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Astronomical Observational Techniques and Instrumentation

Astronomical Observational Techniques and Instrumentation

Astronomical Observational Techniques and Instrumentation. RIT Course Number 1060-771 Professor Don Figer Energy sources of astronomical objects. Aims and outline for this lecture. describe energy sources of astronomical objects stars: nuclear reactions protostars: gravitational energy

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1.18k views • 55 slides
The Galactic Center is a Treasure Box of High Energy Physics

The Galactic Center is a Treasure Box of High Energy Physics

The Galactic Center is a Treasure Box of High Energy Physics The Nearest AGN and Star Burst Galaxy. I will report a current picture of the Galactic Center, then move on the Astro-H perspect ive. Global structure of GCXE and GRXE Origin ? --> Star Burst Activity or AGN?

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237 views • 15 slides
Calibration of the ACA System

Calibration of the ACA System

Calibration of the ACA System. Tetsuo Hasegawa (NAOJ). Science Requirement 1. Precise imaging of extended objects The ALMA with the ACA System should routinely achieve in millimeter wave Image fideelity >20 (median) (image portion brighter than 1% of peak)

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259 views • 14 slides
HI and Molecules

HI and Molecules

HI and Molecules. 0. Observing Neutral Hydrogen: The 21-cm (radio) line. Forbidden hyperfine-structure transition: A = 2.95x10 -15 s -1. Equal magnetic fields repel => Higher energy. Opposite magnetic fields attract => Lower energy. Magnetic field due to proton spin. 21 cm line.

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208 views • 7 slides

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