NASA Programs and Budget Updates - Paul Hertz
... • Cycle 3 includes a six-week southern hemisphere deployment with two instruments • Second generation instruments under development. - HAWC+: upgraded far infrared imager & polarimeter. (2016 commissioning) - upGREAT: multi-pixel heterodyne spectrometer (2015 commissioning) • Considering a solicitat ...
... • Cycle 3 includes a six-week southern hemisphere deployment with two instruments • Second generation instruments under development. - HAWC+: upgraded far infrared imager & polarimeter. (2016 commissioning) - upGREAT: multi-pixel heterodyne spectrometer (2015 commissioning) • Considering a solicitat ...
... detectors, which offer the possibility of on-chip fast-readout (specific to the Hawaii RG II detectors). The latter was discarded, due to the added complexity in terms of operation, the limited performance gain in wide-band, and the decrease of sky coverage for narrowband observations. The loop rate ...
eScience: The Next Decade Will Be Exciting
... I’ve been pursuing these questions in Geography (with http://TerraService.Net), Astronomy (with the World-Wide telescope -- e.g. http://SkyServer.Sdss.org and http://www.ivoa.net/) 2and more recently in bio informatics (with portable PubMedCentral). ...
... I’ve been pursuing these questions in Geography (with http://TerraService.Net), Astronomy (with the World-Wide telescope -- e.g. http://SkyServer.Sdss.org and http://www.ivoa.net/) 2and more recently in bio informatics (with portable PubMedCentral). ...
PVPhotFlux
... • internal calibration sources • fully covered by PVPhotBol (PHOT characterisation) • independent confirmation of minimum flux may be desirable – not only depends on detector properties – suitable weak calibration targets from ISO GBPP / ISOPHOT Cohen – observe set of targets to minimise impact of f ...
... • internal calibration sources • fully covered by PVPhotBol (PHOT characterisation) • independent confirmation of minimum flux may be desirable – not only depends on detector properties – suitable weak calibration targets from ISO GBPP / ISOPHOT Cohen – observe set of targets to minimise impact of f ...
sot17_initial_ope_060415
... Make the satellite pointing to the disk center Light level is continuously monitored by CT live images when the door opening operation. After the top-door is successfully opened, we plan to switch observation tables to carry out the initial optical checkout. – Light level check for FG (all the wavel ...
... Make the satellite pointing to the disk center Light level is continuously monitored by CT live images when the door opening operation. After the top-door is successfully opened, we plan to switch observation tables to carry out the initial optical checkout. – Light level check for FG (all the wavel ...
PDF only
... figures, the concave lens over the larger figure and the convex lens over the smaller, while the observer looked at them from a distance of about 30 cm. The lens placed over the figure is then lifted away slowly until the figure, seen through the lens, is equal in size to the other figure seen—not s ...
... figures, the concave lens over the larger figure and the convex lens over the smaller, while the observer looked at them from a distance of about 30 cm. The lens placed over the figure is then lifted away slowly until the figure, seen through the lens, is equal in size to the other figure seen—not s ...
SPECTROHELIOSCOPE DESIGNS
... visually the dark core width of the spectral lines. Second order is used too. The passband to have good contrast on the solar disk: H alpha, 0.6A; green Mg, yellow Na and He, 0.1A; violet H and K lines, 3A. The human eye has poor sensitivity to violet light; must use photography or CCD. The cones of ...
... visually the dark core width of the spectral lines. Second order is used too. The passband to have good contrast on the solar disk: H alpha, 0.6A; green Mg, yellow Na and He, 0.1A; violet H and K lines, 3A. The human eye has poor sensitivity to violet light; must use photography or CCD. The cones of ...
SEPTEMBER LECTURE James W. Christy, discoverer of Charon
... precise positional work, was installed. Christy showed a number of plates taken with this instrument that attest to its optical excellence. In 1965, 70, and 71, plates of Pluto were taken with this telescope for positional measurements. Since none had been taken subsequently, Christy requested that ...
... precise positional work, was installed. Christy showed a number of plates taken with this instrument that attest to its optical excellence. In 1965, 70, and 71, plates of Pluto were taken with this telescope for positional measurements. Since none had been taken subsequently, Christy requested that ...
Invited talks
... and many more features. It also contains a set of tools to control parallel computations via high-level interfaces that can be used either interactively or in long-running batch mode. In this talk I will outline some of the main features of IPython as it has been widely adopted by the scientific Pyt ...
... and many more features. It also contains a set of tools to control parallel computations via high-level interfaces that can be used either interactively or in long-running batch mode. In this talk I will outline some of the main features of IPython as it has been widely adopted by the scientific Pyt ...
From Musician to Astronomer: The Great William Herschel
... • Eventually was offered royal pension by King George III to devote his time solely to astronomy • In 1782, Herschel moved to near London, Caroline accompanied him ...
... • Eventually was offered royal pension by King George III to devote his time solely to astronomy • In 1782, Herschel moved to near London, Caroline accompanied him ...
test methods for secondary mirrors of cassegrain telescopes with
... The edge zone of the secondaries requires a tilt of the pentaprism axis corresponding to the telescope field angle and tests combined with the corrector. ...
... The edge zone of the secondaries requires a tilt of the pentaprism axis corresponding to the telescope field angle and tests combined with the corrector. ...
FISICA: The Florida Image Slicer for Infrared Cosmology
... mirrors. These cause a near-complete loss of light over ~1-arcsec near the center of each affected slitlet (comprising ½ of all slitlets). While these were somewhat problematic, they can be compensated using standard dither/nod observing techniques. Furthermore, by slightly offsetting the flat field ...
... mirrors. These cause a near-complete loss of light over ~1-arcsec near the center of each affected slitlet (comprising ½ of all slitlets). While these were somewhat problematic, they can be compensated using standard dither/nod observing techniques. Furthermore, by slightly offsetting the flat field ...
NGC 625 AAS
... effective resolution probes neutral gas structures larger than 4.7 kpc in Tol 1924-416, and larger than 8.1 kpc in IRAS 08339+6517. Both systems are revealed to be tidally interacting: Tol 1924-416 with ESO 338-IG04B (6.6΄ = 72 kpc minimum separation), and IRAS 08339+6517 with 2MASX J08380769+650857 ...
... effective resolution probes neutral gas structures larger than 4.7 kpc in Tol 1924-416, and larger than 8.1 kpc in IRAS 08339+6517. Both systems are revealed to be tidally interacting: Tol 1924-416 with ESO 338-IG04B (6.6΄ = 72 kpc minimum separation), and IRAS 08339+6517 with 2MASX J08380769+650857 ...
Success, Truth, and the Galilean Strategy
... and so on. We can use magnifying glasses and microscopes to clearly see things that we could otherwise see only with careful scrutiny, we can use them to see features which only our sharp-eyed friends can make out, and so on. The empiricist may resist these cases—distant things seen through the tele ...
... and so on. We can use magnifying glasses and microscopes to clearly see things that we could otherwise see only with careful scrutiny, we can use them to see features which only our sharp-eyed friends can make out, and so on. The empiricist may resist these cases—distant things seen through the tele ...
Planet Discoverer Interferometer I: PD!, a potential precursor to
... needs to be 4 times longer than with PDI. Since limiting observation times with TPF have been projected as —2 months, this would make the necessary time per planetary system with PDI two weeks. The observing time has also been calculated directly by sing the numbers from Angel and Woolf's study11 o ...
... needs to be 4 times longer than with PDI. Since limiting observation times with TPF have been projected as —2 months, this would make the necessary time per planetary system with PDI two weeks. The observing time has also been calculated directly by sing the numbers from Angel and Woolf's study11 o ...
lhaaso-km2a
... • The self-calibration method can be used to determine the detector time offsets constants on hours timescale at a precision level of sub-nanosecond. • The calibration procedure meet the requirements of KM2A-EDs and will be applied in up-coming LHAASO-KM2A experiment. ...
... • The self-calibration method can be used to determine the detector time offsets constants on hours timescale at a precision level of sub-nanosecond. • The calibration procedure meet the requirements of KM2A-EDs and will be applied in up-coming LHAASO-KM2A experiment. ...
OCT Imaging in Eyes With an Implanted Telescope
... Despite the challenges presented when capturing quality images of the retina in eyes with the IMT, 2 types of scans with the Cirrus HD-OCT platform (Carl Zeiss Meditec) can be used: Mac Cube 512 x 128 and HD 5 Line Raster. The primary advantage of the Mac Cube scan is the ability to scroll through a ...
... Despite the challenges presented when capturing quality images of the retina in eyes with the IMT, 2 types of scans with the Cirrus HD-OCT platform (Carl Zeiss Meditec) can be used: Mac Cube 512 x 128 and HD 5 Line Raster. The primary advantage of the Mac Cube scan is the ability to scroll through a ...