PPT-A pair of O stars with hard X-rays in M17

Marc Gagné amp David Cohen Chandra optical 2MASS optical Three models for massive star xray emission 1 Instability driven shocks 2 Magnetically channeled wind shocks 3 Windwind interaction in close binaries. 1 The Formal Description 2 32 The Informal Description 3 321 Respect each others time 3 322 Be a team player 3 323 Section . 31-7. Physics 1161: . . Lecture 24. Photons with energy in approx range . 100eV. . to. . 100,000eV. .. This large energy means they go right through you (except for your bones).. What are the wavelengths?. - . X-ray vision. http://www.bjwinslow.com/albums/medicalcharts/broken_arm_radius_and_ulna_x_ray_10.jpg. http://www.museumboerhaave.nl/AAcollection/AAJPEGS/M22/9955.jpg. http://www.uab.edu/surgonc/cases/GI/case2/ctscanof.htm. Andrea . Chiavassa. Universita. ` . degli. . Studi. . di. Torino. Carpathian Summer School of Physics 2012. June 24 – July 7, . Sinaia. , Romania. Most of the material comes from the book:. “. . 6. – Observing at Other Wavelengths. ASTR 101. Prof. Dave Hanes. Why Other Wavelengths? . To Study . New Sources. . In Historical Order. 1. Radio radiation 3. X-Rays. 2. Infrared sources 4. Gamma rays. , . G. Yu. Kryuchkyan*, . A. Ipp, J. Evers. . and C. H. Keitel. Max-Planck-Institut für Kernphysik, Heidelberg, Germany. *Yerevan State University, Yerevan , Armenia. "PW Lasers at Hard X-ray Sources" Dresden-Rossendorf, 7 Sep 2011. Wavelength the size of an atom. Frequencies above UV. Uses of X-rays. Used in airports to examine luggage for the presence of dangerous weapons or bombs or for illegal transit of goods. . used to detect structural deficits or cracks in metal objects such as bridges and aircraft that are likely to be missed by the human eye. B-V color index way of quantifying this - determining spectral class - using two different filters. one a blue (B) filter that only lets a narrow range of colors or wavelengths through centered on the blue colors, . angles. Complementary angles: Two angles with the sum of 90°. Supplementary angles: Two angles with the sum of 180°. Adjacent angles: Two angles that share a common vertex and side with no common interior points.. constellations. a. Ancient cultures used . mythology. or everyday items to name constellations. 2. Modern astronomy studies . 88 . constellations. 3. Some constellations are not . visible. all year because Earth revolves around the Sun. Accidental discovery. First radiograph of Mrs. Roentgen's hand. Roentgen received the first Nobel Prize presented for physics in 1901.. Public viewed discovery as a novelty. Radiographic imaging and therapy important to the medical sciences. How X-rays work . Radiation. Indications . DR. ABCDEFGHI. Common conditions. References. How do X-rays work?. X-rays . are.  electromagnetic . waves. Bone, fat, muscles and . tumours. . absorb X-rays at different levels . Koji Mukai. NASA/GSFC/CRESST and UMBC. How RXTE matches up with WDs. Luminosity: up to ~a few x 10. 34. erg s. -1. for symbiotic stars, ~a few x 10. 33. erg s. -1. for typical intermediate . polars. A . star is a massive ball of plasma that emits . light and electromagnetic energy . throughout the universe. . While . there is only one star in our solar system, there are billions upon billions of stars throughout our galaxy and exponentially more in the billions of galaxies in the universe.