4 papers
X/gamma-ray measurements of the faint GRB 020321
J. J. M. in 't Zand, L. Kuiper, J. Heise +10
GRB 020321 is a faint GRB that received wide follow-up attention in X-rays (BeppoSAX/NFI, Chandra/ACIS-S, XMM-Newton), radio (ATCA) and optical (ESO, HST). We identify a weak X-ray…
The starburst-AGN of NGC1808 observed with XMM-Newton
E. Jimenez-Bailon, M. Santos-Lleo, M. Dahlem +3
NGC1808 is a nearby spiral galaxy that harbours an active central region with an extent of 20 arcsec (i.e. 1 kpc). Previous X-ray and optical/NIR observations have provided convinc…
Monitoring of the optical and 2.5-11.7 micron spectrum and mid-IR imaging of the Seyfert 1 galaxy Mrk279 with ISO
The AGN Watch collaboration, M. Santos-Lleo, J. Clavel +19
Mid-infrared images of the Seyfert 1 galaxy Mrk 279 obtained with the ISO satellite are presented together with the results of a one-year monitoring campaign of the 2.5-11.7 micron…
The broad line region of narrow-line Seyfert 1 galaxies
Pedro M. Rodriguez-Pascual, J. Miguel Mas-Hesse, Maria Santos-Lleo
We have analyzed new and archival IUE observations of narrow-line Seyfert 1 galaxies (NLS1) in order to revise the ultraviolet (UV) properties of this sub-group of Active Galactic…