Annotation category:
Chapter 3
| Note: |
Spectrum of emission from the region around a young, massive star. The brightness of the source is plotted as a function of frequency. Only upper limits are shown for frequencies above 1012 Hertz. (Wood and Churchwell. 1989, Astrophysics Journal Supplement, 69, 831.)
| Images: |
| Graph limits: example 2 |