Hostname: page-component-cd9895bd7-fscjk Total loading time: 0 Render date: 2024-12-26T05:12:01.019Z Has data issue: false hasContentIssue false
  • English
  • Français

Ring Nebulae Associated with Wolf-Rayet Stars

Published online by Cambridge University Press:  14 August 2015

Y.-H. Chu
Y.-H. Chu*
Affiliation:
Astronomy Department, University of California, Berkeley Dept. of Astronomy, Univ. of Illinois at Urbana-Champaign

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Using strict selection criteria, we have searched for ring nebulae associated with Wolf-Rayet stars in the Galaxy and the Magellanic Clouds. In our search, 15 WR ring nebulae are identified in the Galaxy (Chu 1981a; Chu 1981b, Paper G1), 9 in the Large Magellanic Cloud, and none in the Small Magellanic Cloud (Chu and Lasker 1980, Paper LI; Chu 1981a). We have subsequently observed the morphology and kinematics of these 24 nebulae to study their nature. The data and analyses are reported in G (galactic) and L (LMC) series of papers. These nebulae and their references are listed in Table 1. This table is nearly, but not quite, complete. An extremely careful search might result in more cases, e.g., NGC6357 (Lortet et al. 1981). In a later search by Heckathorn et al. (1982), more ring nebulae are suggested; however, only three cases (associated with HD92740, HD187282, and HD211564) are more convincing. We have obtained some data for these nebulae and will discuss them in a conclusion paper of the galactic series (Chu et al. 1982, Paper G8).

Type
SESSION 6 — LOW MASS WOLF-RAYET STARS RING NEBULAE
Information
Symposium - International Astronomical Union , Volume 99: Wolf-Rayet Stars: Observations, Physics, Evolution , 1982 , pp. 469 - 472
Copyright
Copyright © Reidel 1982 

References

Chu, Y.H. 1981a, dissertation, University of California, Berkeley.Google Scholar
Chu, Y.H. 1981b, Ap. J., 249, 195. (Paper G1).Google Scholar
Chu, Y.H. 1982a, Ap. J., 254, in press. (Paper G6).Google Scholar
Chu, Y.H. 1982b, Ap. J., 255, in press. (Paper L2).CrossRefGoogle Scholar
Chu, Y.H. 1982c, in preparation. (Paper L3).Google Scholar
Chu, Y.H., Gull, T.R., Treffers, R.R., Kwitter, K.B., and Troland, T.H. 1982, Ap. J., 254, in press. (Paper G4).Google Scholar
Chu, Y.H. and Treffers, R.R. 1981a, Ap. J., 249, 586. (Paper G2).Google Scholar
Chu, Y.H. and Treffers, R.R. 1981b, Ap. J., 250, 615. (Paper G3).Google Scholar
Chu, Y.H., Treffers, R.R., and Kwitter, K.B. 1982, in preparation. (Paper G8).Google Scholar
Heckathorn, J.N., Bruhweiler, F.C., and Gull, T.R. 1982, Ap. J., 251, in press.Google Scholar
Lortet, M.C., Niemela, V., and Testor, G. 1981, in this volume.Google Scholar
McKee, C.F. and Ostriker, J.P. 1977, Ap. J., 218, 148.Google Scholar
Treffers, R.R. and Chu, Y.H. 1982a, Ap. J., 253, in press. (Paper G5).Google Scholar
Treffers, R.R. and Chu, Y.H. 1982b, Ap. J., 254, in press. (Paper G7).Google Scholar