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Open AccessJournal ArticleDOI

Magnetic White Dwarfs

TLDR
In this article, the current status of research on the observational and theoretical characteristics of isolated and binary magnetic white dwarfs (MWDs) is reviewed, and a review of the existing literature is presented.
Abstract
In this paper we review the current status of research on the observational and theoretical characteristics of isolated and binary magnetic white dwarfs (MWDs).

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Hot subluminous stars

TL;DR: Spectroscopic analyses of blue horizontal branch stars, subluminous B- and O-stars are reviewed in this paper, where the resulting atmospheric parameters and abundances are used to obtain constraints on the evolutionary status of different classes of stars.

Infrared Signatures of Disrupted Minor Planets at White Dwarfs

TL;DR: In this paper, the authors presented IRAC and MIPS photometric observations for 20 white dwarfs with T eff 20, 000 K and metal-contaminated photospheres.
Journal ArticleDOI

Hot subluminous stars

TL;DR: In this paper, the mass distribution in the Hertzsprung-Russell diagram of He-rich vs. He-poor hot subdwarf stars of the globular clusters omega Cen and NGC~2808 differ from that of their field counterparts.
Journal ArticleDOI

Know Your Neighborhood: A Detailed Model Atmosphere Analysis of Nearby White Dwarfs

TL;DR: In this article, the authors presented improved atmospheric parameters of nearby white dwarfs lying within 20 pc of the Sun, including DA, DB, DC, DQ, and DZ stars.
References
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Journal ArticleDOI

The Sloan Digital Sky Survey: Technical Summary

Donald G. York
- 27 Jun 2000 - 
TL;DR: The Sloan Digital Sky Survey (SDSS) as mentioned in this paper provides the data to support detailed investigations of the distribution of luminous and non-luminous matter in the Universe: a photometrically and astrometrically calibrated digital imaging survey of pi steradians above about Galactic latitude 30 degrees in five broad optical bands.
Journal ArticleDOI

The Sloan Digital Sky Survey: Technical summary

Donald G. York, +151 more
TL;DR: The Sloan Digital Sky Survey (SDSS) as discussed by the authors provides the data to support detailed investigations of the distribution of luminous and non-luminous matter in the universe: a photometrically and astrometrically calibrated digital imaging survey of π sr above about Galactic latitude 30° in five broad optical bands to a depth of g' ~ 23 mag.
Book

Accretion power in astrophysics

TL;DR: In this paper, the authors present a model for the formation of a dense disk in a binary system and a dense disc in an active galactic nuclei, where the disk is a source of energy.
Journal ArticleDOI

Catalogue of cataclysmic binaries, low-mass X-ray binaries and related objects (Seventh edition)

TL;DR: In this article, the authors present a comprehensive selection of the relevant recent literature, including a list of references to published finding charts for 635 of the 656 objects, and a cross-reference list of alias object designations.
Journal ArticleDOI

A new technique for calculations of binary stellar evolution, with application to magnetic braking

TL;DR: In this paper, a simplified stellar evolution code is proposed to calculate the evolution of close binary systems with collapsed binaries and mass-losing secondaries, which is a more general, but still simplified, technique for calculating the evolution.
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Gaia Data Release 2. Summary of the contents and survey properties

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