Johannes Franz Hartmann
{| class="wikitable" align=right style="margin-top: 0; margin-left: 0.8em; font-size: 0.9em;" |+ Minor planets discovered: 3 |- | 965 Angelica || 4 November 1921 || |- | 1029 La Plata || 28 April 1924 || |- | 1254 Erfordia || 10 May 1932 || |}Johannes Franz Hartmann (11 January 1865 – 13 September 1936) was a German physicist and astronomer. In 1904, while studying the spectroscopy of Delta Orionis he noticed that most of the spectrum had a shift, except the calcium lines, which he interpreted as indicating the presence of interstellar medium.
He was the director of the La Plata Astronomical Observatory, Argentina, from November 1922 to May 1934, and was also known under the name Juan Hartmann. He oriented the work of the observatory towards astrophysics and discovered the three asteroids of the main-belt, 965 Angelica, 1029 La Plata and 1254 Erfordia at La Plata between 1921 and 1932.
His doctorate was from the University of Leipzig in 1891 on lunar eclipses.
The lunar crater ''Hartmann'' on the far side of the Moon was named in his honor. Note, however, that the asteroid 3341 Hartmann was named after William K. Hartmann and is unrelated to him. Provided by Wikipedia
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2by J. Hartmann, M. Gehrmann, K. Kohnert, S. Metzger, T. SachsGet access
Published in Atmospheric Measurement Techniques (2018)
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3by A. Tetzlaff, C. Lüpkes, G. Birnbaum, J. Hartmann, T. Nygård, T. VihmaGet access
Published in The Cryosphere (2014)
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4by A. Tetzlaff, C. Lüpkes, G. Birnbaum, J. Hartmann, T. Nygård, T. VihmaGet access
Published in The Cryosphere (2014)
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5by A. Serafimovich, S. Metzger, J. Hartmann, K. Kohnert, D. Zona, T. SachsGet access
Published in Atmospheric Chemistry and Physics (2018)
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6by D. G. Chechin, C. Lüpkes, J. Hartmann, A. Ehrlich, M. WendischGet access
Published in Atmospheric Chemistry and Physics (2023)
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7by J. Michaelis, A. U. Schmitt, C. Lüpkes, J. Hartmann, G. Birnbaum, T. VihmaGet access
Published in Earth System Science Data (2022)
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8by J. Michaelis, A. U. Schmitt, C. Lüpkes, J. Hartmann, G. Birnbaum, T. VihmaGet access
Published in Earth System Science Data (2022)
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9by A. A. Shestakova, D. G. Chechin, C. Lüpkes, J. Hartmann, M. MaturilliGet access
Published in Atmospheric Chemistry and Physics (2022)
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10by S. Gao, J. Schwinger, J. Tjiputra, I. Bethke, J. Hartmann, E. Mayorga, C. HeinzeGet access
Published in Biogeosciences (2023)
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11by N. Lehmann, H. Lantuit, M. E. Böttcher, J. Hartmann, A. Eulenburg, H. ThomasGet access
Published in Biogeosciences (2023)
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12by J. A. Collins, A. Govin, S. Mulitza, D. Heslop, M. Zabel, J. Hartmann, U. Röhl, G. WeferGet access
Published in Climate of the Past (2013)
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13by J. A. Collins, A. Govin, S. Mulitza, D. Heslop, M. Zabel, J. Hartmann, U. Röhl, G. WeferGet access
Published in Climate of the Past (2013)
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14by J. Hartmann, N. Suitner, C. Lim, J. Schneider, L. Marín-Samper, J. Arístegui, P. Renforth, J. Taucher, U. RiebesellGet access
Published in Biogeosciences (2023)
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15by M. Willeit, T. Ilyina, B. Liu, C. Heinze, M. Perrette, M. Heinemann, D. Dalmonech, V. Brovkin, G. Munhoven, J. Börker, J. Hartmann, G. Romero-Mujalli, A. GanopolskiGet access
Published in Geoscientific Model Development (2023)
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16by A. Ehrlich, M. Wendisch, C. Lüpkes, M. Buschmann, H. Bozem, D. Chechin, H.-C. Clemen, R. Dupuy, O. Eppers, J. Hartmann, A. Herber, E. Jäkel, E. Järvinen, O. Jourdan, U. Kästner, L.-L. Kliesch, F. Köllner, M. Mech, S. Mertes, R. Neuber, E. Ruiz-Donoso, M. Schnaiter, J. Schneider, J. Stapf, M. ZanattaGet access
Published in Earth System Science Data (2019)
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17by A. Ehrlich, M. Wendisch, C. Lüpkes, M. Buschmann, H. Bozem, D. Chechin, H.-C. Clemen, R. Dupuy, O. Eppers, J. Hartmann, A. Herber, E. Jäkel, E. Järvinen, O. Jourdan, U. Kästner, L.-L. Kliesch, F. Köllner, M. Mech, S. Mertes, R. Neuber, E. Ruiz-Donoso, M. Schnaiter, J. Schneider, J. Stapf, M. ZanattaGet access
Published in Earth System Science Data (2019)
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