Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...

... The particular variables it is concerned with are tick , which is the number of microseconds added to the system time during a clock interrupt, tickadj , which sets the slew rate and resolution used by the adjtime system call, and dosynctodr , which indicates to the kernels on some machines whether they should internally adjust the system clock to keep it in line with time-of-day clock or not. ... Set the kernel variable tickadj to an internally computed "optimal" value. -t tick . ...

... In Spiral . Between spiral . ... Center of vortices . ... to density exterema . ...

... Transforms a qpoe file according to the specified parameters. ... Any type of filtering can be applied to the input qpoe file, including region filtering. In addition, the size of the output event record can be different from the size of the input event record. Of course, usually one makes the output record equal to or smaller than the input. If the output record size is made greater than the input record, a warning is issued and the ``extra'' part of the record is undefined.) ...

. home . product . gallery . contact .

. Precision increase for the theory of relative motion of a satellite's pair . K. V. Kholshevnikov . Astronomical Institute of St. Petersburg State University, and Institute of Applied Astronomy, St. Petersburg, Russia Abstract: . No abstract Key words: . Very Long Baseline Interferometry (VLBI), celestial mechanics, precision increase, relative motion of a satellite's pair.

... With McMath, Robert R.; Mohler, Orren C. Telluric Bands of CH 4 in the Solar Spectrum. 1949 v.109 p.28 . With Mohler, Orren C.; McMath, Robert R. New Solar Lines in the Spectral Region 1.52-1.75 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. New Solar Lines in the Spectral Region 1.97-2.49 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. Table of Infrared Solar Lines, 1.4-2.5 . ... With McMath, Robert R.; Mohler, Orren C.; Pierce, A. Keith . ...

... solve : find optimum fit in a grid of model spectra . ... It initiates an optimisation by starting with a grid of theoretical spectra, defined by model or read_grid , a set of starting parameters and an observed spectrum. ... The parameters to be optimised include: T eff , log g , n A , v sin i , v rad being effective temperature, surface gravity, an abundance variable, rotation velocity and radial velocity for one or two stars, and R 2 / R 1 being the relative radius of the second star, if present....

... PUL2 catalog contains original absolute proper motions of 59646 stars in 149 fields with galaxies. ... Mean errors of relative proper motions in PUL2 catalog is 5.5 mas/year. ... The external mean error of one relative proper motion of a bright star of PUL2 catalog is 9 mas/year for both of coordinates. ... After issue of UCAC2 catalog, we decided to improve accuracy of proper motions, using Pul-3 coordinates (of 1950s) as the first epoch, and UCAC2 coordinates as the second epoch. ...

makeprfcorr -- Compute the pixel response function for an image created with asncombine makeprfcorr association . association . ... Interactive program to compute relative shifts of images in an association file. ... After computing the relative shifts of the direct images, alignasn searches for corresponding grism images for each of the direct images. ... The grism association is then updated with the same relative shift measurements as determined from the direct images. ...

... Up: Data Analysis Applications . ... Pixlib, an AXAF Science Center (ASC) coordinate library, has been developed as the continuing effort of (He 1997). ... In this paper, we will discuss the design and the configuration of the pixlib system, and show, as an example, how to integrate the library into ASC data analysis at XRCF. ... The following two functions, in addition to other generic configurations, effectively supply the system configuration for coordinate transformation at XRCF. ...

According to the # 7.1. of the Acting Statutes/Regulations on the International Astronomy Olympiad there should be an Authorized National Representative (Astronomical) Organization (ANRAO) in every participating state: A national astronomical society, a department (section) of the EAAS or IAU in the state, a leading observatory, an astronomical department of a leading university, a ministry of education or another appropriate competent institution. ...

. This 3-D image clearly shows the spherical shape of Mars. (To see the 3-D effect, use a pair of left-eye red, right-eye blue color glasses.) Although Rosetta's direction relative to Mars was relatively constant during the approach, the surface view changed due to rotation. This made possible the production of an anaglyph, or stereoscopic image, by combining images taken by OSIRIS at different times. ESA

The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

... Unsafe act - a behavioral departure from an accepted, normal, or correct procedure or practice which, in the past, has produced injury or property damage or which has potential for doing so in the future; an unnecessary exposure to a hazard; conduct reducing the degree or safety normally present in an activity. ... Any hazardous unsafe condition, or act that presents a situation of imminent danger to life and/or property requires urgent action. ...

... High redshift radio galaxies . ... Verkhodanov O.V., Kopylov A.I., Zhelenkova O.P., Verkhodanova N.V., Chernenkov V.N., Parijskij Yu.N., Soboleva N.S., Temirova A.V. 2000. ... Verkhodanov O.V., Kopylov A.I., Parijskij Yu.N., Soboleva N.S., Temirova A.V. "Color ages of parent galaxies of high redshift radio sources", in Proc. XV Conf. on "Aktualnye problemy vnegalakticheskoi astronomii" ("Current Problems of Extragalactic Astronomy"), Pushchino, May 25--29, 1998, printed in Pushchino Sci. ...

.

... java.lang.Object ij.gui.Roi ij.gui.PolygonRoi . ... public class PolygonRoi . ... protected int . ... protected void . ... Type must be Roi.POLYGON, Roi.FREEROI, Roi.TRACED_ROI, Roi.POLYLINE, Roi.FREELINE or Roi.ANGLE. public PolygonRoi (java.awt.Polygon p, int type) . ... Type must be Roi.POLYGON, Roi.FREEROI, Roi.TRACED_ROI, Roi.POLYLINE, Roi.FREELINE or Roi.ANGLE. public PolygonRoi (int[] xPoints, int[] yPoints, int nPoints, ImagePlus imp, int type) . ... protected void grow (int sx, int sy) . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... 41 Table 1. ... Radiative Recombination Rates on the HeI ion levels .. ... Parameters ai and Ti for the total rates of dielectronic recombination . ... Recombination charge transfer rates in units 10-9 cm3 s-1 b etween atoms and ions of heavy elements . ... Relative Intensities of the C, N, O ions recombination lines Table 27. Parameters of the analytical approximation (Eq3.6) of the effective dielectronic recombination coefficients for lines of the ions of C, N, O, Ne, Mg, Al and Si Table 28. ...