ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

MAJOR MAGNETIC STORMS 1868-2005 ACCORDING TO THE AA* CRITERIA For a plot of sunspot number and aa Yearly Indices 1868-2005, see ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/AASTAR/aasspot.gif A simple global index of magnetic activity is produced in France from the K indices of two nearly antipodal magnetic observatories in England and Australia. ... Daily average AA may be derived similarly to Ap. ... An AA* index has been derived that is the counterpart of Ap* but is available for a longer span of years. ...

... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...

Arecibo Observatory Technical Memo AOTM 2000­01 THE LBW FEED: THE MUELLER MATRIX IN 1999 AND 2000 Carl Heiles ABSTRACT We present measurements of the Mueller matrix and associated quantities at two epochs for 1420.4 MHz (February­March 1999 and March 2000) and one for 1665.3 MHz (March 2000). ... SUMMARY AND RESULTS In AOTM 99­01, we presented the theory and practice of deriving the Mueller matrix for the LBW system. ... Delta\Phi = \Phi XY;SKY \Gamma \Phi XY;CAL as defined in x2.1 of AOTM 99­01. ...

... The simple pair of formulas derived in problem (8) . ... around the z axis, , giving the above result and producing (x',y'), while z remains the same, so that in the new system z' = z. Then we rotate (x',y',z') by an angle ? around the x' axis, using the same formulas but with (y',z', ?) in place of (x,y, ?) ... Knowing its semi-major axis a, eccentricity e and mean anomaly M, one can derive its true anomaly f (using appropriate formulas, not given in #12a) and from it the radial distance r . ...

UPDATE - June 1, 2007 . ... A successfull MERLIN proposal for "Co-ordinated studies of the solar minimum solar wind" has been advanced by Andy Breen (PI, with the participation of G. Dorrian, R. Fallows, G. Poletto, M. Bisi, P. Thomasson, R. Beswick): this means that scintillation measurements will be made on 12, 14, 15 and 17 May, 2007. ... 2007/05/12 . ... MERLIN . ... 0323+055 . ... EISCAT/ESR/MERLIN . ... 0321+123 . ... EISCAT/MERLIN . ...

COPRATES CHASMA NORTH WALL INTERIOR LAYERED DEPOSIT: LAYER MEASUREMENTS AND COMPARISON WITH JUVENTAE CHASMA ILDS USING MARS EXPRESS HIGH RESOLUTION STEREO CAMERA (HRSC) DERIVED TOPOGRAPHY Michael, G.1, E. Hauber1, K. Gwinner1, R. Stesky2 ... Planets, Freie Universitaet, Berlin, Germany 5ESTEC, ESA, Noordwijk, The Netherlands Introduction: The interior layered deposit ( ILD ) in the north wall of Coprates ... The lesser section of the ILD is confined by a ridge of the chasma wall. ...

Next: Case A: Up: No Title Previous: Introduction . Let us assume that two neutron stars with masses and are merging. The following state of the after-merging object is determined by the ratio of the resulting total mass and the Oppenheimer-Volkoff limit. ... Here and below we interpret the Oppenheimer-Volkoff limit not as the standard value derived for the cold equation of state of baryonic matter for a non-rotating neutron star, but as a modified one. ...

ST-ECF Technical Instrument Report WFC3-2009-04 The cross dispersion profiles of the WFC3 grisms H. Kuntschner, H. Bushouse, M. KЭmmel, J. R. Walsh April 30, 2009 ABS TRACT This document summarizes the analysis of the cross-dispersion profile width for the three grisms of the WFC3. For the IR grisms, the cross dispersion profile width derived from white light images and monochromator steps obtained in TV3 provide consistent results also in agreement with estimates derived from direct images. ...

... 8, ``Celestial Mechanics'', 2002 Duirnal pole tides and determination of static and dynamic Love numbers from analysis of VLBI observations 1998­2001 G. A. Krasinsky Institute of Applied Astronomy, St.Petersburg, Russia Simple analytical expressions to model diurnal oscillations in site displace­ ments and in the coefficients c 1 2 ; s 1 2 of the geopotential caused by the centrifu­ gal potential of the Earth's fluid core are derived. ...

Peremennye Zvezdy", . ... Type . ... NSV 15584 . ... Johnson B-V = 0.609 (derived from Tycho-2); J-K = 0.507 (2MASS). Proper motion: pmRA = 21.71 mas/yr, pmDE = 33.05 mas/yr (R ser et al. 2008). ... Spectral type: G1V, EW(Li) = 0 (Torres et al. ... Spectral type: G7III, EW(Li) = 0 (Torres et al. ... Spectral type: G5V (Nassau MacRae 1955). ... Spectral type: G8 (GCVS, NSV). ... ii) appropriate spectral types, 2MASS J-K (Skrutskie et al. 2006) and B-V (H g et al. 2000) colour indices, . ...

... Previous: Introductory Note about the release 3.3.6 . Next: Bug Reports for This Document . XFree86 is a port of X11R6.3 that supports several versions of Intel-based Unix. ... This release consists of many new features and performance improvements as well as many bug fixes. ... XFree86/OS2 is the name of the implementation of XFree86 on OS/2 based systems. ... Binaries for OS/2 Warp, Merlin, and Aurora are available from: ftp.XFree86.org:/pub/XFree86/3.3.6/OS2 . ...

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . This listing's details have proven difficult to confirm. See many more Astronomy Listings by: Category or Alphabet . Custom manufacturer of portable fabric enclosures built to your needs and specifications. ... 360) 299-9508 . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

... Satellites of the planets are assigned a provisional designation (indicating year of discovery) by the Central Bureau for Astronomical Telegrams ( CBAT ) upon satisfactory demonstration of the existence of a new object. ... In the past, Comets were first given a provisional designation, consisting of the year and a lowercase letter indicating the order of discovery in the year (e.g., 1994a was the first comet discovered or recovered in 1994, 1994b the second, etc.) ... Names .. ...

SETI@home consists of a receiving Arecibo antenna, a professional team (PT), and a two-way Internet connection between the PT and an army of S@h users, who load from the S@h server special software for digital signal processing. ... Thereby, METI@home will consist of several originators, which may load via Internet from a M@h server special software for the creation of analog and digital messages. ... Professional Group SETI@home . ... Professional Group METI@home . ... Main Internet Server . ...

... Solar is a companion program that reads a line list from the Moore Tables of the Rowland Atlas of the Sun and creates a spectrum based on the wavelength and equivalent width of the tabulated features. ... The distribution contains the original source code for Colorspec and Solar in C, a version of Solar written in Fortran, the NSO solar flux atlas in a format suitable for use with Colorspec, the Moore Tables, and a few sample spectra. Download Colorspec - Current Version 1.0 . ...

... We publish 16 Doppler imaging temperature maps for the years 1994-2002 of the active RS CVn star II Peg. ... Through Doppler imaging we want to study the spot evolution of the star and in particular compare this with previous results showing a cyclic spot behaviour and persistent active longitudes. ... The derived temperature maps are quite similar to the ones obtained earlier with a different methods, the main differences occurring in the spot latitudes and relative strength of the spot structures....

The HTML document type was designed by Tim Berners-Lee at CERN as part of the 1990 World-Wide Web project. In 1992, Dan Connolly wrote the HTML Document Type Definition (DTD) and a brief HTML specification. ... Mosaic pioneered the addition of in-line images, image maps, nested lists and fill-out forms (derived from work on HTML+). ... Particular thanks are due to: . ... Mike Knezovich; Spyglass, Inc.; mike@spyglass.com . ... Eric W. Sink; Spyglass, Inc.; eric@spyglass.com . ...

Figure 10. The circles show the thermal defocus corrections that were observed on August 15, 2000. These data were derived by combining the defocus measurements seen in Figure 6 with the thermal measurements of the truss seen in Figure 7. ... I then fit the thermal defocus data given by the circles above using only the thermal time constant and an arbitrary "zero-point" constant as fit parameters. ... M1 corresponds to a thermal time constant of 0.37 hours (22 minutes) for the rods. ...