. Hydration map, based on Mastcam spectra, for "Knorr" rock target . On this image of the rock target "Knorr," color coding maps the amount of mineral hydration indicated by a ratio of near-infrared reflectance intensities measured by the Mast Camera (Mastcam) on NASA's Mars rover Curiosity. NASA/JPL-Caltech/MSSS/ASU

... The predictive power of current models (the so-called meteor forecasting) has given us the exact timing of the Leonid storms of 2001 and 2002 to the nearest hour and are now used to predict the arrival times of major annual showers such as the Perseids . ... Towards this goal, the Observatory has installed a sky-monitoring system, consisting of one medium angle (MA) and two wide-angle (WA) video cameras linked to software designed to detect motion. ... Bright Taurid Meteor . ... Meteors on Mars . ...

README: WF/PC-1 returned filter spectral profiles Measured: December 1994 The following file naming conventions are used for the passband and blocking directories: faaab_c.dat f - filter aaa - central wavelength b - n, w, or m for narrow, wide or medium c - 1-5 indicates number of the passband spectral scan. - b indicates blocking curve on a logarithmic scale. ... Scan 5 is at the center of the filter, corresponding to the pyramid apex. ... Blocking curves are taken at the center of the filter only. ...

... A video camera used for filming was tested on 31jul14. ... Luis measured the emissions of the video camera on 31jul14 in the screen room.. ... data was taken with power supply and camera off . data was taken with the probe next to the camera screen, recording. the power supply was about 4 feet away . data was taken with the probe next to the power supply. the camera was on and recording about 4 feet from the probe. ... this has the camera on and recording. the power supply is also on . ...

... We present a compilation of the flux densities at 22.25 MHz for 395 radio sources. The flux densities are derived from three or more observations of each source. ... In this paper we present a final list of the flux densities scaled both from the specific observations of individual sources and from scans of the survey of galactic emission. The list comprises revised flux densities of sources listed in paper I and new flux densities for sources measured subsequently. ... Braude, S. Ya.: ...

... QSO H1821 643 Indicates a Universe Filled with Hydrogen . ... WIYN Observatory , NOAO , NSF ; HST , NASA Explanation: A quasar slightly depleted of a specific color of light may indicate that our universe is filled with massive amounts of ionized hydrogen . ... Publications with keywords: universe - hydrogen - ionized hydrogen - dark matter - quasar . Publications with words: universe - hydrogen - ionized hydrogen - dark matter - quasar . ... Cluster Crash Illuminates Dark Matter Conundrum . ...

The rates of build-up in the atmosphere of human-made compounds that deplete the ozone layer (e.g., chlorofluorocarbons (CFCs) and halons) have slowed in recent years as a direct result of reductions in global emissions of these compounds. ... The peak global ozone depletions are expected to occur during the next several years. ... Methyl bromide continues to be viewed as a significant ozone- depleting chemical. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. ... QSO H1821+643 Indicates a Universe Filled with Hydrogen . ... Explanation: A quasar slightly depleted of a specific color of light may indicate that our universe is filled with massive amounts of ionized hydrogen . Light from QSO H1821+643, pictured above , comes to us from about a quarter of the way across the visible universe . ...

... Circinus is a nearby spiral galaxy only 4 degrees below the Galactic plane. ... Jones et al. (1996, in prep.) and Koribalski Whiteoak (1996) only recently mapped Circinus with several configurations of the ATCA; a few preliminary results are presented here. ... The elongated central disk (length about 5 arcmin) indicates a bar, and the central `hole' is caused by HI absorption against the bright central region of Circinus. ... Figure 3 : Halpha emission from the nuclear region of the Circinus galaxy...

... XMM­Newton CCF Release XMM­CCF­REL­69 Page: 3 [4] Ph. ... XMM­Newton CCF Release XMM­CCF­REL­69 Page: 4 0 60 120 180 240 Diameter (arcsec) 0 0.2 0.4 0.6 0.8 1 Encircled energy function (XRT3/ FM2 / EPIC pn) Parametrization 1.5 keV Parametrization 4.5 keV Parametrization 7.5 keV Measurements 1.5 keV Measurements 4.5 keV Measurements 8.0 keV Figure 2: On­axis encircled energy function of the XRT3 telescope (in front of the EPIC p\Gamman camera for three different energies. ...

... As a result of BTA observations of 23 chemically peculiar stars with strong magnetic fields, it was found that in 22 of them the longitudinal magnetic field, measured from the hydrogen line cores are considerably lower (by about 1/3) than the value measured from metal lines in the same spectra. ... New approaches need to be developed in order to interpret the data. ... The Zeeman spectrum of a star with a strong magnetic field, 53 Cam. ...

... It can · · obtain ice sample from 20 cm or deeper surface layer, then melt it and extract biomass from the ice surface water by filtration; Laser TOF MS for the measurements of element composition of the biomass; Gas TOF MS for the detection of: 1) volatile components, generated at the heating of biomass sample (closed window mode); 2) secondary ions , emitted from ice matrix by the influence of energetic magnetosphere ... Spectrum of yeast sample. ... Laser TOF MS 6. ...

... Despite new observation methods provided by radar and satellite instrumentation , optical measurements are still important when studying auroras . ... Because of the monochromatic nature of the auroral light, photomultiplier tubes with very narrow band filters were used in the measurements. ... The spectra of the background emissions from atmospheric impurities (clouds, ice crystals, etc.) is rather continuous, and measurements just outside the auroral emission lines are valid for the line itself. ...

... The data from the images during this period is as follows: 09_1846.fit sur,sig= 2669.5 8.8 plat,sig= 2682.6 7.9 P-S= 13.1 DT= 0.8 . 09_1852.fit sur,sig= 2666.5 8.0 plat,sig= 2679.2 8.1 P-S= 12.7 DT= 0.6 . ... 09_1912.fit sur,sig= 2659.9 8.4 plat,sig= 2669.5 8.1 P-S= 9.6 DT= 0.0 . ... The filenames are date_mst.fit; sur,sig give the mean level in the image of the surround and the noise. plat,sig give the mean level in the heated plate and its noise. ... noise: < 0.16 C-deg-(min)^0.5 . ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

Rossiter-McLaughlin Observations of WASP-13b, WASP-32b and WASP-37b R. D. Brothwell1, C. A. Watson1 et al. 1Astrophysic s Research Centre, School of Mathematics and Physics, Queen's University Belfast, Belfast, BT7 1NN Introduction & Background The Rossiter-McLaughlin (RM) effect can be used to measure the projected spin-orbit alignment () of a planetary system. ... The modeled . ... The modeled RM effect indicates WASP-13b is aligned with and orbits in a prograde sense. ...

Next: 3.2. ... The Results. ... Figure 3: Colour-Magnitude diagram for 337 stars in NGC 6789. ... The CM diagrams of regions C,E and F (see Fig. 1 b ) are shown in Fig. 3 , where stars from region C are denoted by open circles, ones from the E are filled diamonds and stars from the region F are shown by dots. ... 3.2 . ... Most of the bright stars (I The diagram shown in Fig. 3 have not been corrected for interstellar extinction. ...

. Comment on J1225+1253 . Early 2.3 GHz VLBI observations (Jones, Terzian & Sramek 1981) indicate an elongated source structure in the N-S direction, in agreement with our image. Giovannini, Feretti & Comoretto (1990) measured a 180 mJy correlated flux density at 1.6 GHz on the shortest VLBI baselines. VLBApls home page . Last modified: 16 Oct 2000

Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...

An image of the grand design of spiral galaxy M100 obtained with NASA's Hubble Space Telescope resolves individual stars within the majestic spiral arms. ... Hubble has the ability to resolve individual stars in other galaxies and measure accurately the light from very faint stars. This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100's spiral arms. ... 617) 495-7062 . Fax: (617) 495-7356 . ...