The Compton-thick Seyfert 2 Nucleus of NGC 3281: Torus Constraints from the 9.7 μm Silicate Absorption

Year-Month2011-09
JournalThe Astrophysical Journal
AuthorSales, D. A., Pastoriza, M. G., Riffel, R., Winge, C., Rodríguez-Ardila, A., and Carciofi, A. C.
Bibcode2011ApJ...738..109S
TelescopeGS
InstrumentTRECS
ParticipantBR
First author participant affiliationBrazil
Any author participant affiliationsChile/Brazil
Program IDGS-2009A-Q-34
Gemini Observatory Participants