Eric Grove
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View article: New Class of Gamma-Ray Flashes Indicate Gamma Glow Reset through Fast Streamer Discharge.
New Class of Gamma-Ray Flashes Indicate Gamma Glow Reset through Fast Streamer Discharge. Open
Recent aircraft campaign over the Caribbean region in July 2023, called ALOFT, resulted in several discoveries that significantly improved our understanding of atmospheric gamma-ray phenomena. It was demonstrated that strong convective sys…
View article: TGF and gamma-ray glow highlights from the ALOFT 2023 flight campaign
TGF and gamma-ray glow highlights from the ALOFT 2023 flight campaign Open
During the summer of 2023 the  Airborne Lighting Observatory for FEGS and TGFs (ALOFT) field campaign was performed. With a NASA ER-2 research aircraft, flying at 20 km altitude, ALOFT was searching for Terrestrial Gamma ray Flashes (…
View article: Spectral Analysis of High-Energy Radiation Events Observed during the ALOFT 2023 Campaign
Spectral Analysis of High-Energy Radiation Events Observed during the ALOFT 2023 Campaign Open
The Airborne Lighting Observatory for FEGS and TGFs (ALOFT) is equipped with a comprehensive set of instruments on-board a NASA ER-2 research aircraft for observing Terrestrial Gamma-ray Flashes (TGFs) and gamma-ray glows from thundercloud…
View article: The Compton Spectrometer and Imager
The Compton Spectrometer and Imager Open
The Compton Spectrometer and Imager (COSI) is a NASA Small Explorer (SMEX) satellite mission in development with a planned launch in 2027. COSI is a wide-field gamma-ray telescope designed to survey the entire sky at 0.2-5 MeV. It provides…
View article: The cosipy library: COSI's high-level analysis software
The cosipy library: COSI's high-level analysis software Open
The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe with increased sensitivity the under-explored MeV gamma-ray sk…
View article: The Compton Spectrometer and Imager
The Compton Spectrometer and Imager Open
The Compton Spectrometer and Imager (COSI) is a NASA Small Explorer (SMEX) satellite mission in development with a planned launch in 2027. COSI is a wide-field gamma-ray telescope designed to survey the entire sky at 0.2-5 MeV. It provides…
View article: The cosipy library: COSI’s high-level analysis software
The cosipy library: COSI’s high-level analysis software Open
The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe with increased sensitivity the under-explored MeV gamma-ray sk…
View article: Development of the ComPair gamma-ray telescope prototype
Development of the ComPair gamma-ray telescope prototype Open
There is a growing interest in the science uniquely enabled by observations in the MeV range, particularly in light of multi-messenger astrophysics. The Compton Pair (ComPair) telescope, a prototype of the AMEGO Probe-class concept, consis…
View article: Multiwavelength Spectral Analysis and Neural Network Classification of Counterparts to 4FGL Unassociated Sources
Multiwavelength Spectral Analysis and Neural Network Classification of Counterparts to 4FGL Unassociated Sources Open
The Fermi-LAT unassociated sources represent some of the most enigmatic gamma-ray sources in the sky. Observations with the Swift-XRT and -UVOT telescopes have identified hundreds of likely X-ray and UV/optical counterparts in the uncertai…
View article: All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme Multimessenger Universe
All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme Multimessenger Universe Open
The All-sky Medium Energy Gamma-ray Observatory (AMEGO) is a probe class\nmission concept that will provide essential contributions to multimessenger\nastrophysics in the late 2020s and beyond. AMEGO combines high sensitivity in\nthe 200 k…
View article: The Compton Spectrometer and Imager
The Compton Spectrometer and Imager Open
In this Astro2020 APC White Paper, we describe a Small Explorer (SMEX) mission concept called the Compton Spectrometer and Imager. COSI is a Compton telescope that covers the bandpass often referred to as the "MeV Gap" because it is the le…
View article: All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme Multimessenger Universe
All-sky Medium Energy Gamma-ray Observatory: Exploring the Extreme Multimessenger Universe Open
The All-sky Medium Energy Gamma-ray Observatory (AMEGO) is a probe class mission concept that will provide essential contributions to multimessenger astrophysics in the late 2020s and beyond. AMEGO combines high sensitivity in the 200 keV …
View article: The e-ASTROGAM mission (exploring the extreme Universe in the MeV-GeV range)
The e-ASTROGAM mission (exploring the extreme Universe in the MeV-GeV range) Open
e-ASTROGAM (`enhanced ASTROGAM') is a breakthrough Observatory mission dedicated to the study of the non-thermal Universe in the photon energy range from 0.3 MeV to 3 GeV. The mission is based on an advanced space-proven detector technolog…
View article: The e-ASTROGAM mission (exploring the extreme Universe with gamma rays in the MeV-GeV range)
The e-ASTROGAM mission (exploring the extreme Universe with gamma rays in the MeV-GeV range) Open
e-ASTROGAM (`enhanced ASTROGAM') is a breakthrough Observatory mission dedicated to the study of the non-thermal Universe in the photon energy range from 0.3 MeV to 3 GeV. The mission is based on an advanced space-proven detector technolog…
View article: Shedding new light on the Sun with the Fermi LAT
Shedding new light on the Sun with the Fermi LAT Open
During its first six years of operation, the Fermi Large Area Telescope (LAT) has detected >30 MeV gamma-ray emission from more than 40 solar flares, nearly a factor of 10 more than those detected by EGRET. These include detections of impu…