Approved observational programms 2009-2012

(Abbreviations: PI = Principle Investigator; CoI = Co-Investigator; only the PIs and CoIs from the Potsdam University are mentioned here)

With the XMM-Newton orbiting X-ray observatory:

X-ray portrait of a massive star with magnetic personality
100 kiloseconds, L. Oskinova (PI)

Probing the high energies phenomena at work in early B-type stars using the RGS
200 kiloseconds, L. Oskinova (CoI)

The Drop in X-ray Flux at Spectral Type B1: Evidence for a B-Star Dividing Line?
150 kiloseconds, L. Oskinova (CoI)

The energy budget and the driving force of the supergiant shell SMC-SGS 1
80 kiloseconds, L. Oskinova (PI)

X-ray Study of Tau-Sco-like Massive Stars
40 kiloseconds, L. Oskinova (CoI)

X-rays at the Latest Stage of a Massive Star's Life
400 kiloseconds, L. Oskinova (PI)
XMM Galery

Massive stars as engines of cosmic evolution
300 kiloseconds, L. Oskinova (PI)
ESA Science Release

X-ray emission from magnetic massive stars
34 kiloseconds, L. Oskinova (PI), W.-R. Hamann (CoI)

X-ray emission from a PN and its born-again central star
80 kiloseconds, W.-R. Hamann (PI), L. Oskinova (CoI)
ESA Press Release
NASA Press Release

The fastest stellar winds as sources of hard X-rays
80 kiloseconds, L. Oskinova (PI), W.-R. Hamann (CoI), A. Feldmeier (CoI)
Astromomy picture of the week (1)
Astromomy picture of the week (2)

With the Chandra orbiting X-ray observatory:

Using X-ray occultations to probe the embedded wind shock distribution in a nearby eclipsing O star
500 kiloseconds, L. Oskinova (CoI), W.-R. Hamann (CoI)

Bow-shock around the massive star zeta Oph
75 kiloseconds, L. Oskinova (PI)

High-resolution X-ray spectra of the Wolf-Rayet star WR6
450 kiloseconds, L. Oskinova (CoI), W.-R. Hamann (CoI)

Phase dependant HETGS observations of the O-type star delta Ori
600 kiloseconds, L. Oskinova (CoI), W.-R. Hamann (CoI)

X-ray observations of Cyg X-1 in hard state
24 kiloseconds, L. Oskinova (CoI)

The weak-wind stars
250 kiloseconds, L. Oskinova (PI), W.-R. Hamann (CoI), H. Todt (CoI)

Mass-loading in planetary nebulae
100 kiloseconds, L. Oskinova, W.-R. Hamann (CoIs)
ESA Press Release
NASA Press Release

Filling the gap in understanding the wind structures
50 kiloseconds, L. Oskinova (CoI)

The cosmic archaeology with Chandra
300 kiloseconds, L. Oskinova (PI), W.-R. Hamann (CoI)
Medieninformation der Universität Potsdam
Youtube Video

Can different elements move with different velocities in a stellar wind?
30 kiloseconds, L. Oskinova (PI), W.-R. Hamann (CoI), A. Feldmeier (CoI)

With the Suzaku X-ray observatory:

Hard X-ray emission of gamma Cas
90 kiloseconds, L. Oskinova (CoI)

A strong Suzaku investigation of the weak wind stars
45 kiloseconds, L. Oskinova (PI)

With the ESO Very Large Telescope (VLT):

Magnetic fields in OB stars
17 nights in visitor mode, W.-R. Hamann (CoI), L. Oskinova (CoI)

Confirming the presence of magnetic fields in the most-evolved massive stars
9h in service mode, W.-R. Hamann (PI), L. Oskinova (CoI)

Search for magnetic fields in the most-evolved massive stars
2 nights in visitor mode, W.-R. Hamann (PI), L. Oskinova (CoI)

FLAMES survey of massive stars in the Small Magellanic Cloud
3 nights in visitor mode, L. Oskinova (PI), W.-R. Hamann (CoI), H. Todt (CoI)

Two very luminous stars in the Glactic Center region
1 night, L. Oskinova (PI), W.-R. Hamann (CoI), A. Liermann (CoI), H. Todt (CoI)

With the Hubble Space Telescope (HST):

Witnessing the Expansion of Hydrogen-Poor Ejecta in Born-Again Planetary Nebulae
2 Orbits, W.-R. Hamann (CoI), L. Oskinova (CoI), H. Todt (CoI)