Publications (27)
Setting the Stage: The Early History of the Solar System
Antgona Segura, Rachel L. Smith, Myriam Telus +3
The paper reviews how the early solar system formed and how key organic molecules arose, using evidence from meteorites and observations of protoplanetary disks.
Snowmass 2021 CMB-S4 White Paper
Kevork Abazajian, Arwa Abdulghafour, Graeme E. Addison +353
This Snowmass 2021 White Paper describes the Cosmic Microwave Background Stage 4 project CMB-S4, which is designed to cross critical thresholds in our understanding of the origin a…
Key Science Goals for the Next Generation Very Large Array (ngVLA): Update from the ngVLA Science Advisory Council (2024)
David J. Wilner, Brenda C. Matthews, Brett McGuire +32
In 2017, the next generation Very Large Array (ngVLA) Science Advisory Council, together with the international astronomy community, developed a set of five Key Science Goals (KSGs…
The GFCAT: a catalog of ultraviolet variables observed by GALEX with sub-minute resolution
Chase C. Million, Michael St. Clair, Scott W. Fleming +2
We have performed the first systematic search of the full GALEX data archive for astrophysical variability on timescales of seconds to minutes by rebinning data across the whole mi…
Meter- to Millimeter Emission from Cool Stellar Systems: Latest Results, Synergies Across the Spectrum, and Outlook for the Next Decade
Jan Forbrich, Peter K. G. Williams, Emily Drabek-Maunder +12
Radio observations of cool stellar systems provide unique information on their magnetic fields, high-energy processes, and chemistry. Buoyed by powerful new instruments (e.g. ALMA,…
Next Generation Very Large Array Memo No. 9 Science Working Group 4: Time Domain, Fundamental Physics, and Cosmology
Geoffrey C. Bower, Paul Demorest, James Braatz +20
We report here on key science topics for the Next Generation Very Large Array in the areas of time domain, fundamental physics, and cosmology. Key science cases considered are puls…
The Mouse that Squeaked: A small flare from Proxima Cen observed in the millimeter, optical, and soft X-ray with Chandra and ALMA
Ward S. Howard, Meredith A. MacGregor, Rachel Osten +10
We present millimeter, optical, and soft X-ray observations of a stellar flare with an energy squarely in the regime of typical X1 solar flares. The flare was observed from Proxima…
Coronal Mass Ejections As a Mechanism for Producing IR Variability in Debris Disks
Rachel Osten, Mario Livio, Steven Lubow +3
Motivated by recent observations of short-timescale variations in the infrared emission of circumstellar disks, we propose that coronal mass ejections can remove dust grains on tim…
The Exospace Weather Frontier
R. O. Parke Loyd, Evgenya L. Shkolnik, Joseph Lazio +26
Space weather is among the most powerful and least understood forces shaping planetary atmospheres. In our Solar System, we observe its effects directly: atmospheric escape, chemic…
Three X-ray Flares Near Primary Eclipse of the RS CVn Binary XY UMa
Hang Gong, Rachel Osten, Thomas Maccarone +3
We report on an archival X-ray observation of the eclipsing RS CVn binary XY UMa ( 0.48d). In two ACIS observations spanning 200 ks and almost…
The NewAthena mission concept in the context of the next decade of X-ray astronomy
Mike Cruise, Matteo Guainazzi, James Aird +16
Large X-ray observatories such as Chandra and XMM-Newton have been delivering scientific breakthroughs in research fields as diverse as our Solar System, the astrophysics of stars,…
The Radio-X-ray Relation in Cool Stars: Are we headed toward a divorce?
Jan Forbrich, Scott J. Wolk, Manuel Güdel +6
This Cool Stars 16 splinter session was devoted to reviewing our current knowledge of correlated X-ray and radio emission from cool stars in order to prepare for new large radio ob…
Structure and Evolution of Pre-Main Sequence Stars
Norbert S. Schulz, Glenn Allen, Mark W. Bautz +28
Low-mass pre-main sequence (PMS) stars are strong and variable X-ray emitters, as has been well established by EINSTEIN and ROSAT observatories. It was originally believed that thi…
The LOFAR Transients Key Project
Rob Fender, Robert Braun, Ben Stappers +18
LOFAR, the Low Frequency Array, is a new radio telescope under construction in the Netherlands, designed to operate between 30 and 240 MHz. The Transients Key Project is one of the…
Coronal Dimming as a Proxy for Stellar Coronal Mass Ejections
Meng Jin, Mark C. M. Cheung, Marc L. DeRosa +6
Solar coronal dimmings have been observed extensively in the past two decades and are believed to have close association with coronal mass ejections (CMEs). Recent study found that…
Constraining the Radio Emission of TRAPPIST-1
Anna Hughes, Aaron Boley, Rachel Osten +1
TRAPPIST-1 is an ultracool dwarf (UCD) with a system of 7 terrestrial planets, at least three of which orbit in the habitable zone. The radio emission of such low-mass stars is poo…
STROBE-X: X-ray Timing and Spectroscopy on Dynamical Timescales from Microseconds to Years
Paul S. Ray, Zaven Arzoumanian, David Ballantyne +155
We present the Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays (STROBE-X), a probe-class mission concept selected for study by NASA. It combines huge collectin…
The Advanced X-ray Imaging Satellite (AXIS) Community Science Book
Michael Koss, Nafisa Aftab, Steven W. Allen +395
The AXIS Community Science Book represents the collective effort of 592 scientists worldwide to define the transformative science enabled by the Advanced X-ray Imaging Satellite (A…
EUV influences on exoplanet atmospheric stability and evolution
Allison Youngblood, Kevin France, Tommi Koskinen +15
The planetary effective surface temperature alone is insufficient to characterize exoplanet atmospheres and their stability or evolution. Considering the star-planet system as a wh…
A High-Cadence UV-Optical Telescope Suite On The Lunar South Pole
Scott W. Fleming, Thomas Barclay, Keaton J. Bell +14
We propose a suite of telescopes be deployed as part of the Artemis III human-crewed expedition to the lunar south pole, able to collect wide-field simultaneous far-ultraviolet (UV…
Understanding Galactic Star Formation with Next Generation X-ray Spectroscopy and Imaging
Scott J. Wolk, Rachel Osten, Nancy Brickhouse +8
This white paper is motivated by open questions in star formation, which can be uniquely addressed by high resolution X-ray imaging and require an X-ray observatory with large coll…
EUV observations of cool dwarf stars
Allison Youngblood, Jeremy Drake, James Mason +15
The EUV (100-912 Ã ) is a spectral region notoriously difficult to observe due to attenuation by neutral hydrogen gas in the interstellar medium. Despite this, hundreds to thousand…
Principles Of Heliophysics: a textbook on the universal processes behind planetary habitability
Karel Schrijver, Fran Bagenal, Tim Bastian +59
Heliophysics is the system science of the physical connections between the Sun and the solar system. As the physics of the local cosmos, it embraces space weather and planetary hab…
Radio Astronomy in LSST Era
T. Joseph W. Lazio, A. Kimball, A. J. Barger +13
A community meeting on the topic of "Radio Astronomy in the LSST Era" was hosted by the National Radio Astronomy Observatory in Charlottesville, VA (2013 May 6--8). The focus of th…
Coronal dimmings and what they tell us about solar and stellar coronal mass ejections
Astrid M. Veronig, Karin Dissauer, Bernhard Kliem +10
Coronal dimmings associated with coronal mass ejections (CME) from the Sun have gained much attention since the late 1990s when they were first observed in high-cadence imagery of…
Serendipitous discovery of radio flaring behaviour from a nearby M dwarf with MeerKAT
Alex Andersson, Rob Fender, Chris Lintott +12
We report on the detection of MKT J174641.0321404, a new radio transient found in untargeted searches of wide-field MeerKAT radio images centred on the black hole X-ray binary H…
Characterizing the Habitable Zones of Exoplanetary Systems with a Large Ultraviolet/Visible/Near-IR Space Observatory
Kevin France, Evgenya Shkolnik, Jeffrey Linsky +32
Understanding the surface and atmospheric conditions of Earth-size, rocky planets in the habitable zones (HZs) of low-mass stars is currently one of the greatest astronomical endea…