Results 111 to 120 of about 9,107 (304)

Search for Close Binary Evolved Stars

open access: yes, 1988
We report on a search for short -period binary systems composed of pairs of evolved stars. The search is being carried out concurrently with a program to characterize the kinematical properties of two different samples of stars.
Liebert, J., Saffer, R. A.
core  

A Comprehensive Photometric Study of the Eclipsing SU UMa-type Cataclysmic Variable OY Carinae

open access: yesThe Astrophysical Journal
We present a comprehensive photometric study of the eclipsing dwarf nova OY Car based on ground-based observations and archival data from the Transiting Exoplanet Survey Satellite (TESS) and AAVSO.
Zhong-Tao Han   +7 more
doaj   +1 more source

ELECTRONIC TEXTBOOK FOR AMATEUR ASTRONOMERS AND STUDENTS "Binary stars and their evolution"

open access: yesOdessa Astronomical Publications, 2017
Electronic textbook for members and supervisors of the Youth Academy of Sciences; schoolars and teachers; students of the first courses. Total volume of the printed version is 86pp. The textbook is devoted to 100-th Anniversary of Prof.
L. L. Chinarova
doaj   +1 more source

Cognitive Behavioral Therapy for Youth With Childhood‐Onset Lupus: A Randomized Clinical Trial

open access: yesArthritis Care &Research, EarlyView.
Objective Our objective was to determine the feasibility and acceptability of the Treatment and Education Approach for Childhood‐Onset Lupus (TEACH), a six‐session cognitive behavioral intervention addressing depressive, fatigue, and pain symptoms, delivered remotely to individual youth with lupus by a trained interventionist.
Natoshia R. Cunningham   +29 more
wiley   +1 more source

Stars over St Andrews : 75 years of observational astronomy at the University Observatory, St Andrews, Scotland

open access: yes, 2016
This document (© Ron Hilditch, University Observatory, St Andrews, Scotland) gives an account of the observational astronomy conducted at the University Observatory, St Andrews, from its inauguration in 1940 through to the present day, some 75 years ...
Hilditch, R. W.
core  

Mapeamento espectral de discos de acréscimo em variáveis cataclísmicas [PDF]

open access: yes, 2008
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em Física.Esta tese de doutorado é a continuação da dissertação de mestrado defendida em 2004. Nosso projeto visa analisar, com
Saito, Roberto Kalbusch
core  

A Possible Explanation of W-type Phenomena in V694 Peg

open access: yesThe Astrophysical Journal
Three sets of complete multicolor light curves of V694 Peg observed in 2013, 2015, and 2019 were presented and analyzed. Our photometric solutions show that this system was an A-type shallow contact binary in 2013 and 2015 while it converted to a W-type ...
Hu-Shan Xu, Li-Ying Zhu
doaj   +1 more source

Evaluation of a Novel Electric Health Record Sidecar Application to Display Rheumatoid Arthritis Clinical Outcomes During Clinic Visits: Results of a Stepped‐Wedge Cluster Randomized Pragmatic Trial

open access: yesArthritis Care &Research, EarlyView.
Objective We developed a novel electronic health record sidecar application to visualize key rheumatoid arthritis (RA) outcomes, including disease activity, physical function, and pain, via a patient‐facing graphical interface designed for use during outpatient visits (“RA PRO dashboard”).
Gabriela Schmajuk   +16 more
wiley   +1 more source

Carbon Stars from Gaia Data Release 3 and the Space Density of Dwarf Carbon Stars

open access: yesThe Astrophysical Journal
Carbon stars (with atmospheric C/O > 1) range widely in temperature and luminosity, from low-mass dwarfs to asymptotic giant branch (AGB) stars. The main-sequence dwarf carbon (dC) stars have inherited carbon-rich material from an AGB companion, which ...
Benjamin R. Roulston   +3 more
doaj   +1 more source

Association Between Symptomatic Knee Osteoarthritis and Target Glycemic Control in Individuals With Type 2 Diabetes

open access: yesArthritis Care &Research, EarlyView.
Objective Knee osteoarthritis (OA) commonly affects individuals with type 2 diabetes (T2DM) and is associated with increased risk of diabetes‐related complications. To better understand potential mechanisms, we examined the association between symptomatic knee OA and glycemic control in individuals with T2DM.
Lauren K. King   +10 more
wiley   +1 more source

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