Jörn Helbert
Jörn Helbert
DLR, Institute for Planetary Research
Adresse e-mail validée de dlr.de - Page d'accueil
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Recent hotspot volcanism on Venus from VIRTIS emissivity data
SE Smrekar, ER Stofan, N Mueller, A Treiman, L Elkins-Tanton, J Helbert, ...
Science 328 (5978), 605-608, 2010
Scientific goals for the observation of Venus by VIRTIS on ESA/Venus Express mission
P Drossart, G Piccioni, A Adriani, F Angrilli, G Arnold, KH Baines, ...
Planetary and Space Science 55 (12), 1653-1672, 2007
South-polar features on Venus similar to those near the north pole
G Piccioni, P Drossart, A Sanchez-Lavega, R Hueso, FW Taylor, ...
Nature 450 (7170), 637-640, 2007
Ground-based GPS imaging of ionospheric post-seismic signal
P Lognonné, J Artru, R Garcia, F Crespon, V Ducic, E Jeansou, ...
Planetary and Space Science 54 (5), 528-540, 2006
The Mercury radiometer and thermal infrared spectrometer (MERTIS) for the BepiColombo mission
H Hiesinger, J Helbert, MCI Team
Planetary and Space Science 58 (1-2), 144-165, 2010
Spectroscopic observations of Mercury's surface reflectance during MESSENGER's first Mercury flyby
WE McClintock, NR Izenberg, GM Holsclaw, DT Blewett, DL Domingue, ...
Science 321 (5885), 62-65, 2008
A dynamic upper atmosphere of Venus as revealed by VIRTIS on Venus Express
P Drossart, G Piccioni, JC Gérard, MA Lopez-Valverde, ...
Nature 450 (7170), 641-645, 2007
Venus surface thermal emission at 1 μm in VIRTIS imaging observations: Evidence for variation of crust and mantle differentiation conditions
N Mueller, J Helbert, GL Hashimoto, CCC Tsang, S Erard, G Piccioni, ...
Journal of Geophysical Research: Planets 113 (E5), 2008
Mercury's hollows: Constraints on formation and composition from analysis of geological setting and spectral reflectance
DT Blewett, WM Vaughan, Z Xiao, NL Chabot, BW Denevi, CM Ernst, ...
Journal of Geophysical Research: Planets 118 (5), 1013-1032, 2013
Mercury’s weather-beaten surface: Understanding Mercury in the context of lunar and asteroidal space weathering studies
DL Domingue, CR Chapman, RM Killen, TH Zurbuchen, JA Gilbert, ...
Space Science Reviews 181 (1-4), 121-214, 2014
The low-iron, reduced surface of Mercury as seen in spectral reflectance by MESSENGER
NR Izenberg, RL Klima, SL Murchie, DT Blewett, GM Holsclaw, ...
Icarus 228, 364-374, 2014
VIRTIS: the visible and infrared thermal imaging spectrometer
G Piccioni, P Drossart, E Suetta, M Cosi, E Amannito, A Barbis, R Berlin, ...
ESA special publication 1295, 2007
Spectral emissivity measurements of Mercury's surface indicate Mg-and Ca-rich mineralogy, K-spar, Na-rich plagioclase, rutile, with possible perovskite, and garnet
AL Sprague, KLD Hanna, RWH Kozlowski, J Helbert, A Maturilli, ...
Planetary and Space Science 57 (3), 364-383, 2009
The MASCOT radiometer MARA for the Hayabusa 2 mission
M Grott, J Knollenberg, B Borgs, F Hänschke, E Kessler, J Helbert, ...
Space Science Reviews 208 (1), 413-431, 2017
The Berlin emissivity database (BED)
A Maturilli, J Helbert, L Moroz
Planetary and Space Science 56 (3-4), 420-425, 2008
The dust activity of comet C/1995 O1 (Hale-Bopp) between 3 AU and 13 AU from the Sun
M Weiler, H Rauer, J Knollenberg, L Jorda, J Helbert
Astronomy & Astrophysics 403 (1), 313-322, 2003
Global inventory and characterization of pyroclastic deposits on Mercury: New insights into pyroclastic activity from MESSENGER orbital data
TA Goudge, JW Head, L Kerber, DT Blewett, BW Denevi, DL Domingue, ...
Journal of Geophysical Research: Planets 119 (3), 635-658, 2014
The emissivity of a fine-grained labradorite sample at typical Mercury dayside temperatures
J Helbert, A Maturilli
Earth and Planetary Science Letters 285 (3-4), 347-354, 2009
Surface brightness variations seen by VIRTIS on Venus Express and implications for the evolution of the Lada Terra region, Venus
J Helbert, N Müller, P Kostama, L Marinangeli, G Piccioni, P Drossart
Geophysical Research Letters 35 (11), 2008
Optical observations of Comet 67P/Churyumov-Gerasimenko
M Weiler, H Rauer, J Helbert
Astronomy & Astrophysics 414 (2), 749-755, 2004
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