Results 1 to 10 of about 5,935,155 (266)

A New Look at an Old Cluster: The Membership, Rotation, and Magnetic Activity of Low-mass Stars in the 1.3 Gyr Old Open Cluster NGC 752 [PDF]

Astrophysical Journal, 2018
The nearby open cluster NGC 752 presents a rare opportunity to study stellar properties at ages >1 Gyr. However, constructing a membership catalog for it is challenging; most surveys have been limited to identifying its giants and dwarf members earlier ...
M. Agueros, E. Bowsher, J. Bochanski, P. Cargile, K. Covey, S. Douglas, A. Kraus, A. Kundert, N. Law, A. Ahmadi, H. Arce   +10 more
semanticscholar   +1 more source

Astrophysical Parameters of the Open Cluster NGC 2509

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2023
This study presents structural and fundamental astrophysical parameters of poorly studied open cluster NGC 2509. We used the third photometric and astrometric data release of the Gaia (Gaia DR3) to perform analyses.
Seliz Koç, Talar Yontan
doaj   +1 more source

The GALAH survey: verifying abundance trends in the open cluster M67 using non-LTE modelling [PDF]

Monthly notices of the Royal Astronomical Society, 2018
Open cluster members are coeval and share the same initial bulk chemical composition. Consequently, differences in surface abundances between members of a cluster that are at different evolutionary stages can be used to study the effects of mixing and ...
Xudong Gao, K. Lind, A. Amarsi, S. Buder, A. Dotter, T. Nordlander, M. Asplund, J. Bland-Hawthorn, G. D. De Silva, V. D’Orazi, K. Freeman, J. Kos, G. Lewis, Jane Lin, S. Martell, K. Schlesinger, Sanjib Sharma, J. Simpson, D. Zucker, T. Zwitter, G. D. Da Costa, B. Anguiano, J. Horner, E. Hyde, P. Kafle, D. Nataf, W. Reid, D. Stello, Y. Ting   +28 more
semanticscholar   +1 more source

Characterization of Open Cluster Remnants [PDF]

Astronomy & Astrophysics, 2007
16 pages, 15 figures, A&A ...
Pavani, D. B, Bica, E.
openaire   +3 more sources

Improving the open cluster census [PDF]

Astronomy & Astrophysics
Context. The census of open clusters has exploded in size thanks to data from the Gaia satellite. However, it is likely that many of these reported clusters are not gravitationally bound, making the open cluster census impractical for many scientific ...
E. L. Hunt, S. Reffert
semanticscholar   +1 more source

The Open Cluster Chemical Abundances and Mapping Survey. II. Precision Cluster Abundances for APOGEE Using SDSS DR14 [PDF]

Astronomical Journal, 2018
The Open Cluster Chemical Abundances and Mapping (OCCAM) survey aims to produce a comprehensive, uniform, infrared-based spectroscopic data set for hundreds of open clusters, and to constrain key Galactic dynamical and chemical parameters from this ...
J. Donor, P. Frinchaboy, K. Cunha, B. Thompson, J. O’Connell, G. Zasowski, K. Jackson, B. McGrath, B. McGrath, Andrés Almeida, D. Bizyaev, D. Bizyaev, R. Carrera, D. A. García-Hernández, C. Nitschelm, K. Pan, O. Zamora   +16 more
semanticscholar   +1 more source

Commonalities and Differences of Cluster Policy of Asian Countries; Discussion on Cluster Open Innovation

Journal of Open Innovation: Technology, Market and Complexity, 2021
The article aims at investigating the commonalities and differences between cluster policies in selected East Asian and Southeast Asian countries: Thailand, Singapore, South Korea, and China, to outline the Asian model of a cluster policy.
Arkadiusz Michał Kowalski, Marta Mackiewicz   +1 more
doaj   +1 more source

The Perfect Match! A Review and Tutorial on Issues Related to Matching Groups in Investigations of Children with Neurodevelopmental Conditions

Brain Sciences, 2023
Research concerned with children and young people who have neurodevelopmental disabilities (ND) in relation to early language acquisition usually involves comparisons with matched group(s) of typically developing individuals.
David Messer, Lucy A. Henry, Henrik Danielsson   +2 more
doaj   +1 more source

NGC 2180: A disrupting open cluster? [PDF]

Astronomy & Astrophysics, 2004
9 pages, 8 ...
Bonatto, Charles, Bica, Eduardo, Pavani, Daniela   +2 more
openaire   +2 more sources

Hunting for Neighboring Open Clusters with Gaia DR3: 101 New Open Clusters within 500 pc

The Astrophysical Journal Supplement Series, 2023
We systematically searched for open clusters in the solar neighborhood within 500 pc using the pyUPMASK and HDBSCAN clustering algorithms based on Gaia DR3.
Songmei Qin, Jing Zhong, Tong Tang, Li Chen   +3 more
doaj   +1 more source