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MWC 314 – A new galactic B[e] supergiant

Published online by Cambridge University Press:  26 May 2016

Anatoly S. Miroshnichenko
Anatoly S. Miroshnichenko*
Affiliation:
Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 196140 Saint-Petersburg, Russia, e-mail:anat@gaoran.spb.su

Extract

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We present a new study of MWC 314 = BD +14°3887 – a poorly investigated object with strong emission lines and IR excesses. Merrill (1927) payed attention to it because of the presence of hydrogen and Fe II emissions in its spectrum. Swensson (1942) also detected interstellar lines H and K CaII and 4430 Å band, Balmer emissions from Hα to H8, NaI 5890 and 5896 Å emissions and estimated its spectral type as gG2-3 or dG4-5 from the SED in continuum, and B2 from the excitation degree. Photospheric lines and spectral features of late-type stars were not observed. Allen (1973) noted that the object's SED corresponds to that of a late-type star but it might be a symbiotic system or a reddened normal star. The IRAS fluxes were obtained only at 12 and 25 μm. The object is unknown as a radio source. From this we can conclude that this system consists of, at least, a hot star surrounded by a gaseous envelope.

Type
6. Be Stars: Circumstellar Environment
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 396 - 397
Copyright
Copyright © Kluwer 1994 

References

Allen, D.A., MNRAS, 1973, 161, 145 Google Scholar
Bergner, Yu.K., Bondarenko, S.L., Miroshnichenko, A.S. et al., Izvestia Glavn. Astron. Obs. v Pulkove, 1988, 205, 142, (in Russian) Google Scholar
Deeming, T.J., Ap&SS, 1975, 36, 137 Google Scholar
Lamers, H.J.G.L.M. and Waters, L.B.F.M., A&A, 1984, 136, 37 Google Scholar
Maeder, A. and Meynet, G., A&A, 1987, 182, 243 Google Scholar
Merrill, P.W., ApJ, 1927, 65, 286 Google Scholar
Pogodin, M.A., Astrofizika, 1986, 24, 491 (in Russian) Google Scholar
Swennson, J.W., ApJ, 1942, 97, 226 Google Scholar
Zickgraf, F.-J., Wolf, B., Stahl, O., Leitherer, C., Appenzeller, I., 1986, A&A, 163, 119 Google Scholar