Spitzer
instruments
- IRAC
- 测光，(3.6 µm, 4.5 µm, 5.8 µm and 8 µm)，在2009之后，还有最短的两个能用
- IRS
- 光谱仪器：four sub-modules which operate at the wavelengths 5.3–14 µm (low resolution), 10–19.5 µm (high resolution), 14–40 µm (low resolution), and 19–37 µm (high resolution).
- MIPS
- (Multiband Imaging Photometer for Spitzer), 远红外：24 µm, 70 µm, 160 µm