179 citations · 1.1k across the 39 of their papers we have counts for
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astro-ph2002★ 9 cited
Constraining the Cosmological Density of Compact Objects with the Long-Term Variability of Quasars
Erik Zackrisson, Nils Bergvall
By comparing the results from numerical microlensing simulations to the observed long-term variability of quasars, strong upper limits on the cosmological density of compact object…
astro-ph2002★ 6 cited
Massive (?) starburst hosts of blue compact galaxies (BCGs)
N. Bergvall, G. Ostlin
We present optical spectroscopy and deep optical/near-IR photometry of 4 luminous metal-poor blue compact galaxies (BCGs) and two of their companions. With the aid of spectral evol…