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Related papers: Wide Binary Stars in the Galactic Field - A Statis…

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We describe an astrometric and spectroscopic campaign to confirm the youth and association of a complete sample of candidate wide companions in Taurus and Upper Sco. Our survey found fifteen new binary systems (3 in Taurus and 12 in Upper…

Solar and Stellar Astrophysics · Physics 2015-05-13 Adam L. Kraus , Lynne A. Hillenbrand

We investigated the stellar mass function and the binary fraction of 114 nearby open clusters (OCs) using the high-precision photometric data from Gaia Data Release 3 (Gaia DR3). We estimated the mass of member stars by using a ridge line…

Solar and Stellar Astrophysics · Physics 2024-05-22 Yueyue Jiang , Jing Zhong , Songmei Qin , Tong Tang , Li Chen , Jinliang Hou

We present the first estimate of the intrinsic binary fraction of young stars across the central $\approx$ 0.4 pc surrounding the supermassive black hole (SMBH) at the Milky Way Galactic center (GC). This experiment searched for photometric…

As a population, field massive stars are relatively enigmatic, and this review attempts to illuminate this sector of the high-mass stellar population, which comprises 20 - 25% of the massive stars in star-forming galaxies. The statistical…

Astrophysics of Galaxies · Physics 2011-09-06 M. S. Oey , J. B. Lamb

We report a catalog of 509 pairs identified among 10403 nearby galaxies with line-of-sight velocities V_LG < 3500 km/s.We selected binary systems in accordance with two criteria (bounding and temporal), which require the physical pair of…

Astrophysics · Physics 2008-12-18 I. D. Karachentsev , D. I. Makarov

Binary stars are common in star clusters and galaxies, but the detailed effects of binary evolution are not taken into account in some colour-magnitude diagram (CMD) studies. This paper studies the CMDs of twelve globular clusters via…

Solar and Stellar Astrophysics · Physics 2015-06-12 Zhongmu Li , Caiyan Mao , Ruheng Li , Ruxi Li , Maocai Li

We need to resolve the individual stars for binary fraction determinations of stellar systems. Therefore, it is not possible to obtain the binary fractions for dense or distant stellar systems. % We proposed a method to determine the binary…

Solar and Stellar Astrophysics · Physics 2024-06-12 F. Zhang , L. Li , Z. Han , X. Wang

Observations of the high energy sky, mainly with the INTEGRAL satellite, have raised new questions about the formation and evolution of High Mass X-ray Binaries (HMXBs). The number of detected HMXBs of different types is now high enough to…

High Energy Astrophysical Phenomena · Physics 2013-02-18 A. Coleiro , S. Chaty

Stellar mass is a fundamental parameter that is key to our understanding of stellar formation and evolution, as well as the characterization of nearby exoplanet companions. Historically, stellar masses have been derived from long-term…

Solar and Stellar Astrophysics · Physics 2022-10-05 Mark R. Giovinazzi , Cullen H. Blake

We developed two different point spread function (PSF) analysis techniques for discovering wide separation binary asteroids in wide field surveys. We then applied these techniques to images of main belt asteroids in the 4 to 60 km size…

Earth and Planetary Astrophysics · Physics 2022-06-22 James Ou , Christoph Baranec , Schelte J. Bus

(Abridged) Context. This is the second paper of a series devoted to the WIde Field Nearby Galaxy-cluster Survey (WINGS). WINGS is a long term project which is gathering wide-field, multi-band imaging and spectroscopy of galaxies in a…

Cosmology and Nongalactic Astrophysics · Physics 2009-11-13 J. Varela , M. D'Onofrio , C. Marmo , G. Fasano , D. Bettoni , A. Cava , W. J. Couch , A. Dressler , P. Kjaergaard , M. Moles , E. Pignatelli , B. M. Poggianti , T. Valentinuzzi

We present coordinates and available photometric information (either from previous or recent broadband UBV observations, and near-infrared photometry from the 2MASS Point Source Catalog) for 12056 stars (11516 of which are unique)…

Astrophysics · Physics 2009-11-11 Timothy C. Beers , Tiago Almeida , Silvia Rossi , Ronald Wilhelm , Brian Marsteller

Observations of the high energy sky, particularly with the INTEGRAL satellite, have quadrupled the number of supergiant X-ray Binaries observed in the Galaxy, and revealed new populations of previously hidden High Mass X-ray Binaries…

High Energy Astrophysical Phenomena · Physics 2013-02-08 Alexis Coleiro , Sylvain Chaty

Binary stars play a major role in determining the dynamic evolution of star clusters. We used images collected with the Hubble Space Telescope to study fourteen Magellanic Clouds star clusters that span an age interval between $\sim 0.6$…

Context. Understanding the demographics of white dwarf - main sequence (WDMS) binaries is key to uncovering the formation of various stellar exotica and refining the details of binary stellar evolution. Despite several dedicated efforts to…

Solar and Stellar Astrophysics · Physics 2026-05-13 Prasanta K. Nayak

We report on a search for new wide halo binary stars in SDSS Stripe 82. A list of new halo wide binary candidates which satisfy common proper motion and photometric constraints is provided. The projected separations of the sample lie…

Astrophysics of Galaxies · Physics 2015-05-14 D. P. Quinn , M. C. Smith

We analyze 4,859 O-stars in the OGLE-III photometric survey of the LMC, including 415 eclipsing binaries (EBs). After accounting for the geometrical probability of eclipses, the period distribution of O-type binaries across $P$ = 2.5-200…

Solar and Stellar Astrophysics · Physics 2025-08-29 Maxwell Moe , M. S. Oey , Irene Vargas-Salazar , Kaitlin M. Kratter

The study of binary stars in different astronomical environments offers insights into the dynamical state of the hosting stellar systems. The Binary Fraction in fact plays a crucial role in the dynamical evolution of stellar system,…

Astrophysics of Galaxies · Physics 2024-01-18 Lidia Yalyalieva , Alexandr Chemel , Giovanni Carraro , Elena Glushkova

We investigate the effects of potential sources of systematic error on the angular and photometric redshift, z_phot, distributions of a sample of redshift 0.4 < z < 0.7 massive galaxies whose selection matches that of the Baryon Oscillation…

The statistical characteristics of double main-sequence (MS) binaries are essential for investigating star formation, binary evolution, and population synthesis. Our previous study proposed a machine learning-based method to identify MS…

Solar and Stellar Astrophysics · Physics 2025-04-04 Jia-jia Li , Jian-ping Xiong , Zhi-jia Tian , Chao Liu , Zhan-wen Han , Xue-fei Chen