Showing astro-phShow all
2 papers · 1 filter
astro-ph2004
A possible age-metallicity relation in the Galactic thick disk?
T. Bensby, S. Feltzing, I. Lundstrom
A sample of 229 nearby thick disk stars has been used to investigate the existence of an age-metallicity relation (AMR) in the Galactic thick disk. The results indicate that that t…
astro-ph2003
GRB 030227: the first multiwavelength afterglow of an INTEGRAL GRB
A. J. Castro-Tirado, J. Gorosabel, S. Guziy +39
We present multiwavelength observations of a gamma-ray burst detected by INTEGRAL (GRB 030227) between 5.3 hours and ~1.7 days after the event. Here we report the discovery of a di…