Title: Your Name
1CHANDRA X-RAY OBSERVATORY
Presentation to X
2Cas A
Electromagnetic Spectrum Great Observatories
3Cas A Movie
Introduction to Chandra
- The Chandra X-ray Observatory is the third of
NASAs Great Observatories - Launched July 23, 1999 by Space Shuttle and
boosted to high Earth orbit for initial 5 year
mission mission extended to 10 years - Orbits Earth every 64 hours, ranging as far as
140,000 km (87,000 mi) about 1/3 the way to the
moon - Chandra detects astronomical x-rays by focusing
them onto detectors by means of nested
grazing-incidence mirrors - Chandras resolving power is 10 times greater
than any previous x-ray telescope - equivalent to the ability to read a stop sign at
a distance of twelve miles - Science instruments
- 2 imaging cameras, Advanced CCD Imaging
Spectrometer (ACIS) and High Resolution Camera
(HRC) 2 insertable gratings for more detailed
x-ray energy analysis (spectroscopy) - Instruments were developed by Penn State
University, MIT, Smithsonian Astrophysical
Observatory, and Utrecht
4G1.9
Chandra X-ray Observatory
53SNRs
Launch and Deployment
6Cosmo.Param/Missing Baryons
Focusing X-rays
Grazing incidence mirrors (differ from optical
reflectors)
7Cluster Mass
Polishing and Fabrication
8Dark E Parameter
Orion Nebula
ROSAT
Chandra
9Dark E Parameter
Cassiopeia A
First Light
1 Ms
10Dark E Parameter
Galactic Center
11Whim1
NGC 6240 image
12NGC 6240 spectra
13CDFS
Perseus Cluster
Black holes eject a fraction of infalling
matter Ejected matter is detected as radio
jets Jets sweep aside x-ray emitting gas,
producing voids Repetitive outbursts limit
the mass of the central galaxy
14CDFS
Bullet Cluster
15Closing Slide
Opportunity for exploration and discovery with
Chandra remains as high as at launch.