The last gasps of VY CMa: Aperture synthesis and adaptive optics
... 1992). Assuming the polarization arises from Rayleigh scattering, these observations suggest an asymmetric near-IR brightness distribution extending toward PA 170◦ (or PA -10◦ ). This is in close agreement with the new high resolution results presented in Figure 2. The 10-m baselines afforded by the ...
... 1992). Assuming the polarization arises from Rayleigh scattering, these observations suggest an asymmetric near-IR brightness distribution extending toward PA 170◦ (or PA -10◦ ). This is in close agreement with the new high resolution results presented in Figure 2. The 10-m baselines afforded by the ...
transparencies - Rencontres de Moriond
... Milagro can provide sorely needed alerts for Cherenkov telescopes. Pointing instruments (e.g. air Cherenkov) generally have better sensitivity than survey instruments. Counter example: Glast. Narrow field-of-view problems: i) you necessarily have an a priori discovery goal - serendipity almost rule ...
... Milagro can provide sorely needed alerts for Cherenkov telescopes. Pointing instruments (e.g. air Cherenkov) generally have better sensitivity than survey instruments. Counter example: Glast. Narrow field-of-view problems: i) you necessarily have an a priori discovery goal - serendipity almost rule ...
SOFIA Engineering Meeting 12-May-2011
... – SOFIA is an observatory, not a mission – Given constraints of airplane, flight plans, etc., need to observe multiple p targets g each flight g to maximize relativelyy small observingg time (only 1000 hours per year in full opertations) Al working on sensitivity calculator for SOFIA with 1000K and ...
... – SOFIA is an observatory, not a mission – Given constraints of airplane, flight plans, etc., need to observe multiple p targets g each flight g to maximize relativelyy small observingg time (only 1000 hours per year in full opertations) Al working on sensitivity calculator for SOFIA with 1000K and ...
G030033-00 - DCC
... Sensor/actuators (OSEMs) for the all the suspended optics were assembled, cleaned and baked, tested, and prepared for installation. Three core optics (Beamsplitter, ITMx, and ITMy) were suspended and damped in February 2003. Four remain to be suspended by the summer 2003. Remaining optical sensi ...
... Sensor/actuators (OSEMs) for the all the suspended optics were assembled, cleaned and baked, tested, and prepared for installation. Three core optics (Beamsplitter, ITMx, and ITMy) were suspended and damped in February 2003. Four remain to be suspended by the summer 2003. Remaining optical sensi ...
LaPalma_telescopes_2008
... Gregorians may be easier to make and can be better baffled in some cases. 23rd June 2008 ...
... Gregorians may be easier to make and can be better baffled in some cases. 23rd June 2008 ...
4. Overview of combined internal and external NGAO interface
... A preliminary NGAO overall N-squared diagram is given in Figure 3. The reader should also look at the associated spread sheet, as it maybe easier to read the figures in it than this word document. For the purposes of Figure 3, the telescope, observatory facilities, and the instrument are considered ...
... A preliminary NGAO overall N-squared diagram is given in Figure 3. The reader should also look at the associated spread sheet, as it maybe easier to read the figures in it than this word document. For the purposes of Figure 3, the telescope, observatory facilities, and the instrument are considered ...
Article PDF - IOPscience
... than the two-point correlation length, then the likelihood can be calculated as ...
... than the two-point correlation length, then the likelihood can be calculated as ...
Telescopes
... 1. Can observe 24 hours a day 2. Clouds, rain, and snow don’t interfere 3. Observations at an entirely different frequency; get totally different information ...
... 1. Can observe 24 hours a day 2. Clouds, rain, and snow don’t interfere 3. Observations at an entirely different frequency; get totally different information ...
Origami Sunshield Concepts for Space Telescopes Lee Wilson and Sergio Pellegrino Rolf Danner
... instead of using two Type 2 corners as in the original scheme, the best solution identified utilizes two Type 1 corners and six Type 2 to obtain a hexagonal prism in the fully deployed configuration, as shown in Figure 13. The Type 2 corners provide the basic hexagonal prism shape and the Type 1 cor ...
... instead of using two Type 2 corners as in the original scheme, the best solution identified utilizes two Type 1 corners and six Type 2 to obtain a hexagonal prism in the fully deployed configuration, as shown in Figure 13. The Type 2 corners provide the basic hexagonal prism shape and the Type 1 cor ...
ISNS3371_040507_bw - The University of Texas at Dallas
... The eye consists of pupil that allows light into the eye - it controls the amount of light allowed in through the lens - acts like a simple glass lens which focuses the light on the retina - which consists of light sensitive cells that send signals to the brain via the optic nerve. An eye with perfe ...
... The eye consists of pupil that allows light into the eye - it controls the amount of light allowed in through the lens - acts like a simple glass lens which focuses the light on the retina - which consists of light sensitive cells that send signals to the brain via the optic nerve. An eye with perfe ...
T1000700-v2 Transmon Telescope Mirror Test Procedure
... Firmly attach the base of the autocollimator mounting post to the Newport table at the desired location that defines the position of the Primary mirror beam line. Move the autocollimator vertically on the post to approximately 5.13 in above the granite table. Place the corner cube at the output of t ...
... Firmly attach the base of the autocollimator mounting post to the Newport table at the desired location that defines the position of the Primary mirror beam line. Move the autocollimator vertically on the post to approximately 5.13 in above the granite table. Place the corner cube at the output of t ...
Optical Fabrication and Testing - National Optical Astronomy
... Cost-effective segment fabrication Characterization of wind loading Hierarchical control systems ...
... Cost-effective segment fabrication Characterization of wind loading Hierarchical control systems ...
SCA Laser Collimator for SCT
... even though star testing would indicate perfect collimation. In addition, the secondary mirror, convex shape, magnifies any error by about 5 times. The error of deviation for a typical well collimated SCT will return laser beam at around 0.125" to 0.250" off center. In order to compensate the mechan ...
... even though star testing would indicate perfect collimation. In addition, the secondary mirror, convex shape, magnifies any error by about 5 times. The error of deviation for a typical well collimated SCT will return laser beam at around 0.125" to 0.250" off center. In order to compensate the mechan ...
apt/astap/rept-09 - Asia
... FOV(field of view): The acceptance angle (of an FSO receiver) is the angle between the lines at which the power detected by the receiver falls to 1/e2 in this report. There is some other definitions whose power levels fall to 1/e or 1/2. The angle is always referred in full width. Optical antenna: O ...
... FOV(field of view): The acceptance angle (of an FSO receiver) is the angle between the lines at which the power detected by the receiver falls to 1/e2 in this report. There is some other definitions whose power levels fall to 1/e or 1/2. The angle is always referred in full width. Optical antenna: O ...
... the periphery of the observable electromagnetic spectrum, the VHE band must now be considered a legitimate astronomical discipline with established sources, both steady and variable, both galactic and extragalactic, a growing number of observatories, and the promise of significant advances in detect ...
Introduction to SkyMaker and the STEP 1 simulations
... What is skymaker? Skymaker makes realistic sky simulations with the main emphasis on reproducing observational effects: - telescope aperture - Optical defects (e.g. astigmatism, coma, tracking errors) - detector and sky characteristics (gain, sky brightness, saturation effects) - halos around bright ...
... What is skymaker? Skymaker makes realistic sky simulations with the main emphasis on reproducing observational effects: - telescope aperture - Optical defects (e.g. astigmatism, coma, tracking errors) - detector and sky characteristics (gain, sky brightness, saturation effects) - halos around bright ...
Table C5. Vertical Wind and Temperature
... resolution, sensitivity and range of many systems are still limited by signal levels. Experiments conducted during the past fifteen years using the 3-meter class telescopes at the Starfire Optical Range, NM and Haleakala, Maui (Maui/MALT Program) demonstrated clearly the substantial scientific advan ...
... resolution, sensitivity and range of many systems are still limited by signal levels. Experiments conducted during the past fifteen years using the 3-meter class telescopes at the Starfire Optical Range, NM and Haleakala, Maui (Maui/MALT Program) demonstrated clearly the substantial scientific advan ...
The effect of the Fluorescence Yield selection on
... (absolute value, wavelength spectrum and atmospheric dependency). The comparison of the energy spectra of Auger and HiRes/TA indicates a possible disagreement in the energy scale [1], which could be partly due to using different fluorescence yield data. In this work we evaluate the effect of the flu ...
... (absolute value, wavelength spectrum and atmospheric dependency). The comparison of the energy spectra of Auger and HiRes/TA indicates a possible disagreement in the energy scale [1], which could be partly due to using different fluorescence yield data. In this work we evaluate the effect of the flu ...
Astrometry: Revealing the Other Two Dimensions of
... Galileo was interested in double stars as a means for proving the heliocentric theory. He assumed systems were optical in nature. ...
... Galileo was interested in double stars as a means for proving the heliocentric theory. He assumed systems were optical in nature. ...