Luminosity

Results: 382



#Item
311Astrometry / Standard candles / Cepheid variables / Variable stars / Cosmic distance ladder / Star / Binary star / White dwarf / Nova / Astronomy / Star types / Space

Although most stars in the sky, like our Sun, appear to shine steadily, there are classes of stars whose luminosity, or brightn

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Source URL: genesismission.jpl.nasa.gov

Language: English - Date: 2005-11-30 08:19:10
312Regression analysis / Measurement / Least squares / Errors and residuals in statistics / Luminosity / Consistent estimator / Bias of an estimator / Mean squared error / Statistics / Statistical theory / Estimation theory

Supporting Information Xi Chen and William Nordhaus, Using luminosity data as a proxy for economic statistics March 26, 2011 Contents I.

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Source URL: www.econ.yale.edu

Language: English - Date: 2011-10-19 10:51:26
313Measurement / Luminosity / Gross domestic product / Cosmic distance ladder / Measures of national income and output / Economic data / Penn World Table / Dynamic random-access memory / Lighting / National accounts / Statistics / Physics

Using luminosity data as a proxy for economic statistics Xi Chena,b,1 and William D. Nordhausa,1 a Department of Economics, Yale University, New Haven, CT 06520; and bDepartment of Sociology, Quinnipiac University, Hamd

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Source URL: www.econ.yale.edu

Language: English - Date: 2011-10-19 10:51:29
314Photometry / Lighting / Astrophysics / Cosmic distance ladder / Physical cosmology / Apparent magnitude / Luminosity / Star / Variable star / Physics / Astronomy / Observational astronomy

The Inverse Square Law of Light The relationship between distance and brightness, and how astronomers measure distances to far away objects Image Credit: Splung.com

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Source URL: www.nasa.gov

Language: English - Date: 2013-04-30 20:30:30
315Physics / Physical cosmology / X-ray astronomy / Plasma physics / Astronomical surveys / Active galactic nucleus / Redshift / Photometric redshift / Quasar / Astronomy / Observational astronomy / Space

The Astrophysical Journal, 679:118Y139, 2008 May 20 # 2008. The American Astronomical Society. All rights reserved. Printed in U.S.A. THE LUMINOSITY FUNCTION OF X-RAYYSELECTED ACTIVE GALACTIC NUCLEI: EVOLUTION OF SUPERMA

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Source URL: hea-www.cfa.harvard.edu

Language: English - Date: 2010-10-13 15:27:12
316José Gabriel Funes / George Coyne

Reports n being the hydrogen density and L the ionizing luminosity between 13.6 eV and 13.6 keV. The density can be obtained from density-sensitive UV lines or by measuring the recombination time scale trec~1/n by monito

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Source URL: hubblesite.org

Language: English - Date: 2014-06-19 14:23:43
317Science / Large Hadron Collider / Dimension / Integrated circuit / Luminosity / Physics / Measurement / E-Science

Massively Parallel Processing Pattern Recognition in Extra Dimension Innovation to go far beyond Moore’s Law for future triggering at high luminosity LHC Thomas Klonowski Fermi National Accelerator Laboratory

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Source URL: quarknet.fnal.gov

Language: English - Date: 2012-08-06 19:22:16
318Astrophysics / Physical cosmology / Astrometry / Standard candles / Luminosity / Star / Cosmic distance ladder / Physics / Astronomy / Stellar astronomy

Design Reference Mission Case Study Stratospheric Observatory for Infrared Astronomy Science Steering Committee The Protostellar Luminosity Function Program contacts: Scientific category:

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Source URL: www.sofia.usra.edu

Language: English - Date: 2009-06-08 14:04:50
319Compact Linear Collider / Large Hadron Collider / Collider / Storage ring / KEK / Interaction point / Synchrotron / Hadron Elektron Ring Anlage / ATLAS experiment / Physics / Particle physics / Particle accelerators

28. Accelerator physics of colliders[removed]ACCELERATOR PHYSICS OF COLLIDERS Revised August 2013 by M.J. Syphers (MSU) and F. Zimmermann (CERN[removed]Luminosity

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Source URL: pdg.lbl.gov

Language: English - Date: 2013-12-18 14:56:15
320Astrophysics / Stellar evolution / Dark matter / Star types / X-ray astronomy / White dwarf / Super soft X-ray source / Type Ia supernova / Eddington luminosity / Astronomy / Physics / Matter

How multi-wavelength studies help to uncover the nature of Super-luminous super-soft X-ray sources in external galaxies Jifeng Liu (CfA)

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Source URL: cxc.harvard.edu

Language: English - Date: 2011-08-24 10:41:04
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