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Upper limits on the shock speeds in supernova remnants can be combined with post-shock temperatures to obtain upper limits on the ratio of cosmic ray to gas pressure (P_CR / P_G) behind the shocks. We constrain shock speeds from proper…

Astrophysics · Physics 2009-08-12 Greg Salvesen , John C. Raymond , Richard J. Edgar

Throughout its mission, the Mars Reconnaissance Orbiter (MRO) has often rolled about its along-track axis by up to 28{\deg} to partially compensate for the suboptimal location of the Shallow Radar (SHARAD) antenna along an edge of the…

In this letter we explore the environment of Pluto and Charon in the far infrared with the main aim to identify the signs of any possible dust ring, should it exist in the system. Our study is based on observations performed at 70 um with…

Earth and Planetary Astrophysics · Physics 2015-07-22 Gabor Marton , Csaba Kiss , Zoltan Balog , Emmanuel Lellouch , Erika Verebelyi , Ulrich Klaas

ESA's Hera space mission is on its way to the mission target, the binary asteroid (65803) Didymos. HyperScout-H, one of the instruments onboard Hera, is a hyperspectral imager operating in the visible and near-infrared regions between 0.65…

We present a study on the relationship between the ratio of the depth of a crater to its diameter and the diameter for lunar craters both on the maria and on the highlands. We consider craters younger than 1.1 billion years in age, i.e. of…

Earth and Planetary Astrophysics · Physics 2021-03-02 E. A. Feoktistova , S. I. Ipatov

A high sensitivity Cardiac SPECT system using curved crystals with pinhole collimation was proposed previously (Dey, IEEE TNS 2012, Bhusal et al, Med. Phys. 2019). Here, we hypothesize that a high curvature hemi-ellipsoid detector results…

Instrumentation and Detectors · Physics 2022-05-24 Hanif R. Soysal , J. Dey , W. P. Donahue , K. L. Matthews

Multispacecraft and multiwavelength observations of solar eruptions such as flares and coronal mass ejections are essential to understand the complex processes behind these events. The study of solar burst events in the radio-frequency…

Asteroid collisions are one of the main processes responsible for the evolution of bodies in the main belt. Using observations of the Dimorphos impact by the DART spacecraft, we estimate how asteroid collisions in the main belt may look in…

Earth and Planetary Astrophysics · Physics 2024-03-07 E. O. Ofek , D. Polishook , D. Kushnir , G. Nir , S. Ben-Ami , Y. Shvartzvald , N. L. Strotjohann , E. Segre , A. Blumenzweig , M. Engel , D. Bodewits , J. W. Noonan

Crater ellipticity determination is a complex and time consuming task that so far has evaded successful automation. We train a state of the art computer vision algorithm to identify craters in Lunar digital elevation maps and retrieve their…

Earth and Planetary Astrophysics · Physics 2020-04-29 Mohamad Ali-Dib , Kristen Menou , Alan P. Jackson , Chenchong Zhu , Noah Hammond

We present an update to the first white-light detections of a dust trail observed closely following the orbit of asteroid (3200) Phaethon, as seen by the Wide-field Imager for Parker Solar Probe (WISPR) instrument on the NASA Parker Solar…

One of the primary science goals of the Large UV/Optical/Infrared Surveyor (LUVOIR) mission concept is to detect and characterize Earth-like exoplanets orbiting nearby stars with direct imaging. The success of its coronagraph instrument…

Instrumentation and Methods for Astrophysics · Physics 2021-08-17 Axel Potier , Garreth Ruane , Pin Chen , Ankur Chopra , Larry Dewell , Roser Juanola-Parramon , Alison Nordt , Laurent Pueyo , David Redding , A. J. Eldorado Riggs , Dan Sirbu

Temporal scatter-broadening can seriously affect our ability to find pulsars orbiting the central mass in our Galaxy. Many of these invaluable probes of geometry around the black hole are expected, but none have been found in close orbits…

Astrophysics of Galaxies · Physics 2015-01-20 Olaf Wucknitz

In preparation for the Jan 1/2019 encounter between the New Horizons spacecraft and the Kuiper Belt object 2014 MU69, we provide estimates of the expected impact crater surface density on the Kuiper Belt object. Using the observed crater…

Earth and Planetary Astrophysics · Physics 2019-02-13 Sarah Greenstreet , Brett Gladman , William McKinnon , JJ Kavelaars , Kelsi Singer

The CMS silicon tracker, consisting of 1440 silicon pixel and 15148 silicon strip detector modules, has been aligned using more than three million cosmic ray charged particles, with additional information from optical surveys. The positions…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration

We report on findings from scintillation analyses using high-cadence observations of eight canonical pulsars with observing baselines ranging from one to three years. We obtain scintillation bandwidth and timescale measurements for all…

Landing robotic spacecrafts and humans on Mars has become one of the inevitable technological necessities for humans. Effectuating perfect Mars expedition requires landing of enormous cargoes, crewed modules, ascent vehicles, and scientific…

Popular Physics · Physics 2020-08-31 Malaya Kumar Biswal M , Ramesh Naidu Annavarapu

The purpose of this work is the analysis of the consequences that desaturation maneuvers can have in the precise orbit determination corresponding to the Radio Science Experiment (MORE) of the BepiColombo mission to Mercury. This mission is…

Space Physics · Physics 2015-06-04 Elisa Maria Alessi , Stefano Cicalo' , Andrea Milani , Giacomo Tommei

Nearby giant exoplanets offer an opportunity to search for moons (exomoons) orbiting them. Here, we present a simulation framework for investigating the possibilities of detecting exomoons via their astrometric signal in planet-to-star…

Earth and Planetary Astrophysics · Physics 2025-09-18 Kevin Wagner , Ewan Douglas , Steve Ertel , Kyran Grattan , S. Pete Worden , Aniket Sanghi , Billy Quarles , Charles Beichman

SND@LHC is a compact and stand-alone experiment designed to perform measurements with neutrinos produced at the LHC in the pseudo-rapidity region of ${7.2 < \eta < 8.4}$. The experiment is located 480 m downstream of the ATLAS interaction…

High Energy Physics - Experiment · Physics 2024-07-08 LHC Collaboration

We describe the space observatory architecture and mission design of the SALTUS mission, a NASA Astrophysics Probe Explorer concept. SALTUS will address key far-infrared science using a 14-m diameter <45 K primary reflector (M1) and will…

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