Results 51 to 60 of about 374,157 (297)

The Census of Exoplanets in Visual Binaries: Population Trends from a Volume-Limited Gaia DR2 and Literature Search

Frontiers in Astronomy and Space Sciences, 2021
We present results from an extensive search in the literature and Gaia DR2 for visual co-moving binary companions to stars hosting exoplanets and brown dwarfs within 200 pc.
Clémence Fontanive, Daniella Bardalez Gagliuffi   +1 more
doaj   +1 more source

Binary star astrometry with milli and sub-milli arcsecond precision [PDF]

Serbian Astronomical Journal, 2014
The past several decades have seen accelerating progress in improving binary stars fundamental parameters determinations, as new observational techniques have produced visual orbits of many spectroscopic binaries with a milli arcsecond precision.
Jankov S., Cvetković Z., Pavlović R.
doaj   +1 more source

The mass ratio distribution of B-type visual binaries in the Sco OB2 association [PDF]

, 2001
The sample of 115 B-type stars in Sco OB2 association is examined for existence of visual companions with ADONIS near-infrared adaptive optics system and coronograph in J and K bands. Practically all components in the separation range 0.3"-6" (45-900 A.U.
A. Tokovinin, Abt, Abt, Augereau, Baraffe, Beuzit, Bouvier, Bouvier, Brandner, Brown, D'Antona, de Geus, de Zeeuw, Duchêne, Duquennoy, Durisen, Fabricius, Fischer, Hubrig, Kroupa, Köhler, Mason, Meeus, N. Shatsky, Otero, Patience, Preibisch, Preibisch, Racine, Steffen, Stetson, Söderhjelm, Tokovinin, Walter, Weigelt   +34 more
core   +2 more sources

Observational properties of visual binaries as modelled using a synthetic catalogue, I: For visual apparent magnitudes $m_v < 15$ [PDF]

Astron.Astrophys. 408 (2003) 803-812, 2003
A simulated binary star catalogue is created that represents the full sky distribution of stars, excluding those with galactic latitude $|b|<10\degr$, down to $m_v < 15$. The catalogue is compatible with observed magnitude and number distributions of the HST Guide Star Catalog.
arxiv   +1 more source

Astroinformatics: The Importance of Mining Astronomical Data in Binary Stars Catalogues

Communications of the Byurakan Astrophysical Observatory, 2022
The field of Astroinformatics offers exciting new perspectives on astronomical discovery through the implementation of advanced data mining procedures.
A. Abushattal, A. A. Alrawashdeh, A. Kraishan   +2 more
semanticscholar   +1 more source

Carina OB Stars: X-ray Signatures of Wind Shocks and Magnetic Fields [PDF]

, 2011
The Chandra Carina Complex contains 200 known O- and B type stars. The Chandra survey detected 68 of the 70 O stars and 61 of 127 known B0-B3 stars. We have assembled a publicly available optical/X-ray database to identify OB stars that depart from the ...
Anthony F. J. Moffat, Antokhin, Babel, Benaglia, Berghoefer, Bessell, Broos, Cassinelli, Cassinelli, Castelli, Cohen, Cohen, Cohen, Corcoran, Daniel, David H. Cohen, de Jager, DeGioia-Eastwood, Evans, Evans, Feigelson, Feldmeier, Forte, Freyhammer, Gagne, Gagné, Gamen, Garrett Fehon, Gayley, Getman, Hamaguchi, Hillier, Hoffmeister, Ignace, Leisa K. Townsley, Leutenegger, Lida M. Oskinova, Lépine, Lépine, Maiz Apellaniz, Marc Gagné, Massey, Matthew S. Povich, Maíz Apellániz, Mermilliod, Michael F. Corcoran, Michael R. Savoy, Miroshnichenko, Moffat, Mullan, Nancy Remage Evans, Nelan, Nelan, Nolan R. Walborn, Owocki, Patience, Patrick S. Broos, Pollock, Puls, Rauw, Reed, Robitaille, Robitaille, Sanchawala, Schulz, Skiff, Skinner, Skinner, Smith, Smith, Sota, Stelzer, Turner, ud-Doula, Vazquez, Walborn, Walborn, Walborn, Walborn, Walborn, Waldron, Wegner, Wojdowski, Wolk, Wright, Yaël Nazé, Zinnecker   +86 more
core   +4 more sources

Visual Binaries: Cross-Matching and Compiling of a Comprehensive List

Open Astronomy, 2015
Visual binary stars make up the largest set among observed types of binaries (currently more than 110 000 systems are known containing more than 230 000 components).
Isaeva A. A., Kovaleva D. A., Malkov O. Yu.   +2 more
doaj   +1 more source

On the Component Masses of Visual Binaries [PDF]

Serbian Astronomical Journal, 2010
In the Sixth Catalog of Orbits of Visual Binary Stars we found those belonging to the Main Sequence to form a sample containing 432 visual binaries. Their total masses were obtained dynamically, i.e.
Ninkovic, S., Cvetkovic, Z.
doaj   +3 more sources

Orbital planes of visual binary stars are randomly oriented - A statistical demonstration

, 1988
Stephen L. Gillett
openalex   +2 more sources

A Multiwavelength Classification and Study of Red Supergiant Candidates in NGC 6946

The Astrophysical Journal, 2023
We have combined resolved stellar photometry from Hubble Space Telescope (HST), Spitzer, and Gaia to identify red supergiant (RSG) candidates in NGC 6946, based on their colors, proper motions, visual morphologies, and spectral energy distributions.
Jared R. Johnson, Brad Koplitz, Benjamin F. Williams, Julianne J. Dalcanton, Andrew Dolphin, Léo Girardi   +5 more
doaj   +1 more source