The bright optical/NIR afterglow of the faint GRB 080710 - Evidence for a jet viewed off axis (2009)
Krühler, T., Greiner, J., Afonso, P., Burlon, D., Clemens, C., Filgas, R., ...
We investigate the optical/near-infrared light curve of the afterglow of GRB 080710 in the context of rising afterglows. Optical and near-infrared photometry was performed using the seven channel...
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Krühler, T., Von-Kienlin, A., Rau, A., Sari, R., ...
Context. The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full...
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
X-ray flashes (XRFs) are a class of gamma-ray bursts (GRBs) with the peak energy of the time-integrated spectrum, Ep, below 30 keV, whereas classical GRBs have Ep of a few hundreds keV. Apart from Ep...
Correlated optical and X-ray flares in the afterglow of XRF 071031 (2009)
Krühler, T., Greiner, J., McBreen, S., Klose, S., Rossi, A., Afonso, P., ...
We present a densely sampled early light curve of the optical/near-infrared (NIR) afterglow of the X-Ray Flash (XRF) 071031 at z=2.692. Simultaneous and continuous observations in seven photometric...
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Kruehler, T., Kienlin, A. V., Rau, A., Sari, R., ...
The detection of GeV photons from gamma-ray bursts (GRBs) has important consequences for the interpretation and modelling of these most-energetic cosmological explosions. The full exploitation of the...
A candidate tidal disruption event in the Galaxy cluster Abell 3571 (2009)
Cappelluti, N., Ajello, M., Rebusco, P., Komossa, S., Bongiorno, A., Clemens, C., ...
Context. Tidal disruption events are possible sources of temporary nuclear activity in galactic nuclei and can be considered as good indicators of the existence of supermassive black holes in the...
A candidate tidal disruption event in the Galaxy cluster Abell 3571 (2009)
Cappelluti, N., Ajello, M., Rebusco, P., Komossa, S., Bongiorno, A., Clemens, C., ...
Tidal disruption events are possible sources of temporary nuclear activity in galactic nuclei and can be considered as good indicators of the existence of super massive black holes in the centers of...
A candidate tidal disruption event in the galaxy cluster Abell 3571 (2009)
Cappelluti, N., Ajello, M., Rebusco, P., Komossa, S., Bongiorno, A., Clemens, C., ...
A strong optical flare before the rising afterglow of GRB 080129 (2009)
Greiner, J., Krühler, T., McBreen, S., Ajello, M., Giannios, D., Schwarz, R., ...
GRB 080913 at redshift 6.7 (2009)
Greiner, J., Krühler, T., Fynbo, J. P. U., Rossi, A., Schwarz, R., Klose, S., ...
The redshift and afterglow of the extremely energetic gamma-ray burst GRB 080916C (2009)
Greiner, J., Clemens, C., Krühler, T., Von Kienlin, A., Rau, A., Sari, R., ...
Correlated optical and X-ray flares in the afterglow of XRF 071031 (2009)
Krühler, T., Greiner, J., McBreen, S., Klose, S., Rossi, A., Afonso, P., ...
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
Original article can be found at: http://www.aanda.org/ Copyright The European Southern Observatory (ESO). DOI: 10.1051/0004-6361/200911719
Rise and fall of the X-ray flash 080330: an off-axis jet? (2009)
Guidorzi, C., Clemens, C., Kobayashi, S., Granot, J., Melandri, A., D'Avanzo, P., ...
The afterglow of XRF 071031: evidence for correlated optical and X-ray flares (2009)
Krühler, T., Greiner, J., McBreen, S., Klose, S., Rossi, A., Küpcü Yoldas, A., ...
A strong optical flare before the rising afterglow of GRB 080129 (2008)
Greiner, J., Krühler, T., McBreen, S., Ajello, M., Giannos, D., Schwarz, R., ...
We report on GROND observations of a 40 sec duration (rest-frame) optical flare from GRB 080129 at redshift 4.349. The rise- and decay time follow a power law with indices +12 and -8, respectively,...
GRB 080913 at redshift 6.7 (2008)
Greiner, J., Kruehler, T., Fynbo, J. P. U., Rossi, A., Schwarz, R., Klose, S., ...
We report on the detection by Swift of GRB 080913, and subsequent optical/near-infrared follow-up observations by GROND which led to the discovery of its optical/NIR afterglow and the recognition of...
A photometric redshift of $z=1.8^{+0.4}_{-0.3}$ for the \agile GRB 080514B (2008)
Rossi, A., Postigo, A. De Ugarte, Ferrero, P., Kann, D. A., Klose, S., Schulze, S., ...
Aims: The AGILE gamma-ray burst GRB 080514B is the first burst with detected emission above 30 MeV and an optical afterglow. However, no spectroscopic redshift for this burst is known. Methods: We...
The 2175 A dust feature in a Gamma Ray Burst afterglow at redshift 2.45 (2008)
Krühler, T., Yoldaş, A. Küpcü, Greiner, J., Clemens, C., McBreen, S., Primak, N., ...
We present optical and near-infrared photometry of the afterglow of the long Gamma-Ray Burst GRB 070802 at redshift 2.45 obtained with the ESO/MPI 2.2 m telescope equipped with the multi-channel...
The complex light-curve of the afterglow of GRB071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
We present and discuss the results of an extensive observational campaign devoted to GRB071010A, a long-duration gamma-ray burst detected by the Swift satellite. This event was followed for almost a...
GROND - a 7-channel imager (2008)
Greiner, J., Bornemann, W., Clemens, C., Deuter, M., Hasinger, G., Honsberg, M., ...
We describe the construction of GROND, a 7-channel imager, primarily designed for rapid observations of gamma-ray burst afterglows. It allows simultaneous imaging in the Sloan g'r'i'z' and...
GROND-a 7-channel imager (2008)
Greiner, J., Bornemann, W., Clemens, C., Deuter, M., Hasinger, G., Honsberg, M., ...
The complex light curve of the afterglow of GRB 071010A (2008)
Covino, S., D'Avanzo, P., Klotz, A., Perley, D. A., Amati, L., Campana, S., ...
The 2175 Å dust feature in a gamma-ray burst afterglow at redshift 2.45 (2008)
Krühler, T., Küpcü Yoldas, A., Greiner, J., Clemens, C., McBreen, S., Primak, N., ...
A photometric redshift of z = 1.8 (-0.3) (+0.4) for the AGILE GRB 080514B (2008)
Rossi, A., Ferrero, P., Kann, D. A., Klose, S., Schulze, S., ...
The Coherent Polarimetric DLR Radar: Method, Modifications and Applications. (1991)
Chandra, M., Clemens, C., Hornbostel, A., Lueneburg, E.
Since the inception of the DLR radar, the measurement of the radar echoes corresponding to the four elements of the target backscattering matrix, in a user chosen orthogonal polarization basis has...