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Featured researches published by J. H. K. Schmidt.


Proceedings of The International Astronomical Union | 1995

Are there Two Populations of Subdwarf B Stars Visible in Kinematic Samples

K. S. de Boer; Michael Geffert; M. Odenkirchen; J. H. K. Schmidt; A. Theissen; Jean-Paul Colin; C. Ducourant; J.-F. Lecampion

The discussions about stellar populations and their spatial distribution can be best advanced by studies of special and well defined star types. The study of subdwarf B stars provides great promise: it is relatively easy both to find sdB stars and to determine their physical parameters.


Astronomy and Astrophysics | 1996

ON THE SPREAD OF AGES AMONG THE YOUNG STARS IN THE LMC ASSOCIATION NGC 1948

J.-M. Will; Dominik J. Bomans; A. Vallenari; J. H. K. Schmidt; K. S. de Boer


Archive | 1992

Looking for gaps

J. H. K. Schmidt; S. Moehler; A. Theissen; K. S. de Boer


Archive | 1992

A statistical complete sample of hot subdwarfs

A. Theissen; S. Moehler; J. H. K. Schmidt; U. Heber


Archive | 1997

Apparently Normal o- and B-Type Stars at High Galactic Latitudes?

Ulrich Heber; S. Moehler; J. H. K. Schmidt; S. Dreizler; Michael Geffert; Iain Neill Reid


Archive | 1997

Physical Parameters and Distances of Field HBB Stars

J. H. K. Schmidt; S. Moehler; A. Theissen; Klass S. de Boer; Ulrich Heber


Archive | 1997

Calculating the Mass of Horizontal-Branch Stars with HIPPARCOS

Klass S. de Boer; Michael Geffert; H.-J. Tucholke; J. H. K. Schmidt


Archive | 1997

Subdwarf Star Orbits: are There Two Galactic Populations?

Klaas S. de Boer; J. H. K. Schmidt; Michael Geffert; Yolanda Aguilar Sanchez; Jacques Colin


Astronomy and Astrophysics | 1997

Hot subdwarf stars: galactic orbits and distribution perpendicular to the plane

K. S. de Boer; Y. Aguilar Sanchez; Martin Altmann; Michael Geffert; Michael Odenkirchen; J. H. K. Schmidt; J. Colin


Astronomy and Astrophysics | 1997

Calibrating horizontal-branch stars with Hipparcos ?

K. S. de Boer; H.-J. Tucholke; J. H. K. Schmidt

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Ulrich Heber

University of Erlangen-Nuremberg

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