Herschel

space telescope

• 3.5m 目前口径最大的空间望远镜
• PACS, the Photodetector Array Camera and Spectrometer, a bolometer array photometer and a photoconductor array imagingspectrometer operating at a wavelenght range between 60 and 210 µm.:70 μm, 160 μm
• SPIRE (Spectral and Photometric Imaging Receiver) - the Spectral and Photometric Imaging Receiver, consisting of a 3-band(250,350,500 µm) imaging photometer and a Imaging Fourier Transform Spectrometer and will operate at wavelengths between 200 and 670 µm.
• HIFI (Heterodyne Instrument for the Far Infrared), a very high resolution heterodyne spectrometer