin Foster, Aris Karastergiou, Golnoosh Golpayegani +12

ALFABURST has been searching for Fast Radio Bursts (FRBs) commensally with other projects using the Arecibo L-band Feed Array (ALFA) receiver at the Arecibo Observatory since July…

astro-ph.HE2017★ 1 cited

Initial Results from the ALFABURST Survey

Mayuresh Surnis, Griffin Foster, Golnoosh Golpayegani +13

Here, we present initial results from the ALFABURST radio transient survey, which is currently running in a commensal mode with the ALFA receiver at the Arecibo telescope. We obser…

astro-ph.EP2017★ 141 cited

The Breakthrough Listen Search for Intelligent Life: 1.1-1.9 GHz observations of 692 Nearby Stars

J. Emilio Enriquez, Andrew Siemion, Griffin Foster +10

We report on a search for engineered signals from a sample of 692 nearby stars using the Robert C. Byrd Green Bank Telescope, undertaken as part of the $Breakthrough~Listen~Initiat…

astro-ph.CO2017★ 30 cited

Constraining Polarized Foregrounds for EOR Experiments II: Polarization Leakage Simulations in the Avoidance Scheme

C. D. Nunhokee, G. Bernardi, S. A. Kohn +7

A critical challenge in the observation of the redshifted 21-cm line is its separation from bright Galactic and extragalactic foregrounds. In particular, the instrumental leakage o…

astro-ph.IM2016

A Decade of Developing Radio-Astronomy Instrumentation using CASPER Open-Source Technology

Jack Hickish, Zuhra Abdurashidova, Zaki Ali +33

The Collaboration for Astronomy Signal Processing and Electronics Research (CASPER) has been working for a decade to reduce the time and cost of designing, building and deploying n…

astro-ph.IM2015★ 16 cited

Intrinsic Instrumental Polarization and High-Precision Pulsar Timing

Griffin Foster, Aris Karastergiou, Remi Paulin +3

Radio telescopes are used to accurately measure the time of arrival (ToA) of radio pulses in pulsar timing experiments that target mostly millisecond pulsars (MSPs) due to their hi…

astro-ph.IM2014★ 18 cited

Implementation of a Direct-Imaging and FX Correlator for the BEST-2 Array

Griffin Foster, Jack Hickish, Alessio Magro +2

A new digital backend has been developed for the BEST-2 array at Radiotelescopi di Medicina, INAF-IRA, Italy which allows concurrent operation of an FX correlator, and a direct-ima…

astro-ph.HE2011★ 43 cited

The Allen Telescope Array Fly's Eye Survey for Fast Radio Transients

Andrew P. V. Siemion, Geoffrey C. Bower, Griffin Foster +6

The relatively unexplored fast radio transient parameter space is known to be home to a variety of interesting sources, including pulsars, pulsar giant pulses and non-thermal emiss…

astro-ph.IM2011★ 2 cited

Current and Nascent SETI Instruments

Andrew P. V. Siemion, Jeff Cobb, Henry Chen +13

Here we describe our ongoing efforts to develop high-performance and sensitive instrumentation for use in the search for extra-terrestrial intelligence (SETI). These efforts includ…

astro-ph.CO2009★ 447 cited

The Precision Array for Probing the Epoch of Reionization: 8 Station Results

Aaron R. Parsons, Donald C. Backer, Richard F. Bradley +12

We are developing the Precision Array for Probing the Epoch of Reionization (PAPER) to detect 21cm emission from the early Universe, when the first stars and galaxies were forming.…

astro-ph2008★ 41 cited

New SETI Sky Surveys for Radio Pulses

Andrew Siemion, Joshua Von Korff, Peter McMahon +9

Berkeley conducts 7 SETI programs at IR, visible and radio wavelengths. Here we review two of the newest efforts, Astropulse and Fly's Eye. A variety of possible sources of microse…