University of Heidelberg

Publications

2013

December

Raiteri, C.M., Villata, M., ..., Kurtanidze, O. M., et al.
"The awakening of BL Lacertae: observations by Fermi, Swift and the GASP-WEBT"
MNRAS 436, 1530 (2013)


Manjavacas, E., Goldman, B., Reffert, S., Henning, T.
"Parallax measurements of cool brown dwarfs"
A&A 560, A52 (2013)


Manjavacas, E., Goldman, B., Reffert, S., et al.
"Parallax measurements of cool brown dwarfs"
A&A 560, A52 (2013)


Caffau, E., Bonifacio, P., ..., Sbordone, L., ..., Christlieb, N., ..., Klessen, R., Koch, A., Ludwig, H.-G., et al.
"TOPoS. I. Survey design and analysis of the first sample"
A&A 560, A71 (2013)


Caffau, E., Bonifacio, P., ..., Sbordone, L., ..., Ludwig, H.-G., et al.
"X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars"
A&A 560, A15 (2013)


November

Dobrovolskas, V., Kučinskas, A., ..., Ludwig, H.-G., ..., Caffau, E., et al.
"Three-dimensional hydrodynamical CO5BOLD model atmospheres of red giant stars. III. Line formation in the atmospheres of giants located close to the base of the red giant branch"
A&A 559, A102 (2013)


Samadi, R., Belkacem, K., Ludwig, H.-G.
"Stellar granulation as seen in disk-integrated intensity. I. Simplified theoretical modeling"
A&A 559, A39 (2013)


Samadi, R., Belkacem, K., Ludwig, H.-G.; Caffau, E., et al.
"Stellar granulation as seen in disk-integrated intensity. II. Theoretical scaling relations compared with observations"
A&A 559, A40 (2013)


Tremblay, P.-E., Ludwig, H.-G., et al.
"Spectroscopic analysis of DA white dwarfs with 3D model atmospheres"
A&A 559, A104 (2013)


Abramowski, A., Acero, F., ..., Becherini, Y., ..., Cologna, G., ..., Grondin, M.-H., ..., Jankowsky, F., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach.A., ... Schwemmer, S., ..., Wagner, S.J., et al.
"Discovery of very high energy γ-ray emission from the BL Lacertae object PKS 0301-243 with H.E.S.S."
A&A 559, A136 (2013)


Abramowski, A., Acero, F., ..., Becherini, Y., ..., Cologna, G., ..., Grondin, M.-H., ..., Jankowsky, F., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach.A., ... Schwemmer, S., ..., Wagner, S.J., et al.
"Constraints on axionlike particles with H.E.S.S. from the irregularity of the PKS 2155-304 energy spectrum"
Phys. Rev. D 88, 102003 (2013)


Cohen, J.G., Christlieb, N. , et al.
"Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2"
ApJ 778, 56 (2013)


Reipurth, B., Bally, J., ..., Appenzeller, I., et al.
"HH 222: A Giant Herbig-Haro Flow from the Quadruple System V380 Ori"
AJ 146, 118 (2013)


October

Bhatta, G., Webb, J.R., ..., Kurtanidze, O.M., et al.
"The 72-h WEBT microvariability observation of blazar S5 0716 + 714 in 2009"
A&A 558, A92 (2013)


Appenzeller, I., Bertout, C.
"Inclination effects in T Tauri star spectra"
A&A 558, A83 (2013)


Cui, W.Y., Sivarani, T., Christlieb, N.
"The Hamburg/ESO R-process Enhanced Star survey (HERES). VIII. The r+s star HE 1405-0822"
A&A 558, A36 (2013)


Kaufmann, S., Wagner, S.J., Tibolla, O.
"Discovery of an Extended X-Ray Jet in AP Librae"
ApJ 776, 68 (2013)


September

Tremblay, P.-E., Ludwig, H.-G., ..., Caffau, E.
"Granulation properties of giants, dwarfs, and white dwarfs from the CIFIST 3D model atmosphere grid"
A&A 557, A7 (2013)


Correia, S., Duchêne, G., ..., Köhler, R., et al.
"Stellar and circumstellar properties of visual binaries in the Orion Nebula Cluster"
A&A 557, A63 (2013)


Acero, F., Aharonian, F., ..., Becherini, Y., ..., Cologna, G., ..., Grondin, M.-H., ..., Jankowsky, F., ... Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"HESS and Fermi-LAT discovery of γ-rays from the blazar 1ES 1312-423"
MNRAS 434, 1889 (2013)


August

Akyuz, A., Thompson, D.J., ,,, Kurtanidze, O.M., et al.
"Long-term multiwavelength studies of high-redshift blazar 0836+710"
A&A 556, A71 (2013)


Frandsen, S., Lehmann, H.,, ..., Thygesen, A.O., et al.
"KIC 8410637: a 408-day period eclipsing binary containing a pulsating giant star"
A&A 556, 138, (2013)


Müller, A., Roccatagliata, V., ..., Caffau, E., Pasquali, A. et al.
"Reanalysis of the FEROS observations of HIP 11952"
A&A 556, A3 (2013)


July

Murphy, S. J., Pigulski, A., ..., Thygesen, A.O., et al.
"Asteroseismology of KIC 11754974: a high-amplitude SX Phe pulsator in a 343-d binary system"
MNRAS 432, 2284, (2013)


Mehner, A., Baade, D., ..., Stahl, O., et al.
"Broad-band spectroscopy of the ongoing large eruption of the luminous blue variable R71"
A&A 555, A116 (2013)


Mitchell, D.S., Reffert, S., Trifonov, T., Quirrenbach, A., et al.
"Precise radial velocities of giant stars. V. A brown dwarf and a planet orbiting the K giant stars ι Geminorum and 91 Aquarii"
A&A 555, A87 (2013)


June

Placco, V.M., Frebel, A., ..., Christlieb, N., et al.
" Metal-poor Stars Observed with the Magellan Telescope. I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-process Nucleosynthesis"
ApJ 770, 104 (2013)


Abramowski, A., Acero, F., ..., Behera, B., ..., Cologna, G., ..., Grondin, M.-H., ..., Hauser, M., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"H.E.S.S. discovery of VHE γ-rays from the quasar PKS 1510-089"
A&A 554, A107 (2013)


Caffau, E., Ludwig, H.-G. , et al.
"The photospheric solar oxygen project. II. Non-concordance of the oxygen abundance derived from two forbidden lines"
A&A 554, A126 (2013)


Sorcia, M., Benítez, E., ..., Heidt, J., et al.
"Long-term Optical Polarization Variability of the TeV Blazar 1ES 1959+650"
ApJS 206, 11 (2013)


May

Monelli, M., Milone, A.P., Sbordone, L.
"The SUMO project I. A survey of multiple populations in globular clusters"
MNRAS 431, 2126 (2013)


D'Ammando, F., Antolini, E., ..., Hauser, M., ..., Wagner, S.J., et al.
"Long-term monitoring of PKS 0537-441 with Fermi-LAT and multiwavelength observations"
MNRAS 431, 2481 (2013)


April

Spite, M., Caffau, E., Ludwig, H.-G., ..., Christlieb, N.
"Carbon-enhanced metal-poor stars: the most pristine objects?"
A&A 552, A107 (2013)


Abramowski, A., Acero, F., ..., Behera, B., ..., Cologna, G., ..., Grondin, M.-H., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"Discovery of TeV γ-ray emission from PKS 0447-439 and derivation of an upper limit on its redshift"
A&A 552, A118 (2013)


Tremblay, P.-E., Ludwig, H.-G., et al.
"Pure-hydrogen 3D model atmospheres of cool white dwarfs"
A&A 552, A13 (2013)


March

Li, H N., Ludwig, H.-G., Caffau, E., Christlieb, N., Zhao, G.
"Fluorine Abundances of Galactic Low-metallicity Giants"
ApJ 765, 51 (2013)


Rapoport, S., Onken, C., ..., Thygesen, A.O.
"On the Significance of the Excess Number of Strong Mg II Absorbers Observed toward Gamma-Ray Bursts"
ApJ 766, 23 (2013)


Bernlöhr, K, Barnacka, A., ..., Lenain, J.-P., et al.
"Monte Carlo design studies for the Cherenkov Telescope Array"
APh 43, 171 (2013)


Sol, H., Zech, A., ..., Lenain, J.-P., et al.
"Active Galactic Nuclei under the scrutiny of CTA"
APh 43, 215 (2013)


Acharya, B.S., Actis, M., ..., Wagner, S.J., et al.
"Introducing the CTA concept"
APh 43, 3 (2013)


Inoue, S., Granot, J., ..., Wagner, S.J., et al.
"Gamma-ray burst science in the era of the Cherenkov Telescope Array"
APh 43, 252 (2013)


Caffau, E., Koch, A., Sbordone, L., ..., Hansen, C.J., ..., Christlieb, N., Ludwig, H.-G., et al.
"Velocity and abundance precisions for future high-resolution spectroscopic surveys: A study for 4MOST"
AN 334, 197 (2013)


Hansen, C. J., Bergemann, M., et al.
"LTE or non-LTE, that is the question. The NLTE chemical evolution of strontium in extremely metal-poor stars"
A&A 551, A57 (2013)


Abramowski, A., Acero, F., ..., Cologna, G., ..., Grondin, M.-H., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"H.E.S.S. observations of the binary system PSR B1259-63/LS 2883 around the 2010/2011 periastron passage"
A&A 551, A94 (2013)


Ayres, T.R., Lyons, J. R., Ludwig, H.-G., Caffau, E., et al.
"Is the Sun Lighter than the Earth? Isotopic CO in the Photosphere, Viewed through the Lens of Three-dimensional Spectrum Synthesis"
ApJ 765, 46 (2013)


Li, H.N., Ludwig, H.-G., Caffau, E., Christlieb, N., et al.
"Fluorine Abundances of Galactic Low-metallicity Giants"
ApJ 765, 51 (2013)


Johnson, C.I., Rich, R.M., ..., Koch, A., et al.
"Metallicity Distribution Functions, Radial Velocities, and Alpha Element Abundances in Three Off-axis Bulge Fields"
ApJ 765, 157 (2013)


Abramowski, A., Acero, F, ..., Cologna, G., ..., Grondin, M.-H., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"Search for very-high-energy γ-ray emission from Galactic globular clusters with H.E.S.S."
A&A 551, A26 (2013)


February

Wedemeyer, S., Ludwig, H.-G., Steiner, O.
"Three-dimensional magnetohydrodynamic simulations of M-dwarf chromospheres"
AN 334, 137 (2013)


Siqueira Mello, C., Spite, M., ..., Caffau, E., et al.
"First stars. XVI. HST/STIS abundances of heavy elements in the uranium-rich metal-poor star CS 31082-001"
A&A 550, A122 (2013)


Allende Prieto, C., Koesterke, L., Ludwig, H.-G.,, ..., Caffau, E.
"Convective line shifts for the Gaia RVS from the CIFIST 3D model atmosphere grid"
A&A 550, A103 (2013)


Abramowski, A., Acero, F, ..., Cologna, G., ..., Kaufmann, S., ..., Lenain, J.-P., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with H.E.S.S."
A&A 550, A4 (2013)


Lianou, S., Grebel, E.K., ..., Koch, A.
"Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group"
A&A 550, A7 (2013)


January

Yong, D., Norris, J.E., ..., Christlieb, N., et al.
"Title: The Most Metal-poor Stars. II. Chemical Abundances of 190 Metal-poor Stars Including 10 New Stars with [Fe/H] <= -3.5"
ApJ 762, 26 (2013)


Norris, J.E., Yong, D., ..., Christlieb, N., et al.
"The Most Metal-poor Stars. IV. The Two Populations with [Fe/H] < -3.0"
ApJ 762, 28 (2013)


Dogan, G., Metcalfe, T. S.,, ..., Thygesen, A.O., et al.
"Characterizing Two Solar-type Kepler Subgiants with Asteroseismology: KIC 10920273 and KIC 11395018"
ApJ 763, 49, (2013)


Abramowski, A., Acero, F, ..., Cologna, G., ..., Grondin, M.-H., ..., Kaufmann, S., ..., Mohamed, M., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Wagner, S.J., et al.
"Search for Photon-Linelike Signatures from Dark Matter Annihilations with H.E.S.S."
Phys. Rev. Lett. Vol. 110, Issue 4, id. 041301 (2013)


Husemann, B., Jahnke, K., ..., Quirrenbach, A., et al.
"CALIFA, the Calar Alto Legacy Integral Field Area survey. II. First public data release"
A&A 549, A87 (2013)


Norris, J.E., Yong, D., ..., Christlieb, N., et al.
"The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters"
ApJ 762, 25 (2013)


Yong, D., Norris, J.E., ..., Christlieb, N., et al.
"The Most Metal-poor Stars. II. Chemical Abundances of 190 Metal-poor Stars Including 10 New Stars with [Fe/H] <= -3.5"
ApJ 762, 26 (2013)


Yong, D., Norris, J.E., ..., Christlieb, N., et al.
"The Most Metal-poor Stars. III. The Metallicity Distribution Function and Carbon-enhanced Metal-poor Fraction"
ApJ 762, 27 (2013)


Norris, J.E., Yong, D., ..., Christlieb, N., et al.
"The Most Metal-poor Stars. IV. The Two Populations with [Fe/H] <~ -3.0"
ApJ 762, 28 (2013)


Bergfors, C., Brandner, W., ..., Köhler, R.
"Stellar companions to exoplanet host stars: Lucky Imaging of transiting planet hosts"
MNRAS 428, 482 (2013)


Kučinskas, A., ..., Ludwig, H.-G., ..., Caffau, E, et al.
"Three-dimensional hydrodynamical CO5BOLD model atmospheres of red giant stars II. Spectral line formation in the atmosphere of a giant located near the RGB tip"
A&A 549, A14 (2013)


New publications 2015 2014 2013 2012 2011 2010 2009 2008 2007
to top of page