Preliminary results on the Extinction and Night Sky Background in UBV on La Silla and ALMA site

E. Giraud (1) , G. Vasileiadis (1) , P. Valvin (2) , I. Toledo

1 LPTA - Laboratoire de Physique Théorique et Astroparticules
2 GES - Groupe d'étude des semiconducteurs

We report on measurements of the extinction in the U, B & V bands and of the NSB (Night Sky Background) during 2 dark periods on La Silla Observatory and at 4000-5000m on the ALMA site using an UV optimized 25 cm portable telescope.

Domaines: Cosmologie et astrophysique extra-galactique [astro-ph.CO]; Astrophysique [astro-ph]

E. Giraud, G. Vasileiadis, P. Valvin, I. Toledo. Preliminary results on the Extinction and Night Sky Background in UBV on La Silla and ALMA site. 2007. ⟨in2p3-00148941⟩