Deep O/IR Survey Of Chandra Galactic Bulge Fields
... analysis suggest that a large subset of the sources are intrinsically hard, and reasonably described by a power law with photon index =0. The typical luminosities of these objects are in the range 10 3133 erg/s. The largest well studied class of objects fitting this description are high magnetic fie ...
... analysis suggest that a large subset of the sources are intrinsically hard, and reasonably described by a power law with photon index =0. The typical luminosities of these objects are in the range 10 3133 erg/s. The largest well studied class of objects fitting this description are high magnetic fie ...
What does X-ray light show us?
... Gamma-ray astronomy presents unique opportunities to explore these exotic objects. By exploring the universe at these high energies, scientists can search for new physics, testing theories and performing experiments which are not possible in earthbound laboratories. ...
... Gamma-ray astronomy presents unique opportunities to explore these exotic objects. By exploring the universe at these high energies, scientists can search for new physics, testing theories and performing experiments which are not possible in earthbound laboratories. ...
Barger - Chandra X-Ray Observatory (CXC)
... • People have tried to use combined MIR & radio selections, but to obtain a reliable upper limit on the possible population of X-ray undetected, obscured AGNs, a clean selection is needed • Here we use a pure microJansky radio survey selection in the HDF-N field (207 sources to 40 mJy in a 310 arcmi ...
... • People have tried to use combined MIR & radio selections, but to obtain a reliable upper limit on the possible population of X-ray undetected, obscured AGNs, a clean selection is needed • Here we use a pure microJansky radio survey selection in the HDF-N field (207 sources to 40 mJy in a 310 arcmi ...
Using the Electromagnetic Spectrum
... time. By giving us a snapshot of the temperature roughly every two years for the past decade. ...
... time. By giving us a snapshot of the temperature roughly every two years for the past decade. ...
W The X-Ray Universe X-ray images of the Universe are
... in industry, medicine, and laboratory research, must be produced by high-energy particles. It is not surprising, then, that an X-ray image of the sky can look markedly different from an optical image. In essence, X-ray images reveal hot spots in the ...
... in industry, medicine, and laboratory research, must be produced by high-energy particles. It is not surprising, then, that an X-ray image of the sky can look markedly different from an optical image. In essence, X-ray images reveal hot spots in the ...
Optical Satellite Communication ECE
... PRESENTATION ON OPTICAL SATELLITE COMMUNICATION Presented by: DHARAMVEER Roll No. 48120802 ...
... PRESENTATION ON OPTICAL SATELLITE COMMUNICATION Presented by: DHARAMVEER Roll No. 48120802 ...
X-ray Optics How do we form an X
... Off-axis it gives a coma blur size proportional to the distance off-axis. Wolter’s classic paper proved two reflections were needed, and considered configurations of conics to eliminate coma. Basic Principle: The optical path to the image must be identical for all rays incident on the telescope, in ...
... Off-axis it gives a coma blur size proportional to the distance off-axis. Wolter’s classic paper proved two reflections were needed, and considered configurations of conics to eliminate coma. Basic Principle: The optical path to the image must be identical for all rays incident on the telescope, in ...
Ch.4 lecture
... QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. ...
... QuickTime™ and a TIFF (Uncompressed) decompressor are needed to see this picture. ...
An Emerging Flux Trigger Model for CMEs
... Far Infrared telescope (35 & 150 m) X-ray spectrometer (10-300 keV) Gamma-ray spectrometer (0.2-600 MeV) ...
... Far Infrared telescope (35 & 150 m) X-ray spectrometer (10-300 keV) Gamma-ray spectrometer (0.2-600 MeV) ...
Astronomy 1020 Exam 1 Review Questions
... 20. Who is considered the father of experimental physics? Who was the first person to use a telescope to study the cosmos? Why did these observations get this person in trouble with church authorities? 21. List and describe all of Newton’s contributions to astronomy and physics. 22. If two stars hav ...
... 20. Who is considered the father of experimental physics? Who was the first person to use a telescope to study the cosmos? Why did these observations get this person in trouble with church authorities? 21. List and describe all of Newton’s contributions to astronomy and physics. 22. If two stars hav ...
Solar space instrumentations and techniques
... • Wavelength range: CCDs can have a wide wavelength range ranging from about 400nm (blue) to about 1050nm (Infra-red) with a peak sensitivity at around 700nm. However, using a process known as backthinning, it is possible to extend the wavelength range of a CCD down into shorter wavelengths such as ...
... • Wavelength range: CCDs can have a wide wavelength range ranging from about 400nm (blue) to about 1050nm (Infra-red) with a peak sensitivity at around 700nm. However, using a process known as backthinning, it is possible to extend the wavelength range of a CCD down into shorter wavelengths such as ...
Stellar Explosion has Many Layers
... R.A. :23h 23m 26.7s Dec. :+58º 49' 03.00" Distance : ~11000 light years It is known as a supernova remnant SNR 111.7-2.1 Apparent Dimension : 5 arc min ~ 10 light years ...
... R.A. :23h 23m 26.7s Dec. :+58º 49' 03.00" Distance : ~11000 light years It is known as a supernova remnant SNR 111.7-2.1 Apparent Dimension : 5 arc min ~ 10 light years ...
PowerPoint - Chandra X
... Twenty-six black hole candidates have been identified in M31, aka Andromeda, adding to nine previously found by the same team. The authors used over 150 separate Chandra observations spread over 13 years to obtain these results. These are stellar-mass black hole candidates, which are formed by t ...
... Twenty-six black hole candidates have been identified in M31, aka Andromeda, adding to nine previously found by the same team. The authors used over 150 separate Chandra observations spread over 13 years to obtain these results. These are stellar-mass black hole candidates, which are formed by t ...
7th March 2016 - St Josephs College, Borrisoleigh
... A meteor is a small rocky or metallic body travelling through space. Most are fragments from comets or asteroids, whereas others are collision impact debris ejected from bodies such as the Moon or Mars. A meteorite are the pieces of the meteor that survive the collision into our atmosphere and can l ...
... A meteor is a small rocky or metallic body travelling through space. Most are fragments from comets or asteroids, whereas others are collision impact debris ejected from bodies such as the Moon or Mars. A meteorite are the pieces of the meteor that survive the collision into our atmosphere and can l ...
The X-ray Astronomy Imaging Chain
... • X-Ray photons at “normal” or “nearnormal” incidence (photon path perpendicular to mirror, as already shown) would be transmitted (or possibly absorbed) rather than reflected. • At near-parallel incidence, X Rays “skip” off mirror surface (like stones skipping across water surface) ...
... • X-Ray photons at “normal” or “nearnormal” incidence (photon path perpendicular to mirror, as already shown) would be transmitted (or possibly absorbed) rather than reflected. • At near-parallel incidence, X Rays “skip” off mirror surface (like stones skipping across water surface) ...
7telescopes3s
... If you put a second lens (eyepiece) behind the first lens(objective), you can magnify the image ...
... If you put a second lens (eyepiece) behind the first lens(objective), you can magnify the image ...
The X-ray Astronomy Imaging Chain
... • X-Ray photons at “normal” or “nearnormal” incidence (photon path perpendicular to mirror, as already shown) would be transmitted (or possibly absorbed) rather than reflected. • At near-parallel incidence, X Rays “skip” off mirror surface (like stones skipping across water surface) ...
... • X-Ray photons at “normal” or “nearnormal” incidence (photon path perpendicular to mirror, as already shown) would be transmitted (or possibly absorbed) rather than reflected. • At near-parallel incidence, X Rays “skip” off mirror surface (like stones skipping across water surface) ...
