spectro-aras.com

Hi all,

I've been occupied following ksi Tauri, a quadruple system with periods 7.15d, 145d and some 51y.
Cheers

Voici un spectre pris lors l'outburst de SS Cyg en 2010, avec Lhires3 1200l/mm. C'est bien sûr d'interêt mérement academique.

An interesting monograph on neutron stars:

http://arxiv.org/PS_cache/arxiv/pdf/111 ... 1158v1.pdf

Her one can find a good WR star catalog:

http://pacrowther.staff.shef.ac.uk/WRcat/

I have enjoyed looking at the sky since my childhood. I cherish the recollection of those many precious moments watching the nightfall that I and my maternal grandfather shared by the door-still of his house , near the field of the big sunflowers, in the surroundings of Grandola. Back then the sky w...