China_contribution
... R.Q. Lau (Institute of Applied Math.) , G. Jin and Q. Kang (Institute of Mechanics), Y.X. Nie and Z.Y. Wei (Institute of Physics), M. Li and Y.Z. Zhang (Institute of Theoretical Physics), S.N, Zhang (Institute of High Energy Physics) Z.L. Zhou and Y.T. Zhu(National Astronomy Observatory), M.S. Zhan ...
... R.Q. Lau (Institute of Applied Math.) , G. Jin and Q. Kang (Institute of Mechanics), Y.X. Nie and Z.Y. Wei (Institute of Physics), M. Li and Y.Z. Zhang (Institute of Theoretical Physics), S.N, Zhang (Institute of High Energy Physics) Z.L. Zhou and Y.T. Zhu(National Astronomy Observatory), M.S. Zhan ...
ppt - Rencontres de Moriond
... Pampa Amarilla; Province of Mendoza 3000 km2, 875 g/cm2, 1400 m Surface Array: Lat.: 35.5° south LOMA AMARILLA ...
... Pampa Amarilla; Province of Mendoza 3000 km2, 875 g/cm2, 1400 m Surface Array: Lat.: 35.5° south LOMA AMARILLA ...
The James Webb Space Telescope
... scheduled to launch in 2018, is NASA’s next orbiting observatory and the successor to the Hubble Space Telescope. Orbiting far beyond Earth’s moon, Webb will detect infrared radiation and be capable of seeing in that wavelength as well as Hubble sees in visible light. Scientists and engineers have b ...
... scheduled to launch in 2018, is NASA’s next orbiting observatory and the successor to the Hubble Space Telescope. Orbiting far beyond Earth’s moon, Webb will detect infrared radiation and be capable of seeing in that wavelength as well as Hubble sees in visible light. Scientists and engineers have b ...
2016June StarStuff - Ford Amateur Astronomy Club
... Herschel, is perhaps the classic example of this phenomenon. At a distance of 7,100 light years away in the constellation of Cassiopeia, a molecular gas cloud is actively forming stars, including the massive O-class star BD+60 2522, which itself is a magnitude +8.7 star despite its great distance an ...
... Herschel, is perhaps the classic example of this phenomenon. At a distance of 7,100 light years away in the constellation of Cassiopeia, a molecular gas cloud is actively forming stars, including the massive O-class star BD+60 2522, which itself is a magnitude +8.7 star despite its great distance an ...
PHYSICS SCHOLARSHIP 2014 CALCULATORS
... The following equation may be useful for this question: Wave speed = (number of waves per second) x (wavelength) The speed of light waves is 3 x 108 m/s. The TV signal detected by the Arecebo Radio Telescope was found to consist of waves with a frequency of 50 million waves per second. What is wavel ...
... The following equation may be useful for this question: Wave speed = (number of waves per second) x (wavelength) The speed of light waves is 3 x 108 m/s. The TV signal detected by the Arecebo Radio Telescope was found to consist of waves with a frequency of 50 million waves per second. What is wavel ...
Document
... The plots below show the 2D centroid cross covariance with an increasing temporal delay between the two stars. The peak corresponds to a turbulent layer just above the ground. The peak is seen to be moving, the direction and speed in which the correlation peak moves shows the velocity of the turbule ...
... The plots below show the 2D centroid cross covariance with an increasing temporal delay between the two stars. The peak corresponds to a turbulent layer just above the ground. The peak is seen to be moving, the direction and speed in which the correlation peak moves shows the velocity of the turbule ...
104-cm Sampurnanand Telescope
... in 1992 and is being used currently at ARIES. The detector covers an area of around 6 x 6 arcmin sky, works in non-MPP mode with dark current equal 0.56 e− /sec/pix at -110 deg C, 4X gain 2.96 e− /ADU. Well capacity is 390 ke. It can work at three gain (1X, 2X, 4X) settings viz gain = 11.98 e− /ADU, ...
... in 1992 and is being used currently at ARIES. The detector covers an area of around 6 x 6 arcmin sky, works in non-MPP mode with dark current equal 0.56 e− /sec/pix at -110 deg C, 4X gain 2.96 e− /ADU. Well capacity is 390 ke. It can work at three gain (1X, 2X, 4X) settings viz gain = 11.98 e− /ADU, ...
Advanced Technologies for Future Space Telescopes and Instruments
... • Limiting sensitivity: 4 10-18 erg cm-2 s-1 (250 times deeper than XMM-Newton) • Spectral resolution goal: 1 eV at 1 keV • Broadband spectral coverage: 0.05 to 30 keV • Field of view: 5 arc minutes ...
... • Limiting sensitivity: 4 10-18 erg cm-2 s-1 (250 times deeper than XMM-Newton) • Spectral resolution goal: 1 eV at 1 keV • Broadband spectral coverage: 0.05 to 30 keV • Field of view: 5 arc minutes ...
Telescopes—
... case for the 200” telescope. Prime focus is often used for wide angle imaging, but suffers from aberrations. Prime focus is also used in many radio telescopes because they only have one pixel so most aberrations are ignorable. • Cassegrain—Formally this is for telescopes with a flat secondary and th ...
... case for the 200” telescope. Prime focus is often used for wide angle imaging, but suffers from aberrations. Prime focus is also used in many radio telescopes because they only have one pixel so most aberrations are ignorable. • Cassegrain—Formally this is for telescopes with a flat secondary and th ...
Telescopes - Wayne State University Physics and Astronomy
... Interference is a technical term for the way waves that arrive in a detector at slightly different times interact with each other ...
... Interference is a technical term for the way waves that arrive in a detector at slightly different times interact with each other ...
SPIE Cox Lallo Focus Model - Space Telescope Science Institute
... aberration correction to these instruments. From then on adjustments were made less frequently reducing from about twice a year in 1993 to the present time where adjustments are made less than once every two years. This, despite the fact that we now manage to stay within one or two microns of best f ...
... aberration correction to these instruments. From then on adjustments were made less frequently reducing from about twice a year in 1993 to the present time where adjustments are made less than once every two years. This, despite the fact that we now manage to stay within one or two microns of best f ...
Esrange Space Center
... the ELINK system for payloads and missions like SUNRISE and we look forward to many more launches of this dignity, with scientific teams from all over the world”. “During the flight the telescope will observe the sun without interruption thanks to the midnight sun period”, says Dr. Peter Barthol, pr ...
... the ELINK system for payloads and missions like SUNRISE and we look forward to many more launches of this dignity, with scientific teams from all over the world”. “During the flight the telescope will observe the sun without interruption thanks to the midnight sun period”, says Dr. Peter Barthol, pr ...
Pistol Star - TeacherLINK
... be the mos t lum inous star known a celestial ti tan tha t releases u p to 10 million times the power of the Sun and is big enough to fill th e d iameter o f Earth's orbit. The Pistol Star is invisible to the naked eye beca use it is hidd en 25,000 light-years away behind grea t dust clouds in the c ...
... be the mos t lum inous star known a celestial ti tan tha t releases u p to 10 million times the power of the Sun and is big enough to fill th e d iameter o f Earth's orbit. The Pistol Star is invisible to the naked eye beca use it is hidd en 25,000 light-years away behind grea t dust clouds in the c ...
1. The diagram shows the concave mirror of a Cassegrain reflecting
... of this telescope will be far more satisfactory when receiving signals of frequency 7.5 × 108 Hz than when receiving signals of frequency 1.5 × 10 10 Hz. ...
... of this telescope will be far more satisfactory when receiving signals of frequency 7.5 × 108 Hz than when receiving signals of frequency 1.5 × 10 10 Hz. ...
Astronomy - Mr. Bryant
... heavens affect the lives of individuals on Earth. • What an appropriate title for the book on the right! ...
... heavens affect the lives of individuals on Earth. • What an appropriate title for the book on the right! ...
document
... Requires MUCH climate-controlled storage space Expensive to store and retrieve available to one user at a time now being “digitized” (scanned), as in the archive you use with DS9 ...
... Requires MUCH climate-controlled storage space Expensive to store and retrieve available to one user at a time now being “digitized” (scanned), as in the archive you use with DS9 ...
The Dragonfly Telephoto Array
... reflecting off the CCD, traveling back up the telescope, reflectfaint enough to be far below the noise level on realistic foreing off the corrector, and ultimately returning to the CCD. This ground stars near the science fields, and so we do not attempt ghost was masked out of all calibration and sc ...
... reflecting off the CCD, traveling back up the telescope, reflectfaint enough to be far below the noise level on realistic foreing off the corrector, and ultimately returning to the CCD. This ground stars near the science fields, and so we do not attempt ghost was masked out of all calibration and sc ...
Chapter06_New
... To make a drawing, consult Figure 6.19. Replace the lens with a mirror and draw rays as if reflected from mirror rather than refracted. CCDs are more sensitive and automatically produce quantitative rather than qualitative data. Astronomers seek transparency, clear skies, good seeing, and dark skies ...
... To make a drawing, consult Figure 6.19. Replace the lens with a mirror and draw rays as if reflected from mirror rather than refracted. CCDs are more sensitive and automatically produce quantitative rather than qualitative data. Astronomers seek transparency, clear skies, good seeing, and dark skies ...
Science Requirements
... • The ATST shall perform accurate and precise polarimetry of solar fine structure. The Polarization sensitivity, defined as the amount of fractional polarization that can be detected above a (spatially and/or spectrally) constant background, shall be 1•10-5 Ic (limited by photon noise). The Polariza ...
... • The ATST shall perform accurate and precise polarimetry of solar fine structure. The Polarization sensitivity, defined as the amount of fractional polarization that can be detected above a (spatially and/or spectrally) constant background, shall be 1•10-5 Ic (limited by photon noise). The Polariza ...
The European Extremely Large Telescope (E-ELT)
... and the chief ray and the axis of the very limited field curvature (radius of 36 m and convex as seen from the instrument) are parallel. To all intents and purposes it does not matter where in the focal plane you mount your instrument. The focal plane properties are uniformly excellent in the five-m ...
... and the chief ray and the axis of the very limited field curvature (radius of 36 m and convex as seen from the instrument) are parallel. To all intents and purposes it does not matter where in the focal plane you mount your instrument. The focal plane properties are uniformly excellent in the five-m ...
this owner`s manual for Apertura dobs
... requiring at least a rudimentary familiarity with the location of a variety of celestial objects. However, learning to star-hop makes object location much quicker and gets you to where you want to be without much fuss. Experience will make this easier and dramatically increase your personal knowledg ...
... requiring at least a rudimentary familiarity with the location of a variety of celestial objects. However, learning to star-hop makes object location much quicker and gets you to where you want to be without much fuss. Experience will make this easier and dramatically increase your personal knowledg ...
Powerpoint for today - Physics and Astronomy
... c) radio waves are not blocked by interstellar dust. d) they can be linked to form interferometers. e) All of the above are true. ...
... c) radio waves are not blocked by interstellar dust. d) they can be linked to form interferometers. e) All of the above are true. ...
Cassegrain Focus Design
... Advantage of Telecentricity: ** “The magnified sky image on the microlens surface must be telecentric in order to avoid pupil image shift on the microlens, which may result in light loss that varies across the field.” ** “Magnification M is independent of the distance between the object (here it is ...
... Advantage of Telecentricity: ** “The magnified sky image on the microlens surface must be telecentric in order to avoid pupil image shift on the microlens, which may result in light loss that varies across the field.” ** “Magnification M is independent of the distance between the object (here it is ...