报告题目：Strongly lensed high redshift galaxies identified in Herschel wide surveys. Prospects for ALMA observations
报 告 人：Prof. Alain Omont
(Institut d'Astrophysique de Paris)
Research Director at The Centre National de la Recherche Scientifique，France
Former director of IAP and Observatoire de Grenoble
Former member of National Committee of Scientific Programs of CNES
摘 要：The very few early known, strongly lensed high-z sub-mm sources (FIRAS10214, Cloverleaf, APM08279), played a very important role in the development of high-z submm/mm astronomy through pioneer detections of 0.85-1.2mm continuum and CO lines, and various high sensitivity studies allowed by their strong magnification. Herschel wide surveys, which will hopefully observe ~1000 deg², are discovering hundreds of similarly strongly lensed submm galaxies (e.g. Negrello et al. 2010). I will first review the current state of mm/submm follow-up of such Herschel lensed galaxies with IRAM and other facilities, for CO redshift determination, mapping mm continuum and CO lines with interferometers, measuring 1.2mm continuum flux density, etc. I will specially stress the case of the recent detection of H2O at IRAM/PdBI in two such sources at z=2.3 and 3.3 (Omont et al. 2011). These examples give an idea of the numerous studies allowed by strong lensing magnification and the enhanced capabilities of ALMA and IRAM/NOEMA, using this unique sample of hundreds of Herschel high-z lensed galaxies.
时 间：2011年11月4日（星期五）上午10:30
地 点：苏富特 三楼 会议室
欢迎大家参加，提前占座。
南京大学天文与空间科学学院
