Results 11 to 20 of about 245,319 (342)

Optimal Redshift Weighting For Redshift Space Distortions [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2016
The low statistical errors on cosmological parameters promised by future galaxy surveys will only be realised with the development of new, fast, analysis methods that reduce potential systematic problems to low levels.
Gil-Marín, Héctor   +5 more
core   +9 more sources

High-Redshift Cosmography [PDF]

open access: yesJournal of Cosmology and Astroparticle Physics, 2010
We constrain the parameters describing the kinematical state of the universe using a cosmographic approach, which is fundamental in that it requires a very minimal set of assumptions (namely to specify a metric) and does not rely on the dynamical ...
  +20 more
core   +8 more sources

On estimating redshift and luminosity distributions in photometric redshift surveys [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2007
The luminosity functions of galaxies and quasars provide invaluable information about galaxy and quasar formation. Estimating the luminosity function from magnitude limited samples is relatively straightforward, provided that the distances to the objects
Sheth, Ravi K.
core   +7 more sources

Puzzlement about thermal redshift [PDF]

open access: yesPhysics Letters A, 1997
Discussed is the classical theoretical description of the experimentally established thermal redshift of spectral lines. Straightforward calculation of the observable spectrum from a canonical ensamble of monochromatic radiators yileds overall blueshift ...
Blatter   +21 more
core   +3 more sources

Non-cosmological redshifts [PDF]

open access: bronzeSpace Science Reviews, 1977
L’introduction de lignes d’univers brisées dans la théorie de la gravitation de Hoyle et Narlikar permet de rendre compte de la création de matière. Cette matière qui se compose de masses inertielles plus petites se manifeste par des décalages spectraux vers le rouge anormaux.
J. V. Narlikar
openalex   +4 more sources

The 2dF Galaxy Redshift Survey: spectra and redshifts [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2001
The 2dF Galaxy Redshift Survey (2dFGRS) is designed to measure redshifts for approximately 250 000 galaxies. This paper describes the survey design, the spectroscopic observations, the redshift measurements and the survey data base. The 2dFGRS uses the 2dF multifibre spectrograph on the Anglo-Australian Telescope, which is capable of observing 400 ...
Colless, Matthew   +29 more
openaire   +5 more sources

On the gravitational redshift [PDF]

open access: yesNew Astronomy, 2014
The study of the gravitational redshift\,---\,a relative wavelength increase of $\approx 2 \times 10^{-6}$ was predicted for solar radiation by Einstein in 1908\,---\,is still an important subject in modern physics. In a dispute whether or not atom interferometry experiments can be employed for gravitational redshift measurements, two research teams ...
Klaus Wilhelm, Bhola N. Dwivedi
openaire   +3 more sources

Measurement methods for gamma-ray bursts redshifts

open access: yesFrontiers in Astronomy and Space Sciences, 2023
In the era of multi-messenger astronomy, gamma-ray bursts (GRBs) with known redshifts, especially high-redshift GRBs, are a powerful tool for studying the structure and evolution of the early Universe.
Mengci Li   +14 more
doaj   +1 more source

Coelenterazine Indicators for the Specific Imaging of Human and Bovine Serum Albumins

open access: yesSensors, 2023
Albumin assays in serum are important for the prognostic assessment of many life-threatening diseases, such as heart failure, liver disease, malnutrition, inflammatory bowel disease, infections, and kidney disease. In this study, synthetic coelenterazine
Sung-Bae Kim   +4 more
doaj   +1 more source

BLAST: THE REDSHIFT SURVEY [PDF]

open access: yesThe Astrophysical Journal, 2009
Accepted for publication in the Astrophysical Journal. Maps and associated results are available at http://blastexperiment.info/
Eales, Stephen   +18 more
openaire   +7 more sources

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