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F07164+5301: an ESB source with WR features

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We report on a new ESB source, as defined by Allenet al. (1991), with Wolf-Rayet (WR) bands in its optical spectrum. The WR bump at λλ4605-4686 is detected. The bump consists of broad HeII λ4686, NVλλ4605-4619, NIIIλλ4634-41, and possibly, CIIIλλ4647-52 emission. The narrow nebular lines are clearly discernable on our spectrum. The number of WR stars derived from the luminosity of HeIIλ4686 is about 8100. The oxygen abundance is about 9.06×10−4, greater than the solar value.

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Huang, J., Gu, Q., Su, H. et al. F07164+5301: an ESB source with WR features. Astrophys Space Sci 235, 109–116 (1996). https://doi.org/10.1007/BF00643594

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  • Oxygen
  • Optical Spectrum
  • Oxygen Abundance
  • Nebular Line