University of Heidelberg

Publications

2008

December

Aharonian, F., Akhperjanian, A.G., ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S.,..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Tibolla, O., ..., Wagner, S.J.
"Energy Spectrum of Cosmic-Ray Electrons at TeV Energies"
Phys. Rev. Lett. 101, 261104 (2008)


Elias, N.M., II
"Photon orbital angular momentum in astronomy"
A&A 492, 883 (2008)


Aharonian, F., Akhperjanian, A.G., ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H...., Tibolla, O., ..., Wagner, S.J.
"Simultaneous HESS and Chandra observations of Sagittarius A* during an X-ray flare"
A&A 492, L25 (2008)


Casassus, S., Dickinson, C., ..., Stahl, O., Roche, P.
"Centimetre-wave continuum radiation from the ρ Ophiuchi molecular cloud"
MNRAS. 391, 1075 (2008)


November

Arentoft, T., Kjeldsen, H., Bedding, T.R., ..., Reffert, S., et al.
"A Multi-Site Campaign to measure Solar-Like Oscillations in Procyon: I. Observations, Data Reduction and Slow Variations "
ApJ 687, 1180 (2008)


Zechmeister, M., Reffert, S., Hatzes, A. P., Endl, M., Quirrenbach, A.
"The discovery of stellar oscillations in the K giant ι Draconis"
A&A 491, 531 (2008)


Fuhrmann, L., Krichbaum, T. P., ..., Wagner, S. J., et al.
"Testing the inverse-Compton catastrophe scenario in the intra-day variable blazar S5 0716+71. III. Rapid and correlated flux density variability from radio to sub-mm bands"
A&A 490, 1019 (2008)


Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H...., Tibolla, O., ..., Wagner, S.J.
"Discovery of a VHE γ-ray source coincident with the supernova remnant CTB 37A"
A&A 490, 685 (2008)


Lynch, D.K., Woodward, C.E., ..., Krautter, J., et al.
"Nova V2362 Cygni (nova Cygni 2006): Spitzer, Swift, and Ground-Based Spectral Evolution"
AJ 136, 1815 (2008)


October

Lunine, J.I., Fischer, D., ..., Quirrenbach, A., et al.
"Worlds Beyond: A Strategy for the Detection and Characterization of Exoplanets Executive Summary of a Report of the ExoPlanet Task Force Astronomy and Astrophysics Advisory Committee Washington, DC"
AsBio 8, 875 (2008)


Aharonian, F., Akhperjanian, A.G., ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H...., Tibolla, O., ..., Wagner, S.J.
"Search for gamma rays from dark matter annihilations around intermediate mass black holes with the HESS experiment"
Phys. Rev. D 78, 072008 (2008)


Aharonian, F., Akhperjanian, A.G., ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H...., Tibolla, O., ..., Wagner, S.J.
"Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304"
Phys. Rev. Lett. 101, 170402 (2008)


Elias, N.M., II, Koch, R.H., Pfeiffer, R.J.
"Polarimetric measures of selected variable stars"
A&A 489, 911 (2008)


Villforth, C., Heidt, J., Nilsson, K.
"QSO host galaxies in the FORS Deep Field"
A&A 488, 133 (2008)


September

Köhler, R., Neuhäuser, R., Krämer, S. et al.
"Multiplicity of young stars in and around R Coronae Australis"
A&A 488, 997 (2008)


Aharonian, F., Akhperjanian, A. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H...., Tibolla, O., ..., Wagner, S.J.
"HESS upper limits for Kepler's supernova remnant"
A&A 488, 219 (2008)


Frebel, A., Collet, R., Eriksson, K., Christlieb, N., Aoki, W.
"HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum"
ApJ 684, 588 (2008)


August

Hujeirat, A., Camenzind, M., Keil, B.W.
"An implicit numerical algorithm for solving the general relativistic hydrodynamical equations around accreting compact objects"
New Astronomy 13, 436 (2008)


Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Chandra and HESS observations of the supernova remnant CTB 37B"
A&A 486, 829 (2008)


Walborn, N. R., Stahl, O., Gamen, R.C., Szeifert, Th., et al.
"A Three-Decade Outburst of the LMC Luminous Blue Variable R127 Draws to a Close"
ApJ 683, L33 (2008)


Stahl, O., Wade, G., Petit, V., Stober, B., Schanne, L.
"Long-term monitoring of θ1 Ori C: the spectroscopic orbit and an improved rotational period"
A&A 487, 323 (2008)


June

Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Discovery of very-high-energy γ-ray emission from the vicinity of PSR J1913+1011 with HESS"
A&A 484, 435 (2008)


Stawarz, L., Ostorero, L., ..., Wagner, S.J.
"Evolution of and High-Energy Emission from GHz-Peaked Spectrum Sources"
ApJ 680, 911 (2008)


Sato, R., Kataoka, J., ..., Wagner, S.J.
"Suzaku Observation of the TeV Blazar 1ES 1218+304: Clues on Particle Acceleration in an Extreme TeV Blazar"
ApJ 680, L9 (2008)


Christlieb, N., Schörck, T., Frebel, A., Beers, T.C., Wisotzki, L., Reimers, D.
"The stellar content of the Hamburg/ESO survey. IV. Selection of candidate metal-poor stars"
A&A 484, 721 (2008)


Janson, M., Reffert, S., Brandner, W., Henning, T., Lenzen, R., Hippler, S.
"A comprehensive examination of the ε Eridani system - Verification of a 4 micron narrow-band high-contrast imaging approach for planet searches "
A&A 488, 771 (2008)


Damineli, A., Hillier, D.J., Corcoran, M.F., Stahl, O., et al.
"A multispectral view of the periodic events in η Carinae"
MNRAS 386, 2330 (2008)


May

Semkov, E.H., Tsvetkov, M.K., ..., Birkle, K., Mandel, H., et al.
"A long-term photometric study of V 1184 Tauri"
A&A 483, 537 (2008)


Köhler, R., Ratzka, T., Herbst, T. M.; Kasper, M.
"Orbits and masses in the T Tauri system"
A&A 482, 929 (2008)


Lietzen, H., Nilsson, K., ..., Wagner, S.J.
"Clustering environment of BL Lacertae object RGB 1745+398"
A&A 482, 771 (2008)


Aharonian, F., Akhperjanian, A.G., ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Exploring a SNR/molecular cloud association within HESS J1745-303"
A&A 483, 509 (2008)


April

Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.
"Discovery of very high energy γ-ray emission coincident with molecular clouds in the W 28 (G6.4-0.1) field"
A&A 481, 401 (2008)


Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Kaufmann, S., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Quirrenbach, A., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Discovery of VHE γ-rays from the high-frequency-peaked BL Lacertae object RGB J0152+017"
A&A 481, L103 (2008)


Gupta, A.C., Fan, J.H., Bai, J. M., Wagner, S.J.
"Optical Intra-Day Variability in Blazars"
AJ 135, 1384 (2008)


Schartmann, M., Meisenheimer, K., Camenzind, M., et al.
"Three-dimensional radiative transfer models of clumpy tori in Seyfert galaxies"
A&A 482, 67 (2008)


Valtonen, M., Lehto, H.J., Nilsson, K., Heidt, J., et al.
"A test of a massive binary black hole system and of Einsteins General Relativity in the quasar OJ 287"
Nature 452, 851 (2008)


March

Hekker, S., Snellen, I., Aerts, C., Quirrenbach, A., Reffert, S., Mitchell, D.S.
"Precise radial velocities of giant stars. IV. A correlation between surface gravity and radial velocity variation and a statistical investigation of companion properties"
A&A 480, 215 (2008)


Johnson, J.A., Marcy, G.W., ...,Reffert, S., et al.
"Retired A Stars and Their Companions II: Jovian planets orbiting κ Coronae Borealis and HD 167042 "
ApJ 675, 784 (2008)


Kürster, M., Endl, M., Reffert, S.
"A probable close brown dwarf companion to GJ 1046 (M 2.5V)"
A&A 483, 869 (2008)


Damineli, A. , Hillier, D.J., Corcoran, M.F., Stahl, O., et al.
"The periodicity of the η Carinae events"
MNRAS 384, 1649 (2008)


February

Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Upper limits from HESS active galactic nuclei observations in 2005-2007"
A&A 478, 387 (2008)


Aharonian, F., Akhperjanian, A.G. , ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M...., Pühlhofer, G., ...,Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"Observations of the Sagittarius dwarf galaxy by the HESS experiment and search for a dark matter signal"
APh 29, 55 (2008)


Villata, M, Raiteri, C.M., Larinov, V.M., Heidt,J., et al.
"Multifrequency monitoring of the blazar 0716+714 during the GASP-WEBT-AGILE campaign of 2007"
A&A 481, L79 (2008)


January

Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"HESS very-high-energy γ-ray sources without identified counterparts"
A&A 477, 353 (2008)


Aharonian, F., Akhperjanian, A.G. , ..., Behera, B., ..., Emmanoulopoulos, D., ..., Hauser, D., Hauser, M., ..., Pedaletti, G., ..., Pühlhofer, G., ..., Schwemmer, S., ..., Tam, P.H., ..., Wagner, S.J.
"HESS observations and VLT spectroscopy of PG 1553+113"
A&A 477, 481 (2008)


Kataoka, J., Madejski, G., ..., Wagner, S.J. et al.
"Multiwavelength Observations of the Powerful γ-Ray Quasar PKS 1510-089: Clues on the Jet Composition"
ApJ 672, 787 (2008)


Gehrz, R.D., Woodward, C.E., ..., Krautter, J., et al.
"The Neon Abundance in the Ejecta of QU Vulpeculae from Late-Epoch Infrared Spectra"
ApJ 672, 1167 (2008)


Cohen, J.G., Christlieb, N., McWilliam, A., et al.
"New Extremely Metal-Poor Stars in the Galactic Halo"
ApJ 672, 320 (2008)


Stahl, O., Casassus, S., Wilson, T.
"Interstellar 12C/13C from CH+ absorption lines: results from an extended survey"
A&A 477, 865 (2008)


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