Observing Lecture (pdf file)
... You will want to have a list of all the calibration data you could possibly need: biases, darks, flat-fields, and arc spectra. The flat-fields in particular are crucial for almost all data. Take no chances that you will come up short with calibration exposures – it is usually too late after the run ...
... You will want to have a list of all the calibration data you could possibly need: biases, darks, flat-fields, and arc spectra. The flat-fields in particular are crucial for almost all data. Take no chances that you will come up short with calibration exposures – it is usually too late after the run ...
Document
... Object can be brought as close as the near point, nominally 0.25 m With magnifying glass: Object can be seen without accommodation when placed at the first focal point, at a distance of f ...
... Object can be brought as close as the near point, nominally 0.25 m With magnifying glass: Object can be seen without accommodation when placed at the first focal point, at a distance of f ...
Measuring Double Stars with a Micrometer and Digital Image
... The observation and measurement of visual double stars is an important area of study in astronomy and astrophysics. This type of observing is an area of research well suited for amateur participation. The amateur can still carry out important scientific work, and make a valuable contribution to astr ...
... The observation and measurement of visual double stars is an important area of study in astronomy and astrophysics. This type of observing is an area of research well suited for amateur participation. The amateur can still carry out important scientific work, and make a valuable contribution to astr ...
microscope, telescope
... Making an image of an image with 2 lenses: The first lens the light goes through makes the first image. ...
... Making an image of an image with 2 lenses: The first lens the light goes through makes the first image. ...
Orion StarMax 127 EQ Manual
... Retighten the counterweight lock knob. The telescope is now balanced on the R.A. axis. It is not necessary to balance the telescope on the Dec. axis, since the optical tube’s mounting plate is positioned so that the telescope will automatically be balanced on that axis. When you loosen the lock leve ...
... Retighten the counterweight lock knob. The telescope is now balanced on the R.A. axis. It is not necessary to balance the telescope on the Dec. axis, since the optical tube’s mounting plate is positioned so that the telescope will automatically be balanced on that axis. When you loosen the lock leve ...
My CV
... changed: I want to be a professional researcher in astrophysics that can help people understand our universe better, even by just a tiny bit. At the same time, I am also very passionate about scientific public outreach. Astronomy is always a perfect approach to enlighten people, and I will try my be ...
... changed: I want to be a professional researcher in astrophysics that can help people understand our universe better, even by just a tiny bit. At the same time, I am also very passionate about scientific public outreach. Astronomy is always a perfect approach to enlighten people, and I will try my be ...
271–274
... illustrate the scaling with Ν in the simplest possible way. It is easy to see that allowance for the finite size of the speckles and the fact that their intensities and shapes vary cannot alter this scaling. Similar approximations, for a speckle image, have recently been used in high-resolution opti ...
... illustrate the scaling with Ν in the simplest possible way. It is easy to see that allowance for the finite size of the speckles and the fact that their intensities and shapes vary cannot alter this scaling. Similar approximations, for a speckle image, have recently been used in high-resolution opti ...
Comets to Cosmology - Nrao - National Radio Astronomy Observatory
... One of the most significant discoveries in Astronomy and Astrophysics will be the direct detection of gravitational waves, first predicted by Einstein but never observed directly. An important and competitive method for detecting the expected stochastic background of nano-Hertz gravitational waves i ...
... One of the most significant discoveries in Astronomy and Astrophysics will be the direct detection of gravitational waves, first predicted by Einstein but never observed directly. An important and competitive method for detecting the expected stochastic background of nano-Hertz gravitational waves i ...
Christou_AO
... r0 & the telescope diameter D Coherence length of turbulence: r0 (Fried’s parameter) For telescope diameter D (2 - 3) x r0 Dominant effect is "image wander” ...
... r0 & the telescope diameter D Coherence length of turbulence: r0 (Fried’s parameter) For telescope diameter D (2 - 3) x r0 Dominant effect is "image wander” ...
Adaptive Optics Nicholas Devaney GTC project, Instituto de
... the angular size of the guide source image, d is the subaperture and is the measurement wavelength. The constant depends on the details of the phase measurement. For faint sources the read noise dominates over the photon noise. ...
... the angular size of the guide source image, d is the subaperture and is the measurement wavelength. The constant depends on the details of the phase measurement. For faint sources the read noise dominates over the photon noise. ...
Lab 5: Index of Refraction
... should not move. First, the collimator arm is stationary on the device. The telescope arm rotates about a pivot point centered at the small elevated table (spectrometer table). The angle through which the arm rotates can be read off two Verniers on either side of the spectrometer. Note that the Ver ...
... should not move. First, the collimator arm is stationary on the device. The telescope arm rotates about a pivot point centered at the small elevated table (spectrometer table). The angle through which the arm rotates can be read off two Verniers on either side of the spectrometer. Note that the Ver ...
GOTOSTAR Manual
... DC servomotor driver is our new patent product. The controlling accuracy well fit a beginner as well as expert. ★ 128x64 dot LCD displayer . More info displayed on one screen. The easy used bar menu operation offer you great facility. You can easy use it even if you are beginner without operation ma ...
... DC servomotor driver is our new patent product. The controlling accuracy well fit a beginner as well as expert. ★ 128x64 dot LCD displayer . More info displayed on one screen. The easy used bar menu operation offer you great facility. You can easy use it even if you are beginner without operation ma ...
the PDF - Ceravolo Optical Systems
... the point on the axis where all field rays intersect, the pivot point for all the light field rays. In optical design the aperture stop location is considered a “degree of freedom”. The stop can be located anywhere in an optical system and its position is typically used to control off-axis aberratio ...
... the point on the axis where all field rays intersect, the pivot point for all the light field rays. In optical design the aperture stop location is considered a “degree of freedom”. The stop can be located anywhere in an optical system and its position is typically used to control off-axis aberratio ...
with Simbol-X. - High Energy Astrophysics
... Simbol-X is a broad-band focusing hard-X-ray telescope that operates from 0.5 to 80 keV. The mission is sponsored jointly by CNES (French Space Agency) and ASI (Italian Space Agency). Its single optics module contains a set of nested nickel shells coated with special multilayers to boost high-energy ...
... Simbol-X is a broad-band focusing hard-X-ray telescope that operates from 0.5 to 80 keV. The mission is sponsored jointly by CNES (French Space Agency) and ASI (Italian Space Agency). Its single optics module contains a set of nested nickel shells coated with special multilayers to boost high-energy ...
Galileo and the Church
... Forces always come in pairs ! • The third law brings together the first and second laws, which deal with single bodies. • Unifies them in the case of the interaction between two (or more) bodies via forces. – If I set an apple on a table, it pushes down on the table with a force equal to its mass ti ...
... Forces always come in pairs ! • The third law brings together the first and second laws, which deal with single bodies. • Unifies them in the case of the interaction between two (or more) bodies via forces. – If I set an apple on a table, it pushes down on the table with a force equal to its mass ti ...
word format - Physics and Astronomy
... Overview: This course focuses on the planets and other objects that orbit our Sun. Topics include: the appearance of the night sky and what it tells us about the structure of our Solar System; exploration by telescopes and spacecraft; the Sun; a planet-by-planet tour, with emphasis on similarities a ...
... Overview: This course focuses on the planets and other objects that orbit our Sun. Topics include: the appearance of the night sky and what it tells us about the structure of our Solar System; exploration by telescopes and spacecraft; the Sun; a planet-by-planet tour, with emphasis on similarities a ...
S8.4 Can Photometrical Data Help To Maintain a Catalogue of
... composition of variable small-sized debris objects, brightness spectroscopy is a more valuable method. This can be possible to provide simultaneous measurements in the different spectral ranges. Time series of frames with BVR filters were obtained. A time resolution in a series was defined by the ex ...
... composition of variable small-sized debris objects, brightness spectroscopy is a more valuable method. This can be possible to provide simultaneous measurements in the different spectral ranges. Time series of frames with BVR filters were obtained. A time resolution in a series was defined by the ex ...
CTA-LST Large Size Telescope
... High precision inclinometer (a few arcsec) zenith angle HR CCD camera at the center of dish to monitor the optical axis and star field pointing direction in sky ...
... High precision inclinometer (a few arcsec) zenith angle HR CCD camera at the center of dish to monitor the optical axis and star field pointing direction in sky ...
document
... —durability is an issue: 3 years at sea level prior to launch —this is our baseline —new developments at LLNL: Thomas & Wolfe process • Protected aluminum —highly durable coating —slight reflectance notch at 0.8 microns wavelength —after four reflections, amounts to 30-40% loss at 0.8 um —prefer to ...
... —durability is an issue: 3 years at sea level prior to launch —this is our baseline —new developments at LLNL: Thomas & Wolfe process • Protected aluminum —highly durable coating —slight reflectance notch at 0.8 microns wavelength —after four reflections, amounts to 30-40% loss at 0.8 um —prefer to ...
Section 4 of the ATM List FAQ
... telescope, but for those already bitten by the bug, it will certainly fuel the imagination. Definitly not the first or even second book for a new ATM's collection, but surely among the first dozon. All about telescopes Sam Brown Edmund Scientific Co. ISBN: 0-933346-20-4 Content: M, T, Ts, Th, A, Dc, ...
... telescope, but for those already bitten by the bug, it will certainly fuel the imagination. Definitly not the first or even second book for a new ATM's collection, but surely among the first dozon. All about telescopes Sam Brown Edmund Scientific Co. ISBN: 0-933346-20-4 Content: M, T, Ts, Th, A, Dc, ...
chd_ohp_a_ldr200906
... from daily PTU profiles, provided by the French Met Office (Météo-France) radiosondes. Then, total background (sky and detection) is estimated from upper levels, where signal-to-noise ratio is very low (typically above 80 km). This second step is the most sensitive part of data processing and the la ...
... from daily PTU profiles, provided by the French Met Office (Météo-France) radiosondes. Then, total background (sky and detection) is estimated from upper levels, where signal-to-noise ratio is very low (typically above 80 km). This second step is the most sensitive part of data processing and the la ...