Image Details
Caption: Fig. 3.
Follow‐up spectra of M31B‐2007‐06b taken with the LRS on the HET (upper spectrum: ~1 week after eruption; lower spectrum: ~5 weeks after eruption). As the nova fades, note the increasing contamination by light from the globular cluster Bol 111, resulting in Balmer and Mg b absorption features.
© 2007. The American Astronomical Society. All rights reserved. Printed in U.S.A.