HOBBS OBSERVATORY ASTRONOMICAL SERIES

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Presentation transcript:

HOBBS OBSERVATORY ASTRONOMICAL SERIES What is Radio Astronomy?

G. Marconi

Carl Jansky

Jansky at his Antenna

Young Grote Reber

Reber's Antenna at Green Bank, WV.

Ewen/Purcells

“DOC” Ewen in his Lab

Fluorescent Noise Generator

“DOC” Ewen with his Feed Horn

Dr. John Kraus

OSU's “Big Ear”

Parabola – 360' X 70'

Movable Flat Reflector 340' X 100'

Slant Height -36 deg. / +64 deg.

Ferris Wheel

Twin Feed Horns Freq. = 1420.4045 Mhz

Feed Horn Tracking System 1 hour object tracking

Green Bank 300' Steerable Parabolic Antenna

Mechanical Failure

Robert C. Byrd Telsecope 100 X 110 Meters Steerable

Moon Imaged to depth of 10' By Byrd Telescope

Green Bank Interferometer

Aricebo Radio Telescope 1000'

Goldstone DSN

ERAC Complex, Mannheim, GE

Pisgau Research Institute

Square Kilometer Array Interferometer

Milky Way Radio Continuum 408 Mhz

Cas A

Cas A X-ray

Cas A 90 Ghz

Cas A enhanced by Cray X-MP computer

Amateur Inteferometer using Satellite Dishes

E R A C

CVAS 5.1 meter Dish

775 Mhz Downconverter

WOJB 5.1 meter Dish

Future CVAS 30.5m (100') Interferometer

Muon Generation in the Atmosphere

Basic Muon Detector

Proposed Very Long Baseline (VLBA) Interferometer