My recent publications in reverse chronological order

full texts are gzip-ped PostScript, abstracts are HTML




IC 4663: The first unambiguous [WN] Wolf-Rayet central star of a planetary nebula

B.Miszalski, P.A.Crowther, O.DeMarco, J.Köppen, A.F.J.Moffat, A.Acker, T.C.Hillwig
MNRAS (2012)
Abstract


The influence of binarity on dusty obscuration events in the planetary nebula M 2-29 and its analogues

B.Miszalski, J.Mikolajewska, J.Köppen, T.Rauch, A.Acker, M.Cohen, D.J.Frew, A.F.J.Moffat, Q.A.Parker, A.F.Jones, A.Udalski
Astron.Astrophys. 528, A39 (2011)
Abstract


PHR1315-6555: a bipolar planetary nebula in the compact Hyades-age open cluster ESO 96-SC04

Q.A.Parker,D.J.Frew, B.Miszalski, A.V.Kovacevic, P.M.Frinchaboy, P.D.Dobbie, J.Köppen
2011arXiv1101.3814P, MNRAS , in press (2011)
Abstract


Mit Spritzgebäck und Silberscheibe zum eigenen Spektroskop

J.Köppen
Sterne und Weltraum 04/2010

Starbursts in isolated galaxies: I. The influence of stellar birth function and the IMF

Ch.Theis, J.Köppen
Astron.Astrophys. 502, 486 (2009)


Ram pressure stripping of tilted galaxies

P.Jáchym, J.Köppen, J.Palouš, F.Combes
Astron.Astrophys. 500, 693 (2009)
Abstract


Mit "ESA-Dresden" ins Radiouniversum

J.Köppen
Sterne und Weltraum 03/2009

Gas stripping in galaxy clusters: a new SPH simulation approach

P.Jáchym, J.Palouš, J.Köppen, F.Combes
Astron.Astrophys. 472, 5 (2007)
Abstract
Full paper in gzipped pdf-file (4.4 MB)


A possible origin of the mass-metallicity relation of galaxies

J.Köppen, C.Weidner, P.Kroupa
MNRAS 375, 120 (2007)
Abstract
Full paper in pdf-file (467 kB)


Chemical compositions and plasma parameters of planetary nebulae with Wolf-Rayet type central stars

P.Girard, J.Köppen, A.Acker
Astron.Astrophys. 463, 265 (2006)
Abstract
Full paper in pdf-file (412 kB)
ASCII file of fluxes and intensities (54 kB)


The Macquarie/AAO/Strasbourg H$\alpha$ Planetary Nebula Catalogue: MASH

Q.A.Parker, A.Acker, D.J.Frew, M.Hartley, A.E.J.Peyaud, S.Phillipps, D.Russeil, S.F.Beaulieu, M.Cohen, J.Köppen, J.Marcout, B.Miszalski, D.H.Morgan, R.A.H.Morris, F.Ochsenbein, M.J.Pierce, A.E.Vaughan,
MNRAS 373, 79 (2006)
Abstract
Full paper in pdf-file (1.8 MB)


Effects of episodic gas infall on the chemical abundances in galaxies

J.Köppen, G.Hensler
Astron.Astrophys. 434, 531 (2005)
Abstract
Full paper in pdf-file (750 kB)


PFP 1: A Large Planetary Nebula Caught in the First Stages of ISM Interaction

M.J.Pierce, D.J.Frew, Q.A.Parker, J.Köppen
Pub.Astron.Soc.Australia 21, 334 (2004)
Abstract
Full paper (950 kB)


What PNe could tell about extinction inside external galaxies

J.Köppen
Planetary Nebulae beyond the Milky Way, Proc. ESO Workshop, Garching 19-21 May 2004, eds. J.R. Walsh, L. Stanghellini, N.G. Douglas, "ESO Astrophysics Symposia". Springer, (2006), p.217
Abstract
Full paper (1 kB)


Das CDROM Spectroskop

J.Köppen
Sterne und Weltraum 11/2003

Discussion: Between simple and chemodynamical models

J.Köppen
Galaxy Evolution - III. From simple approaches to self-consistent models, Proc. EuroConference Kiel July 16-20, 2002, eds. G.Hensler, G.Stasi\'nska, S.Harfst, P.Kroupa, Chr.Theis, Astrophys. Space Sciences, 284, 881, Kluwer, (2003)
This is the summary of one of the discussions sections of the conference. Full paper (100 kB)


A comparison of chemical and chemodynamical models

J.Köppen
Galaxy Evolution - III. From simple approaches to self-consistent models, Proc. EuroConference Kiel July 16-20, 2002, eds. G.Hensler, G.Stasi\'nska, S.Harfst, P.Kroupa, Chr.Theis, Astrophys. Space Sciences, 284, 837, Kluwer, (2003)
Abstract
Full paper (85 kB)


Evolution Chimique des Galaxies

J.Köppen
Formation et évolution des galaxies, Ecole CNRS de Goutelas XXV, eds. A.Lançon, D.Egret, J.-L.Halbwachs, Obs.Strasbourg et SFAA, p. 129 (2003)
This is the text (in French) of lectures held in a summer school.
Abstract
Full paper in ps-file (440 kB)

An inverse method to interpret colour-magnitude diagrams

J.-L.Vergely, J.Köppen, D.Egret, O.Bienaymé
Astron.Astrophys. 390, 917 (2002)
Abstract
Full paper in pdf-file (3.7 MB)


PN G291.4-00.3: A new Type I planetary nebula

D.Nürnberger, S.Durand, J.Köppen, Th.Stanke, M.Sterzik, S.Els
Astron.Astrophys. 377, 241 (2001)
Abstract
Full paper (800 kB)


On The Cosmic Origins Of Carbon And Nitrogen

R.B.C.Henry, M.G.Edmunds, J.Köppen
Astrophys.J. 541, 660 (2000)
Abstract
Full paper (pdf) (200 kB)


Planetary Nebulae in Clusters

J.Köppen, A.Acker
Massive Stellar Clusters, Proceedings of the international workshop held in Strasbourg, France, November 8-11, 1999. Eds. A.Lançon and C.Boily.
Astronomical Society of the Pacific Conference Series., p.151 (2000)
Abstract
Full paper (33 kB)


Observations of planetary nebulae in the Galactic bulge

F.Cuisinier, W.J.Maciel, A.Acker, J.Köppen, B.Stenholm
Astron.Astrophys. 353, 543 (2000)
Abstract
Full paper (98 kB)


The hidden past of Sakurai's object: Stellar properties before the final helium flash

F.Kerber, J.Köppen, M.Roth, S.C.Trager
Astron.Astrophys. 344, L79 (1999)
Abstract
Full paper (144 kB)


HaTr 10, a planetary nebula with extremely strong nitrogen lines

A. Tajitsu, S.Tamura, Y.Yadoumaru, R.Weinberger, J.Köppen
PASP 111, 1157 (1999)
Abstract
Text of paper (30 kB)
Fig.1 (207 kB)
Fig.2 (5 kB)
Fig.3 (7 kB)
Fig.4 (4 kB)


Classification and spectral analysis of faint central stars of highly excited planetary nebulae

T.Rauch, J.Köppen, R.Napiwotzki, K.Werner
Astron.Astrophys. 347, 169 (1999)


Gas Flows and the Chemical Evolution of Galaxies: III. Graphical Analysis and Secondary Elements

J.Köppen, M.G.Edmunds
MNRAS 306, 317 (1999)
Abstract
Full paper (492 kB)
There is an interactive JAVA Applet available which demonstrates the results of the paper with chemical evolution models with an arbitrary history of star formation and accretion specified by the user.

The Law of Starformation in Disk Galaxies

J.Köppen
in The Magellanic Clouds and other dwarf galaxies, Workshop Bonn/Bochum, eds. T.Richtler, J.M.Braun, Shaker Verlag, in press (1998)
Abstract
Full paper (78 kB)


The Interstellar Extinction in the Solar Neighbourhood

J.-L.Vergely, R.Freire Ferrero, D.Egret, J.Köppen
Astron.Astrophys. 340, 543 (1998)


The Opacity of the Galactic Disk derived with Planetary Nebulae

J.Köppen, J.-L.Vergely
MNRAS 299, 567 (1998)
Abstract
Full paper (125 kB)


Condensation and evaporation of interstellar clouds in chemodynamical models of galaxies

J.Köppen, Ch.Theis, G.Hensler
Astron.Astrophys. 331, 524 (1998)
Abstract
Full paper (232 kB)
If you like to have a more detailed description of how the system of equations was analyzed and what came out, you can get a rough manuscript here (255 kB)


The star formation law in disk galaxies - a Bayesian view

J.Köppen, H.-E.Fröhlich
Astron.Astrophys. 325, 961 (1997)
Abstract
Full paper (111 kB)


The variation of abundances in planetary nebulae with height above the Galactic plane

J.Köppen, F.Cuisinier
Astron.Astrophys. 318, 98 (1996)
Abstract
Full paper (132 kB)


Spectral analysis of the planetary nebula LoTr 4 and its very hot hydrogen-deficient central star

T.Rauch, J.Köppen, K.Werner
Astron.Astrophys. 310, 613 (1996)


Spectrophotometric observations of planetary nebulae high above the Galactic plane

F.Cuisinier, A.Acker, J.Köppen
Astron.Astrophys. 307, 217 (1995)
Abstract


Quasar absorption lines: The chemical compositions of the absorbing clouds

O.J.Dittmann, J.Köppen
Astron.Astrophys. 297, 671 (1995)
Abstract


The self-regulated star formation in chemodynamical models of galaxies

J.Köppen, C.Theis, G.Hensler
Astron.Astrophys. 296, 99 (1995)
Abstract
Full paper (146 kB)


Chemical evolution in an inhomogeneous interstellar medium

M.Wilmes, J.Köppen
Astron.Astrophys. 294, 47 (1994)
Abstract


Analysis of BD+33 2642 - a newly detected planetary nebula in the galactic halo and its central star

R.Napiwotzki, U.Heber, J.Köppen
Astron.Astrophys. 292, 239 (1994)
Abstract


Spectral analysis of the planetary nebula K 1-27 and its very hot hydrogen-deficient central star

T.Rauch, J.Köppen, K.Werner
Astron.Astrophys. 286, 543 (1994)


Abundance gradients from disk planetary nebulae: O, Ne, S, and Ar

W.J.Maciel, J.Köppen
Astron.Astrophys. 282, 436 (1994)


The evolution of abundance gradients in spiral galaxies

J.Köppen
Astron.Astrophys. 281, 26 (1994)
Abstract


Spectrophotometric survey of southern planetary nebulae: III. Automatic model analysis

M.Samland, J.Köppen, A.Acker, B.Stenholm
Astron.Astrophys. 264, 184 (1991)


| to my HomePage |


last update: 13 Feb. 2006 J.Köppen