... The tilt of the holes was compared to that of the telecentric surface of the contemporaneous spectrographic optical design, kent005. ... The tilt of each hole as a function of its radial location on the plate is plotted along with the ideal tilt from optical design kmg001 (Figures 2 through 7). ... Figure 2: Hole tilts for uw0100. ... Measurements of the tilts of holes in plates drilled in December of 1994 have been reanalyzed and compared to the ideal hole tilt of the current optical design kmg001....

... HST . Table of Coronographic Hole Position . as a Function of Time . ... HST Peer Review Process . ... Coronographic Hole Position Date DAY X Y ---------------------------------- Feb 23 1997 54.6484 77.567 199.304 Mar 4 1997 63.8516 76.502 199.770 Mar 12 1997 71.7188 75.045 200.909 Mar 28 1997 87.5625 74.146 211.357 Apr 5 1997 95.3516 72.612 217.050 Apr 20 1997 110.305 71.603 218.231 Apr 23 1997 113.945 72.538 215.826 Apr 26 1997 116.500 73.311 214.728 Apr 29 ...

... Mass limited by steep BH mass function. ... Broad lines and Quasars Mass estimation with the virial method · Broad-line emission region is assumed to be virialised and so the width of a line gives vBLR. ... 2005) · Virial problems · · Broad-line region may not be virialised Radius-luminosity relation poorly defined (in particular for bright quasars) We want the dispersion in BH mass at a given luminosity so: · We bin our sample of QSOs by L and z and calculate the dispersion in Log(line width). ...

Full-Text Search . ... arXiv.org . astro-ph . ... SAI VO . Search sort results by Date Relevance . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . Normalized to: Hole, T. 1 article(s) in total . ... Apellaniz, J. Maiz. ... Hoffman, Jennifer L.. ... Lauer, Jennifer. ... Moffat, Anthony F. J.. ... SAI MSU . ...

... The alfa rotation angle was set to 0 degrees. ... Beam 0 was sampled more often than the others to get a better measure of the pointing offsets. ... Page 5: Pointing error. beam 2 had large za errors. ... Compute the change in the pointing error if the alfa rotation error was off by -5 to +5 degrees in .1 degree steps. ... Top: rms pointing error vs rotation angle offset. ... Red: Az rms pointing error . ... rotating by + 1.1 degrees reduces the non beam 0 rms from 13 to 12 asecs. rms Error asecs . ...

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... The measured gravitational waves match those expected from two large black holes merging after a death spiral in a distant galaxy, with the resulting new black hole momentarily vibrating in a rapid ringdown . ... The featured illustration depicts the two merging black holes with the signal strength of the two detectors over 0.3 seconds superimposed across the bottom. ... Two Black Holes Merge . Advanced LIGO: Gravitational Wave Detectors Upgraded . ... A Step Toward Gravitational Wave Detection ...

... In Fig. 2 the spectrum of the host galaxy HS1035+4758 is shown, in which typical HII-galaxy narrow emission lines are seen: H 4861, [OIII] 4959,5007, H 6562, [NII] 6548,6584 and [SII] 6716,6731 ?. ... The spectral evolution of SN 1998bv is illustrated in Fig. ... The change of the spectrum between April 6 and 19 with clear reddening shortward of H during these 2 weeks indicates seemingly that the 1st spectrum was observed in the period between the 20th and 30th days after the peak of the light curve...

Find Similar Abstracts . ... Possibility of a cold cosmological singularity in the spectrum of primordial black holes . ... 24, Dec. 5, 1976, p. 616-618.) ... 12/1976 . ... BLACK HOLES (ASTRONOMY), COSMOLOGY, ENTROPY, SINGULARITY (MATHEMATICS), ASTRONOMICAL MODELS, EVAPORATION, STELLAR EVOLUTION, STELLAR MASS . ... Use: Authors Title Abstract Text Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK HELP ...

Next: Results & Discussion Up: Coronal Hole Diagnostics out Previous: Introduction . ... The dates of the observations discussed here, their locations, pointing, slit sizes and exposure times are given in BTDW. ... Line fits are given by the dotted line. ... An estimation of the errors in the derived parameters was obtained using the GA-derived parameters as an input for a ``classical'' IDL-CURVEFIT procedure (Peter, 1999; Peter & Judge, 1999). ...

... Hartmann Test Using a Screen With Four Holes 2 Hartmann test with four holes screen The theoretical concept of the primary aberrations measurement by four apertures Hartmann test introduced by "Malacara" * and "SalasPeimbert et. al. ... Black curve show the calculated coefficients for phase screens which have 8 modes of Zernike aberrations and red curve show the calculated coefficient for original phase screen. (a) astigmatism 45 (b) astigmatism 090 14 Coma Coma modes of Zernike aberration. ...

... 2010 May 29 . Black Holes in Merging Galaxies . ... Explanation: Violent galaxy mergers can feed supermassive black holes. ... New results from a premier sky survey by NASA's Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies , though. ... In fact, these panels show the location (circled) of Swift X-ray detected supermassive black holes in a variety of merging galaxy systems. ... About APOD | ... A service of: ASD at NASA / GSFC . ...

... In asmooth at present sources can be removed and the local background interpolated over their positions. ... To create such a map, the user should supply asmooth , via the parameters withsrclistset and srclistset , with a list of sources produced by either eboxdetect or emldetect . ... For each source, asmooth calculates an elliptical boundary, being the locus at which the point spread function (PSF) of the source decreases to some constant value times the value of the local background. ...

... Drifting electron holes (DEHs), originally found in the geosynchronous particle data (Sergeev et al., 1992) are substorm related regions of decreased energetic (tens and hundreds of keV) electron fluxes that drift around the Earth just like electron injections (enhancements of fluxes) do. ... 1996). Sergeev, V. A., T. BЖsinger, R. D. Belian, G. D. Reeves, and T. E. Cayton, Drifting holes in the energetic electron flux at geosynchronous orbit following the substorm onset, J. Geophys. ...

... I'd like astrology, fifth period," she said. ... Although these activities are not as open-ended as classroom research can be [see Black Holes to Blackboards, September/October 1995, p. 8], they do involve inquiry and critical thinking, the quintessence of science. ... Uh-oh...just read my horoscope and it says that today is a bad day for mental activities, and that my intellectual faculties will be enhanced by the positioning of Saturn in my second house during the next full Moon. ...

The study of energetic particles acceleration and transport within the magnetosphere and on its boundaries is the main goal of DOK-2 experiment on Auroral Probe in a frame of INTERBALL project. ... DOK-2 uses two pairs of energetic particle telescopes . ... This information is available only during the most informative Real Time mode of DOK-2. ... Full 56-57 channel spectra accumulated during time intervals from 10 s to 1464 s depending on a particle intensity. ... For this time interval: . ...

Coronal "hole" on the Sun . ... As a result of the observations of solar eclipse on February 15, 1961 at wavelength 21 cm the lower brightness region of corona was discovered (detail N5 on figure 1) and it's location on east nimbus of the Sun was determined (figure 2). ... Subsegently such phenomena were named "Coronal Holes". Figure 1. ... The detail N5 is Coronal Hole. ... The location on disk of the Sun radiation details of corona at wavelength 21 cm. ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... public class ParticleAnalyzer . ... static int . ... Add particles to ROI Manager. protected boolean . ... Clear ImageJ console before starting. static int . ... protected static int . ... Do not measure particles touching edge of image. protected boolean . ... Flood fill to ignore interior holes. protected static int . ... Display image containing binary masks of measured particles. static int . ... Field Detail public static final int SHOW_RESULTS . ... protected static final int NOTHING . ...

On 1 February 2002 this Mirror was upgraded from NVSSlist v2.10 to NVSSlist v2.17 . ... This form searches the source catalog produced by the NRAO/VLA Sky Survey (NVSS). ... Object name [optional] : . ... Search radius and verification halfwidth in arcseconds [Optional] : . ... Enter a list of positions to search: . ... The contents of the NVSS source catalog and the techniques used by NVSSlist to derive error estimates and other parameters are described here. ...