Dr. Jan Robrade
Address:
Hamburger Sternwarte, Gojenbergsweg 112, 21029 Hamburg, Germany
Phone: +49 (0)40 42838 8418
Fax: +49 (0)40 42838 8598
e-mail : jrobrade@hs.uni-hamburg.de
Research interests : Cool stars in X-rays - Magnetic activity - Young stellar objects - Future X-ray mission: eROSITA (erostars)
Publications:
All publications from ADS (external link)
Refereed papers:
Soft coronal X-rays from β Pictoris
H.M. Günther, S.J. Wolk, J.J. Drake, C.M. Lisse, J. Robrade, J.H.M.M. Schmitt, ApJ, 750, 78, 2012
New X-ray observations of IQ Aurigae and α² Canum Venaticorum - Probing the magnetically channeled wind shock model in A0p stars
J. Robrade, J.H.M.M. Schmitt, A&A, 531, A58, 2011
X-ray emission from the remarkable A-type star HR 8799
J. Robrade, J.H.M.M. Schmitt, A&A, 516, A38, 2010
Coronal properties of planet-bearing stars (corr. tab. 4/5)
K. Poppenhaeger, J. Robrade, J.H.M.M. Schmitt, A&A, 515, A98, 2010
Quiescent and flaring X-ray emission from the nearby M/T dwarf binary SCR 1845-6357
J. Robrade, K. Poppenhaeger, J.H.M.M. Schmitt, A&A, 510, A12, 2010
51 Pegasi - a planet-bearing Maunder minimum candidate
K. Poppenhaeger, J. Robrade, J.H.M.M. Schmitt, J.C. Hall, A&A, 508, 1417, 2009
Altair - the 'hottest' magnetically active star in X-rays
J. Robrade, J.H.M.M. Schmitt, A&A, 497, 511, 2009
X-ray emission from the M9 dwarf 1RXS J115928.5-524717 - Quasi-quiescent coronal activity at the end of the main sequence
J. Robrade, J.H.M.M. Schmitt, A&A, 496, 229, 2009
New X-ray detections of Herbig stars
B. Stelzer, J. Robrade, J.H.M.M. Schmitt, J. Bouvier, A&A, 493, 1109, 2009
Quiescent X-ray emission from the M9 dwarf LHS 2065
J. Robrade, J.H.M.M. Schmitt, A&A, 487, 1139, 2008
Neon and oxygen in low activity stars: towards a coronal unification with the Sun
J. Robrade, J.H.M.M. Schmitt, F. Favata, A&A, 486, 995, 2008
Doppler imaging an X-ray flare on the ultrafast rotator BO Mic - A contemporaneous multiwavelength study using XMM-Newton and VLT
U. Wolter, J. Robrade, J.H.M.M. Schmitt, J.-U. Ness, A&A, 478, L11, 2008
X-rays from RU Lupi: accretion and winds in classical T Tauri stars
J. Robrade, J.H.M.M. Schmitt, A&A, 473, 229, 2007
X-ray emission from classical T Tauri stars: accretion shocks and coronae?
H.M. Günther, J.H.M.M. Schmitt, J. Robrade, C. Liefke, A&A, 466, 1111, 2007
Discovery of variable X-ray absorption in the cTTS AA Tauri
J.H.M.M. Schmitt, J. Robrade, A&A, 462, L41, 2007
A deep XMM-Newton X-ray observation of the Chamaeleon I dark cloud
J. Robrade, J.H.M.M. Schmitt, A&A, 461, 669, 2007
Coronal activity cycles in 61 Cygni
A. Hempelmann, J. Robrade, J.H.M.M. Schmitt, F. Favata, S.L. Baliunas, J.C. Hall, A&A, 460, 261, 2006
X-ray accretion signatures in the close CTTS binary V4046 Sagittarii
H.M. Günther, C. Liefke, J.H.M.M. Schmitt, J. Robrade, J.-U. Ness, A&A, 459, L29, 2006
XMM-Newton X-ray spectroscopy of classical T Tauri stars
J. Robrade, J.H.M.M. Schmitt, A&A, 449, 737, 2006
X-rays from α Centauri - The darkening of the solar twin
J. Robrade, J.H.M.M. Schmitt, F. Favata, A&A, 442, 315, 2005
Detection of X-ray emission from β Pictoris with XMM-Newton: A cool corona, a boundary layer or what ?
M. Hempel, J. Robrade, J.-U. Ness, J.H.M.M. Schmitt, A&A, 440, 727, 2005
X-ray properties of active M dwarfs as observed by XMM-Newton
J. Robrade, J.H.M.M. Schmitt, A&A, 435, 1073, 2005
X-rays from accretion shocks in T Tauri stars: The case of BP Tau
J.H.M.M. Schmitt, J. Robrade, J.-U. Ness, F. Favata, B. Stelzer, A&A, 432, L35, 2005
Detection of Saturnian X-ray emission with XMM-Newton
J.-U. Ness, J.H.M.M. Schmitt, J. Robrade, A&A, 414, L49, 2004
Spatially resolved X-ray emission of EQ Pegasi
J. Robrade, J.-U. Ness, J.H.M.M. Schmitt, A&A, 413, 317, 2004
Conferences:
eROSITA and the solar neighborhood
J. Robrade, J.H.M.M. Schmitt, Poster at 'First eROSITA International Conference', Garmisch-Partenkirchen, 2011
X-ray emission from Ap/Bp stars - Bridging cool and hot stars
J. Robrade, talk given at 'The X-ray Universe 2011', Berlin, 2011
Frontiers in X-ray astronomy Magnetic activity - the hot and cool end of the main sequence (talk)
J. Robrade, splinter session at 'Cool Stars 16', Seattle, 2010
X-rays at the end of the main sequence
J. Robrade, J.H.M.M. Schmitt, poster presentation, proceedings of 'Cool Stars 16', Seattle, 2010
Neon and oxygen in low activity stars
(Haiku-slide)
J. Robrade, J.H.M.M. Schmitt, poster presented at 'High Resolution X-ray Spectroscopy', Utrecht, 2010
Altair - The hottest 'cool star' in X-rays
J. Robrade, J.H.M.M. Schmitt, poster presented at 'Cool Stars 15', St. Andrews, 2008
X-rays from classical T Tauri stars - Accretion and wind signatures
J. Robrade, talk given at 'The X-ray Universe 2008', Granada, 2008
X-ray activity cycles in stellar coronae (Proc., MSAI)
J. Robrade, J.H.M.M. Schmitt, A. Hempelmann, poster/short talk, 'Coronae of Stars and Accretion Disks', Bonn, 2006
X-ray properties of T Tauri stars in the Chamaeleon I dark cloud
J. Robrade, J.H.M.M. Schmitt, poster presentation, Proc. of 'Cool Stars 14', Pasadena, 2006
X-ray activity cycles in stellar coronae
J. Robrade, J.H.M.M. Schmitt, A. Hempelmann, F. Favata, Proc. of 'The X-ray Universe 2005', San Lorenzo de El Escorial, 2005
X-ray spectroscopy of M dwarfs
J. Robrade, J.H.M.M. Schmitt, poster presentation, Proc. of 'Cool Stars 13', Hamburg, 2004
XMM-Newton observation of EQ Pegasi
J. Robrade, talk at splinter meeting - The Coronae and Winds of the Sun and Solar-like Stars, AG Tagung, Freiburg, 2003
Old stuff: High Energy Gamma Ray Astronomy - AGN ::: HEGRA was the precursor of H.E.S.S. and MAGIC
Detection of TeV Gamma-Rays from the BL Lac 1ES1959+650 in its low states and during a major outburst in 2002
F.A. Aharonian et al. (The HEGRA Collaboration), A&A, 406, L9, 2003
TeV gamma rays from the blazar H 1426+428 and the diffuse extragalactic background radiation
F.A. Aharonian et al. (The HEGRA Collaboration), A&A, 384, L23, 2002
HEGRA observations of the Blazar 1ES1959+650 - Further evidence for TeV activity
J. Robrade, Inst. f. Exp. Physik, Hamburg, Status report / HEGRA meeting 2001
Beobachtungen des Blazares 1ES1959+650 in verschiedenen Energiebereichen mit HEGRA und RXTE
J. Robrade, Inst. f. Exp. Physik, Hamburg, Diplomarbeit, 2001
Space Links:
HEASARC X-ray missions: Chandra XMM
ESA Russian Space Web
Views of the Solar System Spaceweather Hubble
The Sun: SOHO & TRACE & STEREO & SDO
Cool Links:
Atmospheric Optics TWAN
Snowflakes
und sonst ?! (semi-private page)
HEASARC - Picture Of the Week
Things change - To the future.....