Results 1 to 10 of about 5,915 (202)

A Cepheid Distance to NGC 4603 in Centaurus

, 1999
In an attempt to use Cepheid variables to determine the distance to the Centaurus cluster, we have obtained images of NGC 4603 with the Hubble Space Telescope on 9 epochs using WFPC2 and the F555W and F814W filters.
Alibert Y., Barry F. Madore, Graham J. A., Guzman R., Jeffrey A. Newman, Jerjen H., Labhardt L., Lucey J. R., Lucey J. R., Lucey J. R., Marc Davis, N. Silbermann, Nevalainen J., Nusser A., Peter B. Stetson, Randy Phelps, Sasselov D. D., Stein P., Stephen E. Zepf, Wendy L. Freedman, Willick J. A.   +20 more
core   +1 more source

The Clinical Impact of Antibiotic Allergy Labels on One‐Year Outcomes of Solid Organ Transplant Recipients

Clinical Transplantation, Volume 40, Issue 3, March 2026.
ABSTRACT Antibiotic allergy labels (AALs) are common and often incorrect. They have many potential impacts, including the use of broader‐spectrum antibiotics and suboptimal treatment of infections. The impact of inaccurate allergy labels on post‐transplant outcomes in the solid organ transplant population is not well described.
Sashi Niranjan Nair, Paul Bigliardi, Lauren Fontana   +2 more
wiley   +1 more source

Asteroseismology, standard candles and the Hubble Constant: what is the role of asteroseismology in the era of precision cosmology?

, 2013
Classical Cepheids form one of the foundations of modern cosmology and the extragalactic distance scale, however, cosmic microwave background observations measure cosmological parameters and indirectly the Hubble Constant, H0, to unparalleled precision ...
Biesiada, Marek, Evans, Nancy Remage, Marconi, Marcella, Neilson, Hilding R., Ngeow, Chow-Choong, Reese, Daniel R.   +5 more
core   +1 more source

Factors Associated With Opioid Agonist Treatment Engagement and Harm Reduction Service Use: Findings From the New South Wales Opioid Dependence Survey

Drug and Alcohol Review, Volume 45, Issue 3, March 2026.
ABSTRACT Introduction Opioid agonist treatment (OAT) is one of the most effective treatments for opioid dependence, but there can be barriers to accessing treatment. This study examined characteristics associated with OAT engagement—never, previous or current—among people with opioid dependence in NSW, Australia, following recent reforms to OAT access.
Thomas Santo Jr, Chrianna Bharat, Craig Rodgers, Mary Harrod, Sophia Taylor, Emma Zahra, Rachel Sutherland, Amy Peacock, Jason Grebely, Matthew Hickman, Michael Farrell, Louisa Degenhardt   +11 more
wiley   +1 more source

The contribution of microlensing surveys to the distance scale

, 1998
In the early nineties several teams started large scale systematic surveys of the Magellanic Clouds and the Galactic Bulge to search for microlensing effects.
A Cousens, A Einstein, A Gould, A Sandage, A Sandage, A Sandage, A Sandage, A Udalski, A Udalski, A Udalski, A Udalski, A Udalski, AA Cole, AN Cox, AR Walker, B Paczyński, B Paczyński, B Paczyński, BF Madore, BW Carney, C Alard, C Alard, C Alcock, C Alcock, C Alcock, C Alcock, C Alcock, C Alcock, C Alcock, C Chiosi, C Chiosi, CA Iglesias, CCEE Clement, CS Kochanek, D Zaritsky, DR Alexander, E Antonello, E Antonello, E Antonello, E Antonello, E Antonello, E Aubourg, E Porretti, F Caputo, G Bono, G Bono, G Bono, G Kovács, G Kovács, GK Andreasen, J Christensen-Dalsgaard, J Harris, J Kaluzny, J Kaluzny, JP Beaulieu, JR Beaulieu, JR Beaulieu, KZ Stanek, KZ Stanek, KZ Stanek, L Baraffe, M Aaronson, M Gehmeyr, M Gehmeyr, M Krockenberger, M Mateo, M Mateo, MJ Pierce, MJ Seaton, MJ Stift, NR Simon, NR Simon, NR Simon, NR Stothers, NR Tanvir, P Fouqué, P Grison, P Moskalik, P Moskalik, PD Sackett, R Buchler, RA Ibata, RC Kennicutt, S Morgan, S Refsdal, Sasselov, Schwarzenberg-Czerny, SM Kambur, TS Albada Van, W Freedman, W Freedman, W Preedman, WL Martin, WP Gieren, Z Kollàth   +94 more
core   +1 more source

Morbidity and Mortality Among People Living With HTLV‐1: A 30‐Year Retrospective Analysis in a Brazilian Cohort

Journal of Medical Virology, Volume 98, Issue 2, February 2026.
ABSTRACT HTLV‐1 infection is a chronic condition associated with the development of malignancies, inflammatory, and neurological disorders. In this study, the causes of hospitalization and mortality were assessed in a cohort of 508 individuals living with HTLV‐1 followed over a 30‐year period. Overall mortality was 8.5% in this population and increased
Elizabeth Souza Neves, Otavio Melo Espíndola, Raquel de Vasconcelos Carvalhaes de Oliveira, Ana Claudia Celestino Bezerra Leite, Marco Antonio Sales Dantas Lima, Marcus Tulius Teixeira Silva, Rafael Osellame, Pedro Abrahão Pinheiro Guimarães, Ricardo Vezzani Batista, André Luiz Anjos Oliveira, Abelardo Queiroz Campos Araújo   +10 more
wiley   +1 more source

Fundamentalization of Periods for First- and Second-overtone Classical Cepheids

The Astrophysical Journal Letters
Almost half of all classical Cepheids do not pulsate in fundamental mode, and nowadays, the fundamentalization of their higher-mode periods is frequently applied to increase the sample size in astrophysical investigations and allow for comparison with ...
Bogumił Pilecki
doaj   +1 more source

A Package for the Automated Classification of Periodic Variable Stars

, 2015
We present a machine learning package for the classification of periodic variable stars. Our package is intended to be general: it can classify any single band optical light curve comprising at least a few tens of observations covering durations from ...
Bailer-Jones, Coryn A. L., Kim, Dae-Won
core   +1 more source

Diagnostic Performance of the QIAstat‐Dx Meningitis/Encephalitis Panel: Insights From Seven Clinical Evaluations

MicrobiologyOpen, Volume 15, Issue 1, February 2026.
This review compares the QIAstat‐Dx ME panel with the BioFire FilmArray ME panel across seven studies on CNS infections. The findings support the clinical utility of QIAstat‐Dx, highlighting its diagnostic performance, interpretative advantages, and the need for further real‐world evaluation in high‐risk populations.
Flora Marzia Liotti, Brunella Posteraro, Maurizio Sanguinetti, Giulia De Angelis   +3 more
wiley   +1 more source

Classification of Periodic Variable Stars from TESS

The Astrophysical Journal Supplement Series
The number of known periodic variable stars has increased rapidly in recent years. As an all-sky transit survey, the Transiting Exoplanet Survey Satellite (TESS) plays an important role in detecting low-amplitude variable stars.
Xinyi Gao, Xiaodian Chen, Shu Wang, Jifeng Liu   +3 more
doaj   +1 more source