Erratum: ``Internal Kinematics of the Fornax Dwarf Spheroidal Galaxy'' (AJ, 131, 2114 [2006])

Details Erratum: ``Internal Kinematics of the Fornax Dwarf Spheroidal Galaxy'' (AJ, 131, 2114 [2006]) Erratum: ``Internal Kinematics of the Fornax Dwarf Spheroidal Galaxy'' (AJ, 131, 2114 [2006])

Aug 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aj....132..968w&link_type=abstract

The Astronomical Journal, Volume 132, Issue 2, pp. 968-968.

Astronomy and Astrophysics

Astronomy

Scientific paper

On publication of this work it was discovered that repeat observations of four stars were listed in Table 1 under unique stellar IDs. The stars F1-5, F1-13, F1-15, and F1-24 have repeat measurements listed under the names F22-1, F7-4, F7-2, and F2-9, respectively. The affected rows in Table 3, giving the weighted mean radial velocity, formal uncertainty, χ2, and p(χ2) after combining these repeat measurements, are shown below. Based on the repeat measurements, two of these stars, F1-13 and F1-24, are binary star candidates. The three levels of Fornax membership rejection considered in this work now correspond to samples of size N=172, 178, and 182. We have verified that our scientific conclusions are unchanged. The global velocity dispersions estimated from these three samples are 11.2+/-0.7, 12.5+/-0.7, and 13.5+/-0.7 km s-1, respectively; these differ from the reported values by less than 0.2 km s-1. For velocity dispersion profiles, values calculated within all bins differ from plotted values by less than 0.3 km s-1, and most are identical. Apparent rotation signals are not affected.
We thank Ewa Łokas for bringing this matter to our attention.

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