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U. Porto

3 papers hereh-index 272.5k citations217 works total

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fields
  • astro-ph2
  • astro-ph.SR1

identity via Semantic Scholar / OpenAlex

activity
20042012
most citedTMCalc - A fast code to derive Teff and [Fe/H] for FGK stars

9 citations · 9 across the 1 of their papers we have counts for

collaborators

3 papers

astro-ph.SR2012★ 9 cited

TMCalc - A fast code to derive Teff and [Fe/H] for FGK stars

Sérgio G. Sousa, Nuno C. Santos, Garik Israelian

We present a new direct spectroscopic calibration for a fast estimation of the stellar metallicity [Fe/H]. These calibrations were computed using a large sample of 451 solar-type s…

astro-ph2005

The 2dF QSO Redshift Survey - XV. Correlation analysis of redshift-Space distortions

J. da Angela, P. J. Outram, T. Shanks +6

We analyse the redshift-space (z-space) distortions of QSO clustering in the 2dF QSO Redshift Survey (2QZ). To interpret the z-space correlation function, xi(sigma,pi), we require…

astro-ph2004

Small-scale anisotropy and intermittency in high and low-latitude solar wind

A. Bigazzi, L. Biferale, S. M. A. Gama +1

We analyze low and high--latitude fast solar wind data from the Ulysses spacecraft from 1992 to 1994 using a a systematic method to analyse the anisotropic content of the magnetic…

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