ER 8 - A very low luminosity degenerate star

Ruiz, M. T.; Maza, J.; Wischnjewsky, M.; Gonzalez, L. E.

Abstract

In a search for faint, high proper motion stars, a very cold (TBB = 3500±100K) degenerate star with a featureless spectra has been found. Its proper motion is μ = 2.128±0.008 arcsec yr-1, and its apparent visual magnitude is mv = 17.2±0.1. Available data suggest that ER 8 is a possible member of the Hyades Supercluster implying a distance d ≤ 4.5 pc, a luminosity L ≤ 5.9×10-6L_sun;, and an age less than 109yr.

Más información

Título de la Revista: The Astrophysical Journal
Volumen: 304
Número: 2
Editorial: IOP Publishing
Fecha de publicación: 1986
Página de inicio: L25
Página final: L28
DOI:

10.1086/184663