Herschel SPIRE Spectroscopy of Protoplanetary Disks

PPDISKS observed 14 protoplanetary disks using the Herschel SPIRE Fourier Transform Spectrometer, covering the entire 450-1540 GHz (666-195 micron) frequency range.PPDISKS采用赫歇尔SPIRE傅里叶变换光谱仪（Herschel SPIRE Fourier Transform Spectrometer）对14个原行星盘开展观测，覆盖了450–1540 GHz（666–195微米）的全频段范围。