Results 111 to 120 of about 431,245 (326)
The stellar coronal X-ray Explorer: STCOEX [PDF]
The status of the newly born field of stellar X-ray astronomy is considered. The need for further observational capability, the study of stellar surface activity and the development of design criteria for a follow-up mission, with primary emphasis on ...
Vaiana, G. S.
core +1 more source
Chemical evolution of galaxies — challenges for stellar astronomy [PDF]
, 1997 E. M. Sadler
openalex +1 more source
Advanced Materials, EarlyView.This study reveals an atomic‐level correlation between bulk dislocations and the exsolution of surface nanoparticles through a novel approach for dislocation engineering in epitaxial thin films. Employing in situ scanning transmission electron microscopy, two primary reasons for the frequent nucleation of dislocation‐associated nanoparticles are ...
Moritz Lukas Weber +8 more
wiley +1 more source
The Near-infrared Ca ii Triplet as a Stellar Activity Indicator: A Library and Comparative Study
The Astrophysical Journal Supplement SeriesWe have established and released a new stellar index library of the Ca ii triplet, which serves as an indicator for characterizing the chromospheric activity of stars.
Xin Huang +13 more
doaj +1 more source
Unsolved problems in observational astronomy. I. Focus on stellar spectroscopy [PDF]
, 2004 R. Pallavicini, S. Randich
openalex +1 more source
Advanced Materials, EarlyView.AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll +19 more
wiley +1 more source
Neutrino physics and astrophysics with the MACRO detector [PDF]
, 2000 After a brief presentation of the MACRO detector we discuss the data on atmospheric neutrinos and neutrino oscillations, on high energy (E> 1 GeV) neutrino astronomy, on indirect searches for WIMPs and low energy (E >7 MeV) stellar collapse neutrinos ...
Giacomelli, G., Margiotta, A.
core +1 more source
Extragalactic Stellar Astronomy with Blue Supergiants [PDF]
, 2007 N. Przybilla +5 more
openalex +1 more source
MESA-Web: A cloud resource for stellar evolution in astronomy curriculum
, 2023 Carl Fields +4 more
openalex +2 more sources
Shapeshifting Nanocatalyst for CO2 Conversion
Advanced Materials, EarlyView.A multi‐modal in situ characterization of Ag‐Cu nanoparticles during CO2 photoreduction sheds light on dynamic transformations occurring during reaction. The Cu(core)‐Ag(shell) nanoparticles present the Ag replacement by Cu atoms. Ag is trapped at the subsurface forming a Ag‐Cu‐O phase, and the nanoparticle spreads over the substrate.
Gustavo Zottis Girotto +10 more
wiley +1 more source