Abstract
The 1665 MHz OH maser emission from S269 (a.k.a. PP59) is variable on year-like time scales by factors as great as 26,000%. There is no obvious correlation between the light curves of individual spectral features and their relative positions in the maser region. These results suggest that some OH masers have short lifetimes (<2 yr), and that caution must be exercised when using OH maser variability to study interstellar refraction effects over long time scales.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
Clegg, A. W., & Cordes, J. M. 1991, ApJ, 374,150
Israel, F. P. 1976, A&A, 52,175
Turner, K. C., & Terzian, Y. 1985, AJ, 90,59
Wynn-Williams, C. G., Becklin, E. E., & Neugebauer, G. 1974, ApJ, 187, 473
Author information
Authors and Affiliations
Editor information
Rights and permissions
Copyright information
© 1993 Springer-Verlag
About this paper
Cite this paper
Clegg, A.W. (1993). Time-variable OH emission from S269. In: Clegg, A.W., Nedoluha, G.E. (eds) Astrophysical Masers. Lecture Notes in Physics, vol 412. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-56343-1_261
Download citation
DOI: https://doi.org/10.1007/3-540-56343-1_261
Published:
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-56343-3
Online ISBN: 978-3-540-47536-1
eBook Packages: Springer Book Archive