THE GOLDEN AGE OF RADIO ASTRONOMY: INTERSELLAR MOLECULES AND ASTROCHEMISTRY IAU 2015 Jack Welch, University of California Berkeley

The 10 Foot Dish on the Roof of Cory Hall at UC Berkeley S. Silver, D.D. Thornton, W.J. Welch

First High Frequency Measurement of Jovian Brightness From G. Kuiper’s model, we found: D.D. Thornton, W.J. Welch Icarus 2, 228 (1963)

1967 The Long Awaited 6m Whitaker Antenna

NH 3 in Jupiter - Why not NH 3 in the ISM? “Take the wisdom of your colleagues with a grain of salt.”

Detection of Polyatomic Molecules in the Interstellar Medium NH 3 SGR B2 SGR A H2OH2O SGR B2 Orion W49 Nature 221, 626 (1969) Cheung, Rank, Townes, Thornton, Welch PhysRevLett 21, 1701 (1968)

Molecules are Abundant in the ISM 16 OH 18 OH 14 NH 3 H 2 12 C 16 O H 2 13 C 16 O Xogen H 12 C 14 N H 13 C 14 N Rank, Townes, Welch, Science 174, 1083 (1971) 12 C 16 O 13 C 16 O 12 CH 3 16 OH HI

Location of Molecular Clouds in the Galaxy Rank, Townes, Welch Science 174, 1083 (1971)

Interferometry Is Essential to Understand the Small Scale Structure of Water Vapor Sources R. Hills, M.A. Janssen, D.D. Thornton, W.J. Welch, ApJ,175, L59 (1972) H 2 O OH

Interferometry and Spectral Data of Venus M. A. Janssen, R.E. Hills, D.D. Thornton, W.J. Welch, Science,179,994 (1973)

Astrochemistry Today Tom Millar – TIARA Astrobiology Workshop, June 2015

184 Molecules – June 2015 Tom Millar – TIARA Astrobiology Workshop, June 2015