Presentation on theme: "Plethora of X-Ray Telescopes By: Nick Frock, Casey Ostendorf, Hannah Dasch, & Cindy Rehak."— Presentation transcript:
Plethora of X-Ray Telescopes By: Nick Frock, Casey Ostendorf, Hannah Dasch, & Cindy Rehak.
About the Plethora of X-ray Telescopes! Plethora meaning a lot. Many different types.
Chandra X-ray Observatory Chandra is designed to observe X-rays from high energy regions of the universe, such as hot gas in the remnants of exploded stars. Chandra detects and images X-ray sources that are billions of light years away. The imaging mirrors on Chandra are some of the largest, most precisely shaped and aligned, and smoothest mirrors ever constructed. The images Chandra makes are twenty-five times sharper than the best previous X-ray telescope. Chandra's improved sensitivity is making possible more detailed studies of black holes, supernovae, and dark matter.
Constellation-X The Constellation-X consists of four X-ray telescopes or satellites that will detect a broader range of X-ray wavelengths than any current technology, especially X-rays at higher frequencies Constellation-X's total light collecting area is 3 square meters, a hundred times greater than the finest current instruments With the increased light gathering ability will allow Constellation-X to observe extremely faint X-ray emitting sources within our Galaxy and far beyond. Its four satellites will orbit together in space about a few hundred miles from each other, and will detect and collect X-ray photons.
ASCA Is Japan's fourth cosmic X-ray astronomy mission, and the second for which the United States is providing part of the scientific payload. Has played an important role in the astrophysicists' never-ending quest for better X-ray spectra There are two types of detectors on board ASCA Gas Imaging Spectrometers (GIS) and 2 Solid-state Imaging Spectrometers (SIS)
RXTE It probes show the physics of cosmic X- ray sources by making sensitive measurements of their variability over time scales ranging from milliseconds to years. Designed for detecting transient events, X- ray bursts, and periodic fluctuations in X- ray emissions RXTE has three instruments. 1. The Proportional Counter Array (PCA) has five xenon gas proportional counter detectors. 2. The High Energy X-ray Timing Experiment (HEXTE) extends the X-ray sensitivity so that with the PCA, the two together form an excellent high resolution, sensitive X-ray detector. 3. The All Sky Monitor (ASM) rotates in such a way as to scan most of the sky every 1.5 hours, monitoring the long-term behavior of a number of the brightest X-ray sources, and giving observers an opportunity to spot any new phenomenon quickly.
ASTRO-E By the first stage of the M-V launch vehicle had a burn through that caused loss of attitude control. By the second and third stages finished, there was not enough velocity to reach orbit. It was a huge blow to the astronomical community. ASTRO-E was designed for "broad-band, high-sensitivity, high-resolution" spectroscopy. Four of the telescopes focused x-rays onto imaging CCD detectors. The fifth telescope focused x-rays onto the microcalormeter.
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