Fig. 3: Presolar SiC grains.
From: History of individual presolar SiC grains revealed by stellar winds
a–c A3-01a (yellow arrow) and A3-01b (blue arrow). d–f A3-02 (yellow arrow) and A3-03 (blue arrow). g–i A3-04 (yellow arrow), A3-05 (blue arrow), A3-06 (red arrow), A3-07 (pink arrow). j–l A3-09a (yellow arrow), and A3-09b (blue arrow). (m-o) A3-10. p–r A3-11. a, d, g, j, p SE image after measurement. b, e, h, k, q) Integrated 28Si image for total measurement depth layers. (c, f, i, l, r) Integrated 4He image for total measurement depth layers. Yellow rectangles show analyzing areas of depth-profiling. Scale bar is 3 µm for all figures.
