Next: The derived luminosity and Up: The galactic population of Previous: The galactic population of . Figure 16: The observed distribution of pulsar dispersion measures. Dotted curve is the total known population, solid curve is the Parkes survey. Figure 17: The observed distribution of pulsar distances above the galactic plane. ... Figure 18: The observed distribution of pulsar flux densities. ...

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• Radio Continuum Measurements of Southern Early-type Stars
• Source size measurement from observed quasar microlensing
• LMC HII Region Luminosities versus Observed Ionizing Stars

Astronomers at Armagh Observatory observed the partial eclipse of the Sun on 29 March under unusually good conditions. ... The images, taken by astronomer Miruna Popescu, shows the eclipse as seen from the Armagh Observatory at around 11:30 (Summer Time) on 29th March, and the way it was observed by astronomer Apostolos Christou with a small portable telescope equipped with a filter to protect against the Sun's dangerous radiation. ... For more images from Armagh see: Miruna Popescu's Pages . ...

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• Armagh Observatory
• Broadening of Si VIII lines observed in the Solar polar coronal holes
• Armagh Observatory Small Asteroids

... 1995, Cycle 5, GO-5847 , PI, 9 orbits. The nuclear disk in the E4 radio galaxy NGC 7052: evidence for a central black hole? ... 1996/97, Cycle 6, GO-6537 , CoI, 8 orbits. ... Nuclear kinematics of the dense globular cluster M15 . ... A Census of Nuclear Star Clusters in Late-Type Spiral Galaxies . ... A Census of Nuclear Star Clusters in Late-Type Spiral Galaxies: II - Spectroscopy and Stellar Populations . ... The Ages of Nuclear Star Clusters in Early-type Spiral Galaxies . ...

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• Change to COS FUV Pulse Height Filtering to Lower the Observed Dark Rate
• A New Database of Observed Spectral Energy Distributions of Nearby Starburst
• Observing Windows [Windows]

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... Science Users Information > Science and Technical Meetings > Conferences 2010 > The Origin and Fate of the Sun: Evolution of Solar-mass Stars Observed with High Angular Resolution . ... Observing Facilities . ... Observing with ESO Telescopes . ... The goal of this workshop is to review recent results on solar-mass stars obtained with infrared and millimeter interferometers, and to discuss their importance for our understanding of stellar evolution from star formation to stellar end products. ...

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• ESO - Observing conditions: definitions
• Homepage of Christian A. Hummel
• Olivier Hainaut

Compilation of cz (radial velocity) measurements . HyperLeda home | Documentation | ... The catalog (table a110 in the database) presents the compilation of redshift of galaxies, z , z = ( - 0 ) / 0 = ( 0 - ) / where and 0 refer the observed and emitted wavelength, and 0 are the observed and emitted frequency. ... For homogeneity of the HyperLEDA, the radial velocity from "radio" convention has to be transferred to redshift using formula cz = V radio / (1 - V radio /c). ... radio measurement . ...

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• Documentation: LEDA: parameter: modz
• Zeiss Gd20 last observed
• Errors in Tired Light Cosmology

The Sun is our nearest star and the source of energy for life on Earth. ... For centuries astronomers wondered whether they were clouds floating in the Sun's atmosphere, but we now know that they really are huge regions of magnetic field, about as intense as the field at the poles of an iron magnet. ... Such abrupt events were named solar flares , and what made them especially interesting was that occasionally, after a prominent flare, a magnetic storm would erupt on Earth. ...

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• Satellites which look down and observe Earth
• Spacecraft Observing the Sun and the Heavens above
• Kuiper-Oort

Альтернативный форум . Scientific.ru Все форумы . ... Time (@) - 13.04.2007 09:15 . Re: Anisotropy in the Hubble constant as observed in the HST Extragalactic Distance Scale Key Project results . x203a; x203a; x203a; в ответ на: Anisotropy in the Hubble constant as observed in the HST Extragalactic Distance Scale Key Project results Котофеич . ... Re: Anisotropy in the Hubble constant as observed in the HST Extragalactic Distance Scale Key Project results Котофеич, 13.04.2007 13:37 . ...

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... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• The Stellar Content and Distance to the Nearby Blue Compact Dwarf Galaxy
• Wavelength dependence
• Extinction properties (transmitted radiation)

We report here on those proposed UIT targets that, in fact, were successfully acquired. ... A1 centered at 2500 angstroms with a width of 1200 angstroms . ... NGC 205 is a low mass dwarf companion to the Andromeda Galaxy . ... This current exposure was 693 seconds through the B5 filter. NGC 2403 is a galaxy very similar to M33 . ... Deep LSB galaxy field The second exposure in the LSB/Deep survey program, with the University of Oregon as the Guest Investigator, was completed. ...

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• Final Cosmological Remarks
• Evidence for Dark Matter
• Foundations of the Big Bang

Next: Radial velocity of the Up: Optical spectrum of IRAS04296 Previous: Observations and spectra reduction . ... However, molecular emission features are only very rarely observed in the optical spectra of PPNe. ... On the other hand, it is well known that cometary nuclei spectra show prominent Swan band emission. In both spectra of IRAS04296 we have discovered strong emission in the (0;0) and (0;1) bands of the Swan system of the molecule. ... Now consider the case of IRAS04296. ...

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• SCORPIO: IFP Gallery
• These galaxies were observed (Project: vortex)
• The spectrograph design and the observing procedure

. First page Back Continue Last page Summary Graphics .

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• Spectral-Line Observing
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• Example Observing Projects

... Home Education Classes AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . ... Classes . AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . AAA Winter Astronomy Class: Measuring Distances in Space тАУ Dec 2015 тАУ Feb 2016 . AAA Spring Astronomy Class: The Physics of Astronomy тАУ February - March 2016 . ... This MonthтАЩs Sky тАУ April 2016 . ... Dec. ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ...

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• Observing-Events ? Amateur Astronomers Association of New York
• Observing ? Amateur Astronomers Association of New York
• Observing Events ? Amateur Astronomers Association of New York

The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...

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• The Scale of the Solar System
• Transits of Venus
• Spacecraft Observing the Sun and the Heavens above

... This year's eclipse is unique in duration. ... Although, at the present time, there are 6 solar observatories belonging to leading space agencies in orbit around the Earth, the eclipse of 22 July, 2009, will only be seen by two of them: the Russian CORONAS-PHOTON satellite equipped with TESIS telescopes and Japan's HINODE satellite fitted with an XRT space telescope. ... TESIS will be the first of the two devices (and the very first on Earth) to witness the solar eclipse. ...

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• TESIS has recorded new sizeable mass ejections from the Sun's atmosphere
• Solar flares online September 09, 2015
• Sunspots and active regions January 10, 2011

... Tonight's Sky . ... The Magazine . ... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... space flight . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Imaging Basics . ... Observing Basics . ... Observing Basics: Distances in Space . ... Expand your observing at Astronomy.com . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter....

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• Web Extra: Astronomers animate one of the largest galaxy clusters ever observed
• What exactly is a degree in terms of the distance between stars? | Astronomy...
• What are typical star-to-star distances in globular clusters compared to

... Posts tagged ?distance measure? ... From arxiv/math.st:0708.0169v1 . Data-Driven Goodness-of-Fit Tests by L. Mikhail . ... ArXiv] Data-Driven Goodness-of-Fit Tests, Aug. ... Tags: consistency , distance measure , distribution , goodness-of-fit test , inverse problem , Neyman type , regularity condition , score . Category: arXiv , Fitting , Uncertainty | 1 Comment . ... Entries RSS . Comments RSS . ... vlk on [MADS] Parallel Coordinates . ... Entries (RSS) and Comments (RSS) . ...

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• Chandra Images for SNR J0453.6-6829
• Chandra Images for SNR J0535.7-6602
• Chandra Images for J0525.4-6559

... Abstract: We present Monte Carlo radiative transfer simulations for spiral galaxies modelled as a stellar disk and a two-phase clumpy dust distribution. ... As a general result, clumpy models are less opaque than the corresponding homogeneous models. ... 0.00 0.15 0.50 0.1 0.5 1.0 2.0 5.0 10.0 0.25 X . ... We have also produced several homogeneous models, to compare to the clumpy models. ... Homogeneous and clumpy models with the same tauV have the same dust mass. ...

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• Cannibal Stars Cause Giant Explosions in Fornax Cluster Galaxy (ESO Press
• CHIANTI atomic database

. F IGURE . 1. The distribution of F stars in our sample from the observed distances from the Sun. Solid curve gives a power-law approximation of the number of stars as a function of the distance within R obs =50 pc and the dashed line is its extrapolation up to 60 pc. The arrow indicates the upper boundary of the domain where the sample is complete. discussion in the text | next figure .

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• Globular clusters with anomalously small masses, figures
• Mid Scales Role
• Subsystems of the Galactic halo, figures

... OOF . ALMA . ... OOF Index . Zernike Polys . GBT example . ... Observed data and analysis . The observed beam maps are shown in the first row of the table below. ... We show the best-fitting aperture and the best-fitting beams as the number of Zernike orders used for the fitting is increased. A sample OOF observed data set (top row) and the results of analysis with increasing number of Zernike polynomials used to parameterise the aperture. ... In-focus beam . ... Observed beams . ...

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• Example of an OOF analysis for the GBT Bojan Nikolic web pages (r. 329)
• Introduction to phase correction for ALMA Bojan Nikolic web pages (r. 329)
• Astrophysics Group COAST Astronomical Results