Klaas de Boer
Klaas de Boer, ca. 2007
Born (1941-11-16) 16 November 1941
Groningen, Groningen
NationalityDutch
Scientific career
FieldsAstronomy

Klaas Sjoerds de Boer (born 1941 in Groningen) is a Dutch astronomer and astrophysicist as well as Professor at the University of Bonn. His research mainly consisted of using data obtained with satellites and from Earth bound telescopes.

Education

De Boer studied astronomy and physics at the University of Groningen and obtained his PhD there along with Stuart Pottasch on Interstellar Absorption Lines in the Ultraviolet.

Research and teaching career

From 1974 to 1977 he was at the Institute for Space Research at the University of Groningen. From 1978 to 1981 he was a research associate at the Astronomy Department of the University of Wisconsin (USA) in Madison. Between 1981 and 1985 he was postdoc at the University of Tübingen and worked in 1985 for the University of Groningen in the collaborative project of the Netherlands and the United Kingdom of the observatory on La Palma, being based at Royal Greenwich Observatory in Herstmonceux.[1] Research periods brought him to the Astronomy Department of the Princeton University (USA) und and the University of Canterbury in Christchurch (New Zealand).

He became 1986 full Professor of Astronomie at the Sternwarte of the University of Bonn, successor of Hans Schmidt.

Using Supernovae to probe gas outside our Galaxy

Main research areas see:[2] Interstellar Gas,[3] Stars of the horizontal branch,[4] Kinematics in the Milky Way,[5] Structure of the Magellanic Clouds and Dwarf Galaxies,[6] all areas with as guiding principle ‘’investigation of the three-dimensional Structure of the local Universe’’.

He authored or co-authored over 250 publications, half in refereed journals. He organised conferences[7] and was editor of proceedings and published books. In addition, he wrote over 25 popular articles and some 30 essays for the internet.[8]

Committees

De Boer was Member and chairman of several committees, among them International Ultraviolet Explorer Programme Committee of the ESA (1986–1994), of the Gutachterausschusses Verbundforschung Astronomie und Astrophysik of the DLR (1991–1993 and 1995–2001), the Science Advisory Group of Gaia-Project (1998–2000)[9] and of the Board of Directors of the international journal Astronomy & Astrophysics (2001–2011).

He worked with his colleagues in Bonn toward a merger, in 2005, of the Sternwarte sich 2006 with Radioastronomischen Institut and the Institut für Astrophysik und extraterrestrische Forschung to form the Argelander Institute for Astronomy.

References

  1. ↑ See: Bonner Universitäts Nachrichten, Jg. 19, Nr. 164, S. 27 (1986)
  2. ↑ Siehe ADS Abstract Service
  3. ↑ Selection: de Boer K.S. et al., 1973, Astron. & Astrophys. 28, 155: On the photoionization rates in interstellar gas;  de Boer K.S., 1979, Astrophys. J. 229, 132: On the abundance of oxygen toward Zeta Ophiuchi;  Savage B.D., & de Boer K.S., 1979, Astrophys. J. 230, L77: Observational evidence for a hot gaseous galactic corona;  Richter P., de Boer K.S., et al., 1999, Nature 402, 386: Discovery of molecular hydrogen in a high-velocity cloud of the galactic halo.
  4. ↑ Selection: de Boer K.S., Code A.D., 1981, Astrophys. J. 243, L33: The far ultraviolet energy distribution of two globular cluster blue horizontal-branch stars in M 13;  de Boer K.S. et al., 1995, Astron. & Astrophys. 303, 95: Hot HB stars in globular clusters – physical parameters and consequences for theory. II. NGC 6397;  de Boer K.S. et al., 1997, Astron. & Astrophys. 317, L23: Calibrating horizontal-branch stars with Hipparcos.
  5. ↑ Selection: de Boer K.S., & Savage B.D., 1984, Astron. & Astrophys., 136, L7: Inflow of halo gas from the direction of the galactic north pole;  de Boer K.S., 2004, Astron. & Astrophys. 419, 527: The contribution of halo red giant mass loss to the high-velocity gas falling onto the Milky Way disk;  Maintz, G., de Boer K.S., 2005, Astron. & Astrophys. 442, 229: RR Lyrae stars: kinematics, orbits and z-distribution.
  6. ↑ Selection: de Boer K.S. et al., 1998, Astron. & Astrophys. 329, L49: Bow-shock induced star formation in the LMC?;  de Boer K.S. et al., 1998, Astron. & Astrophys. 338, L5: ORFEUS II echelle spectra: Absorption by H2 in the LMC;  Richter P., de Boer K.S. et al., 2015, Astron. & Astrophys. 584, L6: High-velocity gas toward the LMC resides in the Milky Way halo.
  7. ↑ 1976 Vlieland, NL: Nederlandse Astronomen Conferentie; 1983 Tübingen: Symposium Nr. 108 der International Astronomical Union; 1995 Bonn: Herbsttagung der Astronomischen Gesellschaft; 2001 Bad Honnef: Tagung des Graduiertenkollegs The Magellanic Clouds and other Dwarf Galaxies.
  8. ↑ Selection: 1978, Volkskrant (Netherlands) 22.Feb.: Hé, let op je satelliet!; , 1982, Scientific American, Vol. 247 S. 54: Hot Halos around Galaxies;  1991, Sterne und Weltraum 30, S. 154: Der Halo unserer Milchstraße;  1995, Sterne und Weltraum 34, S. 704: Satelliten vertiefen das Verständnis über das interstellare Gas;  2001, Sterne vom Anfang bis zum Ende, in Und er würfelt doch, Wiley-VCH (ISBN 3527403280), S. 71–83;  2016, Astronomie+Raumfahrt 157, S. 6: Magische Teilchen? Woher kommt der Begriff Dunkle Materie?
  9. ↑ The Gaia Science Team
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