Publications (27)
Spatial Variations in the Dust-to-Gas Ratio of Enceladus' Plume
M. M. Hedman, D. Dhingra, P. D. Nicholson +4
New Abundances From Very Old Stars
T. Hansen, C. J. Hansen, N. Christlieb +3
Exploring the Origin of Lithium, Carbon, Strontium and Barium with four new Ultra Metal-Poor Stars
T. Hansen, C. J. Hansen, N. Christlieb +8
Unusual neutron-capture nucleosynthesis in a carbon-rich Galactic bulge star
A. Koch, M. Reichert, C. J. Hansen +4
Stellar science from a blue wavelength range - A possible design for the blue arm of 4MOST
C. J. Hansen, H. -G. Ludwig, W. Seifert +12
Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances
C. J. Hansen, P. Jofre, A. Koch +2
Understanding the Cool DA White Dwarf, G29-38
S. J. Kleinman, R. E. Nather, D. E. Winget +37
Insights into the chemical composition of the metal-poor Milky Way halo globular cluster NGC 6426
M. Hanke, A. Koch, C. J. Hansen +1
Abundances of carbon-enhanced metal-poor stars as constraints on their formation
C. J. Hansen, B. Nordstroem, T. T. Hansen +6
The Gaia-ESO Survey: Galactic evolution of sulphur and zinc
S. Duffau, E. Caffau, L. Sbordone +48
A comparative study of two 47 Tuc giant stars with different s-process enrichment
M. J. Cordero, C. J. Hansen, C. I. Johnson +1
Evidence for a shallow thin magnetic structure and solar dynamo: the driver of torsional oscillations
T. R. Jarboe, T. E. Benedett, C. J. Everson +6
Velocity and abundance precisions for future high-resolution spectroscopic surveys: a study for 4MOST
E. Caffau, A. Koch, L. Sbordone +19
The ESO Large Programme First Stars
P. Bonifacio, J. Andersen, S. Andrievsky +19
Grid of theoretical NLTE equivalent widths of four Ba II lines and barium abundance in cool stars
S. A. Korotin, S. M. Andrievsky, C. J. Hansen +5
NLTE analysis of Sr lines in spectra of late-type stars with new R-matrix atomic data
M. Bergemann, C. J. Hansen, M. Bautista +1
Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars
R. Smiljanic, A. J. Korn, M. Bergemann +99
First stars XIII. Two extremely metal-poor RR Lyrae stars?
C. J. Hansen, B. Nordstroem, P. Bonifacio +11
EELT-HIRES the high-resolution spectrograph for the E-ELT
A. Marconi, P. Di Marcantonio, V. D'Odorico +70
A new algorithm for optimizing the wavelength coverage for spectroscopic studies: Spectral Wavelength Optimization Code (SWOC)
G. R. Ruchti, S. Feltzing, K. Lind +7
Features in the Broadband Eclipse Spectra of Exoplanets: Signal or Noise?
C. J. Hansen, J. C. Schwartz, N. B. Cowan
Detailed chemical abundances of distant RR Lyrae stars in the Virgo Stellar Stream
S. Duffau, L. Sbordone, A. K. Vivas +5
How many nucleosynthesis processes exist at low metallicity?
C. J. Hansen, F. Montes, A. Arcones
Self-organization of solar magnetic fields
T. R. Jarboe, T. E. Benedett, C. J. Everson +6
An Elemental Assay of Very, Extremely, and Ultra Metal-Poor Stars
T. Hansen, C. J. Hansen, N. Christlieb +8
Establishing the accuracy of asteroseismic mass and radius estimates of giant stars. I. Three eclipsing systems at [Fe/H]~ -0.3 and the need for a large high-precision sample
K. Brogaard, C. J. Hansen, A. Miglio +12
Astrophysics in 2005
V. Trimble, M. J. Aschwanden, C. J. Hansen