Polar Winter Differential image motion monitor (PWD)
... • We should operate the day-time DIMM observation next campaign, because this follow up checks the seeing variation of the year exist or not. • We should put the new ultrasonic anemometer at same level of the DIMM. New ultrasonic anemometer brings us CT2 which we couldn’t get previous campaign. • If ...
... • We should operate the day-time DIMM observation next campaign, because this follow up checks the seeing variation of the year exist or not. • We should put the new ultrasonic anemometer at same level of the DIMM. New ultrasonic anemometer brings us CT2 which we couldn’t get previous campaign. • If ...
dew/frost prevention
... Dew is caused by moisture in air and temperature differentials. Warm air can hold more moisture; cold air less. The measurement of the water-to-air ratio is relative humidity (RH). When moist warm air cools to the dew point temperature the air will become saturated. At the dew point the relative hum ...
... Dew is caused by moisture in air and temperature differentials. Warm air can hold more moisture; cold air less. The measurement of the water-to-air ratio is relative humidity (RH). When moist warm air cools to the dew point temperature the air will become saturated. At the dew point the relative hum ...
Joint Scientific Opportunities with the Giant Magellan Telescope and
... sensitivity than SCUBA and higher angular of various species. The most sensitive sub-mm resolution that HST, allowing it to detected lower bolometer arrays on single-dish telescopes luminosity objects at high redshift. The GMT will today (e.g. SCUBA; Hughes et al. 2001) can have the sensitivity need ...
... sensitivity than SCUBA and higher angular of various species. The most sensitive sub-mm resolution that HST, allowing it to detected lower bolometer arrays on single-dish telescopes luminosity objects at high redshift. The GMT will today (e.g. SCUBA; Hughes et al. 2001) can have the sensitivity need ...
CHIRON – A Fiber Fed Spectrometer for Precise Radial Velocities
... peak efficiency of about 55%. This grating was replaced during the CHIRON upgrade with a more efficient grating with protected silver coating.4 The new grating was procured from Richardson Labs/Newport: 31.6 lines/mm, nominal blaze angle 63.9◦ , Zerodur substrate of 135×265×45mm. The ruled area is 1 ...
... peak efficiency of about 55%. This grating was replaced during the CHIRON upgrade with a more efficient grating with protected silver coating.4 The new grating was procured from Richardson Labs/Newport: 31.6 lines/mm, nominal blaze angle 63.9◦ , Zerodur substrate of 135×265×45mm. The ruled area is 1 ...
Galileo galilei
... experimenting with balls, lever, and other objects while he tried to describe how they moved with mathematic equation. That makes him an idea to create an invention called Hydrostatics Balance. ...
... experimenting with balls, lever, and other objects while he tried to describe how they moved with mathematic equation. That makes him an idea to create an invention called Hydrostatics Balance. ...
Web SERVICE
... The next-generation astronomy digital archives will cover most of the sky at fine resolution in many wavelengths, from X-rays, through ultraviolet, optical, and infrared. The archives will be stored at diverse geographical locations. One of the first of these projects, the Sloan Digital Sky Survey ( ...
... The next-generation astronomy digital archives will cover most of the sky at fine resolution in many wavelengths, from X-rays, through ultraviolet, optical, and infrared. The archives will be stored at diverse geographical locations. One of the first of these projects, the Sloan Digital Sky Survey ( ...
- Universiti Utara Malaysia
... is the transmitter telescope gain, is the receiver telescope gain, and are the transmitter and receiver pointing loss factor respectively. The free space path loss is described by the terms in the parentheses in the above equation. Longer links typically require more correct and advanced recovery, p ...
... is the transmitter telescope gain, is the receiver telescope gain, and are the transmitter and receiver pointing loss factor respectively. The free space path loss is described by the terms in the parentheses in the above equation. Longer links typically require more correct and advanced recovery, p ...
Coast Steel Fabricators
... • isothermal: applicable to higher wind speeds and larger scales • thermal variations: more important for enclosure interior ...
... • isothermal: applicable to higher wind speeds and larger scales • thermal variations: more important for enclosure interior ...
X(4) - CMS DocDB Server
... • The BTeV telescope doesn’t use any trigger signal, because the ROCs are data driven, so hits are time-stamped on the chip and sent to the read-out system. • All the BTeV ROCs are synchronized with a 2 MHz clock (500ns) in order to get the same timestamp from the hits generated when a particle pass ...
... • The BTeV telescope doesn’t use any trigger signal, because the ROCs are data driven, so hits are time-stamped on the chip and sent to the read-out system. • All the BTeV ROCs are synchronized with a 2 MHz clock (500ns) in order to get the same timestamp from the hits generated when a particle pass ...
Document
... Much can be learned from observing the same astronomical object at many wavelengths. Here, the Milky Way. © 2013 Pearson Education, Inc. ...
... Much can be learned from observing the same astronomical object at many wavelengths. Here, the Milky Way. © 2013 Pearson Education, Inc. ...
MEMORIA DE LA ACTIVIDAD TÉCNICA e INVESTIGADORA
... photoabsorption spectra. The fullerenes (a new form of pure carbon) were discovered in 1985 by Kroto and Smalley when they were trying to reproduce the chemistry in the atmospheres of red giant stars (the discovery of this new molecules had far reaching implications recognized with the award of Nob ...
... photoabsorption spectra. The fullerenes (a new form of pure carbon) were discovered in 1985 by Kroto and Smalley when they were trying to reproduce the chemistry in the atmospheres of red giant stars (the discovery of this new molecules had far reaching implications recognized with the award of Nob ...
SPIE - Twinkle Space Mission
... image plane and the former the “spatial” plane where the background fields are separated from the central star field and where cylindrical lenses in front of the detector image the pupil on to the detector in this plane. The two layouts have been checked for non-invasive presence of optical elements ...
... image plane and the former the “spatial” plane where the background fields are separated from the central star field and where cylindrical lenses in front of the detector image the pupil on to the detector in this plane. The two layouts have been checked for non-invasive presence of optical elements ...
A DEDICATED M DWARF PLANET SEARCH USING THE HOBBY
... We present the first results from our planet-search program using the 9.2 m Hobby-Eberly Telescope (HET) at McDonald Observatory to detect planets around M-type dwarf stars by means of high-precision radial velocity (RV) measurements. Although more than 100 extrasolar planets have been found around s ...
... We present the first results from our planet-search program using the 9.2 m Hobby-Eberly Telescope (HET) at McDonald Observatory to detect planets around M-type dwarf stars by means of high-precision radial velocity (RV) measurements. Although more than 100 extrasolar planets have been found around s ...
Chapter 9 Our Solar System Lesson Preview LESSON 1 They`re on
... takes to complete one trip around the Sun is called a year. Earth's year is about 365 days long. Mercury, the planet closest to the Sun, makes a complete orbit ...
... takes to complete one trip around the Sun is called a year. Earth's year is about 365 days long. Mercury, the planet closest to the Sun, makes a complete orbit ...
physics experiments
... 1. The Leaving Certificate Physics syllabus states on page three: ‘Standard laboratory safety precautions must be observed, and due care must be taken when carrying out all experiments. The hazards associated with electricity, EHT, lasers etc. should be identified where possible, and appropriate pre ...
... 1. The Leaving Certificate Physics syllabus states on page three: ‘Standard laboratory safety precautions must be observed, and due care must be taken when carrying out all experiments. The hazards associated with electricity, EHT, lasers etc. should be identified where possible, and appropriate pre ...
LIFEPAC® 6th Grade Science Unit 9 Worktext - HomeSchool
... can help Christians give thanks for so wonderful a Creator and a Savior. Learning more about the stars and the universe can also help us understand the majesty, power, and wisdom of God, our loving Creator. In fact, some Christians may be inspired to make the study of the stars an enjoyable hobby or ...
... can help Christians give thanks for so wonderful a Creator and a Savior. Learning more about the stars and the universe can also help us understand the majesty, power, and wisdom of God, our loving Creator. In fact, some Christians may be inspired to make the study of the stars an enjoyable hobby or ...
the eye of the beholder: designing the owl
... redundancy and readily available, industrialized processes –e.g. all-identical spherical segments for the primary mirror, structure assembled from nearly all-identical modules, etc. Paradoxically, the sheer number of components to be made and assembled allows attractive cost-schedule trade-offs. A c ...
... redundancy and readily available, industrialized processes –e.g. all-identical spherical segments for the primary mirror, structure assembled from nearly all-identical modules, etc. Paradoxically, the sheer number of components to be made and assembled allows attractive cost-schedule trade-offs. A c ...
leiden_duel_des_2008..
... •DES+Stage II combined = Factor 4.6 improvement over Stage II combined •Consistent with DETF range for Stage III DES-like project •Large uncertainties in systematics remain, but FoM is robust to uncertainties in any one probe, and we haven’t made use of all the information ...
... •DES+Stage II combined = Factor 4.6 improvement over Stage II combined •Consistent with DETF range for Stage III DES-like project •Large uncertainties in systematics remain, but FoM is robust to uncertainties in any one probe, and we haven’t made use of all the information ...
An Introduction to Adaptive Optics
... The area of sky coverage can be expanded using artificial guide stars. Created using a LASER aligned with the telescope optics. Rayleigh beacons take advantage of Rayleigh scattering in the atmosphere. – Useful for telescopes with apertures < 2m. – Creates a 1 to 2 arc second guide star 5 to 1 ...
... The area of sky coverage can be expanded using artificial guide stars. Created using a LASER aligned with the telescope optics. Rayleigh beacons take advantage of Rayleigh scattering in the atmosphere. – Useful for telescopes with apertures < 2m. – Creates a 1 to 2 arc second guide star 5 to 1 ...
Concept and performance of multiple laser guide stars for 8-m
... With MCAO systems, several GS are sensed by several Wave-Front Sensors (WFS). If the GS are laser beacons then a NGS is needed to sense low order modes. Tip-tilt, defocus and astigmatism modes must be determined with a NGS. It induces constraints on the NGS magnitude as the GS must be bright enough ...
... With MCAO systems, several GS are sensed by several Wave-Front Sensors (WFS). If the GS are laser beacons then a NGS is needed to sense low order modes. Tip-tilt, defocus and astigmatism modes must be determined with a NGS. It induces constraints on the NGS magnitude as the GS must be bright enough ...
Galileo Galilei The Sidereal Messenger http://archive.org/stream
... viewed the Moon as near as if it was scarcely two semi-diameters of the Earth distant. After the Moon, I frequently observed other heavenly bodies, both fixed stars and planets, with incredible delight; and, when I saw their very great number, I began to consider about a method by which I might be a ...
... viewed the Moon as near as if it was scarcely two semi-diameters of the Earth distant. After the Moon, I frequently observed other heavenly bodies, both fixed stars and planets, with incredible delight; and, when I saw their very great number, I began to consider about a method by which I might be a ...