Johannes G. Staguhn

Research Assistant Professor

Laboratory for Observational Cosmology, Code 665,

NASA/Goddard Space Flight Center, Greenbelt, MD 20771

Phone:  (301) 286-7840

E-mail: staguhn@gsfc.nasa.gov

1996          Ph.D. (Dr.rer.nat.), Experimental Physics 1996, University of Cologne, Cologne, Germany

1992          Diploma in Physics 1992, University of Cologne, Cologne, Germany

Instrumentation

n  Superconducting Transition Edge sensor (TES) bolometer technology

n  Superconducting Quantum Interference Dev (SQUID) multiplexer technology for TES read out

n  Development of a broadband (4 GHz) multichannel radiometer, operating at 22 GHz, for the BIMA mm interferometer incl. hardware programming, data acquisition and analysis.

n  Development and support of Acousto Optical Spectrometers (AOS)

n  Development of an impedance matching structure for HF modulation of optical laser diode

Software

n  Software development for surface correction of radio telescopes telescope by means of phase retrieval holography

n  Developed telluric line shape modeling software

Astrophysics

n  Interferometric mm-wavelength molecular line studies of quasars, galaxy clusters, and galactic sources

n  cm through near IR spectroscopic and continuum observations of the Galactic center region and high-z Galaxies.

n  Galactic and extragalactic observations of interstellar neutral carbon

n  Science/technical team member of NASA/DLR SOFIA airborne observatory’s instruments SAFIRE and HAWC

n  P.I. 2mm camera (GISMO) for the IRAM 30m telescope

n  Science Team member in the NASA far-infrared all sky survey project SIRCE

n  Science Team member on the Boeing/SVS lead architecture study for the Terrestrial Planet Finder (TPF)

n  Three trips to the Amundsen-Scott South Pole Station for deployment of the AST/RO telescope

 “On the discovery of the first 350 micron-selected galaxy, SSG 1”, Khan, S.A., Shafer, R.A., Benford, D.J., Staguhn, J.G., Chanial, P., Le Floc'h, E., Babbedge, T.S., Farrah, D., Moseley, S.H., Dwek, E., Clements, D.L.,  Sumner, T.J., Ashby, M.L., Brand, K., Brodwin, M., Eisenhardt, P.M., Gonzalez, A.H, 2005, accepted by ApJL, astro-ph/0508405

 “Near-Infrared Photometry of the High-Redshift Quasar RDJ030117+002025: Evidence for a Massive

      Starburst at z=5.5”,Staguhn, J.G., Stern, D, Benford, D.J., Bertoldi, F., Djorgovski, S.G. Thompson,

      D., 2005, ApJ, 629, 633

“Resolving the Host Galaxy of the Nearby QSO I Zw 1 with Sub-Arcsecond Multi-Transition Molecular Line Observations” Staguhn, J.G., Schinnerer, E., Eckart, A., Scharwächter, J., 2004, APJ, 609, 85

“Approaching the fundamental noise limit in MoAu TES bolometers with transverse normal metal bars,” Staguhn, J.G., Moseley, S.H., Benford, D.J., Allen, C., Chervenak, J.A., Stevenson, T., Hsieh, W., 2004, Nuclear Instruments and Methods in Physics Research, Section A (NIMA), 520, 384    

“Astronomers Glimpse Feeding of a Galactic Dragon” Press Release at the 201st meeting of the American Astronomical Society in Seattle, WA, January 9, 2003  

“Astronomical Demonstration of Superconducting Bolometer Arrays”, Staguhn, J.G., Benford, D.J., Pajot, F., Ames, T.J., Chervenak, J.A., Grossman, E.N., Irwin, K.D., Moseley, S.H., Phillips, T.G., Reintsema, C.D., Rioux, C., Shafer, R.A., Voellmer, G., 2002, SPIE, 4855, 11

“Noise Margin Test Measurements of SQUID Multiplexers for TES Array Readout”, Staguhn, J.G., Benford, D.J., Chervenak,  Moseley, S. H., Shafer, R.A., Grossman, Irwin, K.D., Reintsema, C.D., 2002, NASA/CP-211408

“Sub-mm [CI] and CO absorption observations of cold, low density translucent cloud material towards the Galactic center broad line emission”, Staguhn, J. Stutzki, J., Chamberlin, R.A.,  Balm, S.P., Stark, A.A., Lane, A.P., Schieder, R., Winnewisser,  G., 1997, APJ, 491

“'The interaction of the Galactic center filament system G359.54+0.18 with its ambient medium”, Staguhn J., Stutzki J., Uchida K.I., Yusef-Zadeh F., 1998, A&A, 336, 290