Star formation in low density HI gas around the elliptical galaxy NGC 2865F. Urrutia-Viscarra, S. Torres-Flores, C. Mendes de Oliveira, E. R. Carrasco, D. de Mello and M. ArnaboldiA&A, 606 (2017) A77DOI: https://doi.org/10.1051/0004-6361/201731032