Astrometric Demonstrator in Optical Interferometry with the test siderostats at Paranal (2007)
G. Daigne, F. Delplancke, F. Arenou, F. Derie, P. Dierich, M. Odenkirchen, ...
We propose a near-IR demonstration experiment with the two VLTI test siderostats (0.4 m) at Paranal, to be used both in wide-angle single-field and in narrow-angle dual-field astrometry. The...
3D kinematics of white dwarfs from the SPY project. II. (2006)
Pauli, E.M., Napiwotzki, R., Heber, U., Altmann, M., Odenkirchen, M.
3D kinematics of white dwarfs from the SPY project II (2005)
Napiwotzki, R., Heber, U., Altmann, M., Odenkirchen, M.
We present the kinematics of a sample of 398 DA white dwarfs from the SPY project (ESO SN Ia Progenitor surveY) and discuss kinematic criteria for distinguishing thin-disk, thick-disk, and halo...
3D-Kinematics of White Dwarfs from the SPY-Project (2004)
Pauli, E-M., Heber, U., Napiwotzki, R., Altmann, M., Odenkirchen, M.
We present kinematics of a sample of 398 DA white dwarfs from the SPY project (ESO SN Ia Progenitor surveY) and discuss kinematic criteria for a distinction of thin disk, thick disk, and halo...
Mass Segregation in the Globular Cluster Palomar 5 and its Tidal Tails (2004)
Koch, A., Grebel, E. K., Odenkirchen, M., Martinez-Delgado, D., Caldwell, J. A. R.
We present the stellar main sequence luminosity function (LF) of the disrupted, low-mass, low-concentration globular cluster Palomar 5 and its well-defined tidal tails, which emanate from the cluster...
Girardi, L., Grebel, E. K., Odenkirchen, M., Chiosi, C.
Following Paper I, we provide extended tables of bolometric corrections, extinction coefficients, stellar isochrones, and integrated magnitudes and colours of single-burst stellar populations, for...
Modeling the disruption of the globular cluster Pal5 by Galactic tides (2004)
Dehnen, W., Odenkirchen, M., Grebel, E. K., Rix, H-W.
In order to understand the extended massive tidal tails of the globular cluster Pal5, its very low mass and velocity dispersion, and its size, which is much larger than the theoretical tidal radius,...
Girardi, L., Grebel, E. K., Odenkirchen, M., Chiosi, C.
Following Paper I, we provide extended tables of bolometric corrections, extinction coefficients, stellar isochrones, and integrated magnitudes and colours of single-burst stellar populations, for...
A calibration map for Wide Field Imager photometry (2004)
Koch, A., Odenkirchen, M., Grebel, E. K., Caldwell, J. A. R.
We present a prescription to correct large-scale intensity variations affecting imaging data taken with the Wide Field Imager (WFI) at the MPG/ESO 2.2 m telescope at the European Southern Observatory...
Correcting spatial gradients (2004)
Koch, A., Grebel, E. K., Odenkirchen, M., Caldwell, J. A. R.
We present a method to significantly reduce large-scale photometric variations seriously affecting imaging data from the Wide Field Imager (WFI). The primary source for these gradients is non-uniform...
Galactic halo substructure from A-F stars in the SDSS (2004)
Newberg, H. J., Yanny, B., Grebel, E. K., MartÃnez-Delgado, D., Odenkirchen, M.
A calibration map for Wide Field Imager photometry (2003)
Koch, A., Odenkirchen, M., Grebel, E. K., Caldwell, J. A. R.
We present a prescription to correct large-scale intensity variations affecting imaging data taken with the Wide Field Imager (WFI) at the MPG/ESO 2.2 m telescope at the European Southern Observatory...
The luminosity function of Palomar 5 and its tidal tails (2003)
Koch, A., Odenkirchen, M., Grebel, E. K., Martinez-Delgado, D., Caldwell, J. A. R.
We present the main sequence luminosity function of the tidally disrupted globular cluster Palomar 5 and its tidal tails. For this work we analyzed imaging data obtained with the Wide Field Camera at...
The tidal perturbation of the low-mass globular cluster NGC 5466 (2003)
Odenkirchen, M., Grebel, E. K.
The distribution of stars in the outer part of the sparse globular cluster NGC 5466 provides evidence for possible tidal mass loss after a recent disk-shock near the solar circle.
The extended tails of Palomar 5: A ten degree arc of globular cluster tidal debris (2003)
Odenkirchen, M., Grebel, E. K., Dehnen, W., Yanny, B., Newberg, H., ...
Using wide-field photometric data from the Sloan Digital Sky Survey (SDSS) we recently showed that the Galactic globular cluster Palomar 5 is in the process of being tidally disrupted. Its tidal...
3D kinematics of white dwarfs from the SPY project (2003)
Pauli, E.M., Napiwotzki, R., Altmann, M., Heber, U., Odenkirchen, M., Kerber, F.
3D kinematics of white dwarfs from the SPY project (2003)
Napiwotzki, R., Altmann, M., Heber, U., Odenkirchen, M., Kerber, F.
We present kinematics of a sample of 107 DA white dwarfs from the SPY project and discuss kinematic criteria for a distinction of thin disk, thick disk, and halo populations. This is the first...
A low-latitude halo stream around the Milky Way (2003)
Yanny, B., Newberg, H.J., Grebel, E.K., Kent, S., Odenkirchen, M., Rockosi, C.M., ...
The extended tidal tails of Palomar 5: Tracers of the galactic potential (2003)
Odenkirchen, M., Grebel, E. K., Dehnen, W., Newberg, H. J., Rockosi, C. M., ...
Palomar 5 and its tidal tails: New observational results (2003)
Odenkirchen, M., Grebel, E. K., Dehnen, W., Rix, H. W., Rockosi, C. M., Newberg, H., ...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
The first data release of the Sloan Digital Sky Survey (2003)
Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...
The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...
Palomar 5 and its tidal tails: New observational results (2002)
Odenkirchen, M., Grebel, E. K., Dehnen, W., Rockosi, C. M., Newberg, H., ...
Sloan Digital Sky Survey data for the field of the globular cluster Pal 5 reveal the existence of a long massive stream of tidal debris spanning an arc of 10 degrees on the sky. Pal 5 thus provides...
Sloan Digital Sky Survey: Early data release (2002)
Stoughton, C., Lupton, R. H., Bernardi, M., Blanton, M. R., Burles, S., Castander, F. J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of 10 6 galaxies, 100,000...
The Extended Tails of Palomar 5: A Ten Degree Arc of Globular Cluster Tidal Debris (2002)
Odenkirchen, M., Grebel, E. K., Dehnen, W., Rix, H. W., Rockosi, C. M., Newberg, H., ...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...
Sloan Digital Sky Survey: early data release (2002)
Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...
The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...
NGC 6994 - clearly not a physical stellar ensemble (2001)
The sparse stellar ensemble NGC 6994 = M73 has recently been discussed as a possible remnant of an old open cluster. In order to solve the controversy on the nature of this object we have taken...
Odenkirchen, M., Grebel, E. K., Rockosi, C. M., Dehnen, W., Ibata, R., ...
We report the discovery of two well-defined tidal tails emerging from the sparse remote globular cluster Palomar 5. These tails stretch out symmetrically to both sides of the cluster in the direction...
Fundamental properties of the open cluster NGC 2355 (2000)
Soubiran, C., Odenkirchen, M., Campion, J. -F. Le
NGC 2355 is an old open cluster in the outer part of the galactic disk (l=203 deg, b=+11 deg) which has been little studied until now. This paper presents the first astrometric and spectroscopic...
Hot subdwarf stars - galactic orbits and distribution perpendicular to the plane (1997)
De Boer, K. S., Sanchez, Y. Aguilar, Altmann, M., Geffert, M., Odenkirchen, M., Schmidt, J. H. K., ...
The spatial distribution and the population nature of subdwarf B type stars in the galaxy is investigated based on the kinematics of these stars. The orbits of 41 stars have been calculated using a...
Space Motions And Orbits Of Globular Clusters
P. Brosche, M. Odenkirchen, M. Geffert
Our sample of 15 clusters participates with +40 km s \Gamma1 in the galactic rotation. A diagram with the two invariants specific axial angular momentum and specific total energy is presented....