BoRG collaborator Rychard Bouwens (Leiden University) has been awarded up to 25.8 hours of priority 1 observing time with Spitzer/IRAC to follow-up BoRG sources! Spitzer/IRAC will provide the much needed IR observations to distinguish between the true z ~ 9…
BoRG@Keck: Witnessing reionization in progress
BoRG CoI Tommaso Treu led a spectroscopic follow-up of 13 BoRG z~8 galaxies to search for Ly-$$\alpha$$ emission. The results have been published in the Astrophysical Journal. The lack of Ly-$$\alpha$$ detection to a faint flux (median sensitivity of 25$$\mathring{A}$$…
Exciting follow-up campaign in 2013
Four Keck nights and 12h at VLT