... 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). ...

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... Archives . ... If you do not mind the time predictor, it is hard to believe that this is a light curve, time dependent data. ... It?s hard to say this data set is designed for time series analysis apart from the complication in statistical inference due to measurement errors. How to design the statistical study with measurement errors, huge gaps in time, and unequal time intervals is complex and unexplored. ... The following is R output without measurement errors. ... Chandra Blog . ...

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• zhtools
• The AstroStat Slog LDA
• The AstroStat Slog outliers

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

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• Coordinates of the magnetic obsevatory polygons
• Parallax

... In the pn-CCD, 768 individual amplifiers allow fast readout, but imply different gains for the different readout channels which all have to be determined and corrected for. The gains of the 768 readout nodes were derived by comparing the position of CTI corrected calibration lines (in adu) with their known energy. ... More details on the CTI and gain correction can be found in []. ...

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• Description
• Processing OM Image mode data

... An interactive IRAF task for the analysis of Extreme Ultraviolet Explorer ( EUVE ) emission line spectra is presented. The line flux in extracted spectra may be measured by multiple techniques, including fitting individual lines. ... To aid in identifying lines, the positions of known lines may be marked on the spectrum during the fitting process. Also, model EUVE spectra may be constructed and overlaid using plasma emissivities and source emission measures supplied by the user. ...

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• ADASS 2003 Conference Proceedings
• Automated Software for Slitless Spectroscopy Analysis and Quasar Selection
• NICMOS Related Software Development at the ST-ECF

... Slide 2 . ... Smooth Accretion of Intergalactic Gas . Mergers and Satellite Accretion . Galactic Fountain Material . HIPASS = HI Parkes All-Sky Survey . A typical HIPASS data cube . HIPASS was designed to be an extragalactic survey . ... Different types of HVCs in different environments? ... HVCs and Galactic Emission . ...

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• cb rfi road trip 19jan16
• Galactic ALFA Surveys
• Visitors Tourists -- The AO Optical Laboratory

To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...

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... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...

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• Why do some stars appear to flash a variety of different colors when you look
• Magnetic fields, subatomic particles, etc., traveling in different directions
• The different types of supernovae | Astronomy.com

... Here we will look at line plots. We will go through steps, such as changing linestyles and symbols, you can use to modify your line plots. ... IDL> plot, num, line . ... IDL> plot, num, line, psym = 1 . ... IDL> plot, num, line, linestyle = 1 . ... Line Style . ... IDL> plot, num, line, linestyle=2, thick=3 . ... IDL> plot, num, line, psym = 8, symsize = 2.0 . ... IDL> plot, num, line, charsize=2.0, title='GHRS spectrum . ... IDL> plot, num, line, charsize=2.0, xcharsize=0.8, xtitle='wavelength' . ...

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• THE GALACTIC EMISSION LINE OBJECT ATLAS
• NICMOS Data Handbook
• Extragalactic Cepheid Distances by Calibrated Period - Luminosity-Color

Next: The Scenario Machine: Operational Up: Evolution of Magnetic Rotators Previous: Ejector-propeller hysteresis . ... The length of this segment is determined by the eccentricity. ... In this case no hysteresis occurs and transitions E -- P and the reverse take place in symmetrical points of the orbit. ... Here EP means a mixed state of the rotator at which it is in the ejector state during one part of the orbit, and in the propeller state during the rest of the orbital cycle. ...

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• Gravitational waves from supernova explosions

... Colours of stars and galaxies hold information on intrinsic and extrinsic parameters, such as stellar temperatures and galaxy populations, selective absorption and colour changes due different dust contents and inclination angles of galaxies, as well as galaxy redshifts and evolution. ... The colour magnitude diagram of 65000 galaxies to which all above-mentioned quantities and others contribute can only be explained by comparison with simulations. ... Colours are also of technical help. ...

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• Stars and Galaxies
• ESO - I want to process MOS data of the same target from different nights
• The remnant of the supernova SN 1006 seen at many different wavelengths | ESO

TUI supports the following offsets: . Object Arc offset by a given amount on the sky (i.e. along the arc of a great circle). ... Arc offsets are useful for moving a different portion of your object or a different nearby object onto the boresight . ... Object Arc XY this is identical to an Object offset except that it has been rotated to align along the instrument x-y axes. ... This is just like the Calibration XY offset, except that it is typically cleared when you slew to a new object. ...

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... Three different techniques for averaging have been introduced. ... The average functions mentioned above will normally produce a result frame whose world coordinates are the intersection of the father frames' world coordinates. ... Averaging statistically consistent values ---   This command differs somewhat from the purely mathematical functions of the previous two commands in the sense that it tries to anticipate some of the astronomical content of the input data frames. ...

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• Determine H0 using a SQL query to LEDA
• Getting the Dispersion Solution
• HyperLEDA documentation: (auxdistance) auxiliary table for distance catalog

... An Orion of a Different Color . ... It is a familiar object though, the grand stellar nursery known as the Orion Nebula . But the striking picture combines images taken through three separate filters, each designed to record different emission lines - light from Sulfur, Oxygen, and Hydrogen atoms glowing in the tenuous nebular gas. At such low densities , Sulfur and Hydrogen atoms emit red colors while Oxygen glows green. ... Publications with keywords: Orion Nebula . ... The Heart Of Orion . ...

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• Астронет > An Orion of a Different Color
• Journal "Peremennye Zvezdy"
• A Colorful Lunar Corona

On Systematic Differences in Individual Solutions and IERS Products Zinovy Malkin Institute of Applied Astronomy RAS, St. Petersburg, Russia 1 Present status Proper determination, modelling, and accounting for systematic differences between contributed series is of the great importance in compilation of the IERS products. ... Possible sources of systematic differences are: Ї Different reference systems (e.g. TRF, CRF, geopotential, time scale). ... 87 IERS Technical Note No. ...

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• RADIOSUN Workshop 2014

. Previous slide . Next slide . Back to first slide . View graphic version .

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• Clearing the library. Note the different floor levels. There were at least 4
• Dark Matter in Spiral Galaxies
• Things are very different for small planets

M. ( / DIAS, Ireland), A. (ISDC, Switzerland) 1 - Key Question Only 3 binary systems regularly observed in TeV: PSR B1259-63 (young pulsar +Be star, P=3.4 y) LSI +61 303 (comp. source + Be star, P=26.42 d) LS 5039 (comp. source + O star, P=3.9 d) Origin of the high-energy emission? ... 2006; Neronov &Chernyakova 2007 4 3.4 years orbital period. e~0.87 Correlated variability with a sharp rise ( "two bumps structure" ) is seen in radio, X-ray (and TeV?) bands. ...

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• General astronomical tools
• Fast search through RTT150 data archive

Next: Image Combination Up: The Individual Approach Previous: Splitting and Imaging . Deconvolution is no different to conventional observing. When restoring, you may wish to use the same restoring beam size for all fields. ... Much of the discussion in the self-calibration section of the `joint approach' applies equally well here. ... If you have split the visibility data into separate single-pointing datasets, you will not need to use options=mosaic (although it will not hurt). ...

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• Some Additional Tools
• Reducing WSRT Data with Miriad
• ATNF Daily Astronomy Picture

Scale-heights of the Galactic disk subsytems with different ages and metallicities . V.Marsakov & Yu. ... It is based on the fact, that all stars cross the disk plane several times during their Galactic orbital period. ... We have used our representative sample of nearby disk F2-G2 stars Marsakov & Shevelev (1995) in which fundamental stellar parameters was determined on the basis of published date on uvby-photometry, proper motion and radial velocities. ... Marsakov V.A., Shevelev Yu.G. Bull. ...

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• F-stars in galactic disk, figures

STScI-PRC99-10 . ... Astronomers have used the NASA Hubble Space Telescope to produce an infrared "photo essay" of spiral galaxies. By penetrating the dust clouds swirling around the centers of these galaxies, the telescope?s infrared vision is offering fresh views of star birth. These six images, taken with the Near Infrared Camera and Multi-Object Spectrometer, showcase different views of spiral galaxies, from a face-on image of an entire galaxy to a close-up of a core. ... Gallery | ...

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• The Arcetri Spectral Code files
• Quasar PG1115+080 And Gravitational Lens- PR-37
• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe