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List of works by Michael Geffert

'Astronomie / vor Ort' - an education project in astronomy for primary schools

scholarly article published 2004

A proper motion study of ome Cen

scientific article published in January 1995

A proper motion study of the globular cluster M 10

scientific article

Absolute proper motion and space motion of the globular cluster M15

scientific article published in January 1993

Absolute proper motions for the calibration of the Hipparcos proper motion system

scholarly article

Accurate position for the globular cluster X-ray source M 15 : AC 211/X 2127+119

scientific article

Accurate position for the globular cluster X-ray source M 15 : X 2127+119

scientific article published in January 1988

Astrometridsche untersuchungen am Kugelhaufen M 12

scientific article published in January 1984

Astrometry of the globular cluster 47 Tucanae and possible optical identification of X-ray sources

scientific article published in January 1997

Bewegungen von Sternhaufen in der Galaxis

CCD observations for the determination of absolute proper motions for the HIPPARCOS link

scientific article published in January 1994

CCD suitable for double star astrometry

DIVISION I / COMMISSION 8 / WORKING GROUP ASTROGRAPHIC CATALOGUE AND CARTE DU CIEL PLATES

First results of a photometric and astrometric study of the globular cluster M 71 (NGC 6838)

scientific article published in January 2000

Formalism and quality of a proper motion link with extragalactic objects for astrometric satellite missions

scientific article published in January 2004

Globular cluster orbits based on HIPPARCOS proper motions

scientific article published in January 1997

Hipparcos based astrometric analysis of M 3 and M 92 fields: optical identification of X-ray and radio sources, space motions of globular clusters M 3 and M 92 and a galactic orbit of the sdB star PG 1716+426

scientific article published in January 1998

Hipparcos link with Carte du Ciel triple images

scientific article published in January 1993

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

scientific article published in January 1997

Hunting for brown dwarfs in the globular cluster M4: second epoch HST NIR observations

scientific article

Instantaneous and average tidal radii of globular clusters

scientific article published in March 1999

Internal motions in the Pleiades cluster

Is NGC 7243 an open star cluster?

scientific article published in January 1999

Kinematics and CMD of the globular cluster NGC 4147

scientific article published in January 2000

Kinematics of hot subdwarfs

scholarly article

Lichtkurven der veraenderlichen Sterne OQ Cas und V383 Cas

scholarly article

M15, an astrometric standard for CCD observations

scientific article published in January 1996

Membership of above horizontal branch stars in the globular cluster NGC 5466

scholarly article

Membership of ultraviolet-bright stars in the globular cluster M12

scientific article published in January 1991

New optical positions of the globular cluster X-ray sources NGC 6712:S/X 1850-086 and M 15:AC 211/X2127+119

scientific article published in January 1994

On the astrometric use of Carte du Ciel plates

scientific article published in January 1992

One more space motion of a globular cluster : NGC 4147

scientific article published in January 1985

Optical positions of 21 radio sources in the Brorfelde system

scientific article

Optical positions of four benchmark radio sources

scientific article

Optisches Langzeitverhalten der Radioquelle OQ 208

Photometric and kinematic studies of open star clusters. I. NGC 581 (M 103)

scholarly article

Photometric and kinematic studies of open star clusters. II. NGC 1960 (M 36) and NGC 2194

scientific article published in January 2000

Photometric and kinematic studies of open star clusters. III. NGC 4103, NGC 5281, and NGC 4755

scientific article published in January 2001

Photometric and proper motion studies of the open cluster NGC 7243

Photometric and proper motion studies of the open cluster NGC 7243

scientific article published in January 2003

Position and distance of nova Vulpeculae 1984

scholarly article

Position und Eigenbewegung der Radioquelle OQ 208

scholarly article

Positions and proper motions of three novae

Positions of four novae

scholarly article

Possible identification of X-ray sources in 47 Tuc

scientific article published in January 1996

Quasar link conditions for Hipparcos

scientific article published in January 1991

Radio emission of cataclysmic variable stars

scientific article published in January 1986

Results from a first astrometric test of the 2.12 m telescope of the Mexican National Astronomical Observatory at San Pedro Martir

scientific article published in January 1983

Space motions of galactic globular clusters

scientific article published in January 1988

Space motions of globular clusters NGC 362 and NGC 6218 (M12)

scientific article published in January 1991

Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. XII. Ground‐based Monitoring of 3C 390.3

scholarly article

The IMF of open star clusters with Tycho-2

scientific article

The astrometric accuracy of "Carte du Ciel" plates and proper motions in the field of the open cluster NGC 1647

scholarly article

The kinematics of globular clusters, apocentric distances and a halo metallicity gradient

scholarly article

The proper motion and membership of stars in the very young open cluster NGC 6611

The use of variable stars for astrometric measurements

Wide field search for nearby faint stars

scientific article published in January 1998

X 2127+119 and pulsar in M 15

scholarly article