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A Giant Stellar-Wind Shell and Star Formation Near the H II Region M16

Published online by Cambridge University Press:  04 August 2017

Y. Sofue ,
T. Handa ,
E. Fürst ,
W. Reich  and
P. Reich
Y. Sofue
Affiliation:
Nobeyama Radio Observatory, Minamisaku-Nagano, 384-13, Japan
T. Handa
Affiliation:
Nobeyama Radio Observatory, Minamisaku-Nagano, 384-13, Japan
E. Fürst
Affiliation:
MPIfR, Auf dem Hügel 69, D-5300 Bonn 1, Federal Republic of Germany
W. Reich
Affiliation:
MPIfR, Auf dem Hügel 69, D-5300 Bonn 1, Federal Republic of Germany
P. Reich
Affiliation:
MPIfR, Auf dem Hügel 69, D-5300 Bonn 1, Federal Republic of Germany

Extract

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A large radio continuum loop of diameter was discovered at G16.5+0.7 on the Bonn 2.7 GHz and NRO 10 GHz galactic plane surveys. The loop is associated with the H II region M16, and the diameter is 60 pc at a distance of 2.8 kpc. Figure 1 shows the loop at 2.7 GHz in gray scale. The spectrum is thermal and the total H II mass is estimated at 3×103 M⊙. If the loop is due to a shell of the same diameter, the mean electron density on the shell is about 4 cm−3. The total thermal energy is about 6×1048ergs. The characteristics are summarized in Table 1.

Type
I. Star Forming Processes in the Solar Neighborhood
Information
Symposium - International Astronomical Union , Volume 115: Star Forming Regions , 1987 , pp. 194 - 196
Copyright
Copyright © Reidel 1987 

References

Sofue, Y., Handa, T., Fürst, E., Reich, W., and Reich, P.: 1968, Publ. Astron. Soc. Japan, in press.Google Scholar
Tomisaka, K., Habe, A., and Ikeuchi, S.: 1981, Astrophys. Sp. Sci. 78, 273.Google Scholar