Wilhelm J. Altenhoff

Astronomer in the Millimeter and Submillimeter Astronomy Group at the

Max-Planck-Institut für Radioastronomie

Auf dem Hügel 69

D-53121 Bonn

Office: Room 0. 06

Tel: +49 228 525 293

Fax: +49 228 525 229

Email: waltenhoff@mpifr-bonn.mpg.de

Fields of research:

• Physical shape and properties of asteroids and comets derived from mm-observations
• the influence of radio extinction and (anomalous) radio refraction on the measurement accuracy of telescopes at centimeter and (sub)millimeter wavelengths
• comets on ancient coins

Recently published articles:

• W.J. Altenhoff, F. Bertoldi, K.M. Menten, et al.
  Why did Comet 17P/Holmes burst out?
  A&A 495, 975 - 978 (2009)

• W.J. Altenhoff
  Kometen auf alten Muenzen
  S&W, 45, Mai 34 - 37 (2006)

• F. Bertoldi,, W.J. Altenhoff, et al.
  The trans-neptunian object UB313 is larger than Pluro
  Nature, 439, 563 - 564 (2006)

• W.J. Altenhoff, F. Bertoldi, K.M. Menten and C. Thum
  On the density of EKOs and related objects
  A&A, 441, L5 - L7 (2005)

  W.J. Altenhoff, F. Bertoldi, K. Menten, et C. Thum
  Comet C/2002 T7
  IAU Cir. 8292 (2004)

• W.J. Altenhoff, F. Bertoldi and K.M. Menten
  Size estimates of some optically bright KBOs
  A&A 415, 771 - 775 (2004)

• W.J. Altenhoff. F. Bertoldi, K.M. Menten, et al.
  Radio continuum observations of Comet C/1999 S4 (LINEAR) ..
  A&A 391, 353 - 360 (2002)

• W.J. Altenhoff, K.M. Menten, and F. Bertoldi
  Size determination of Centaur Chariklo from millimeter-wavelength bolometer observations
  A&A 366, L9 - L12 (2001)

• H.J. Wendker, W.J. Altenhoff, C. Thum
  250 GHz observations of Be stars
  Astron. Nachr. 3, 157 - 160 (2000)