NGC 7026 explained

NGC 7026 is a planetary nebula located 6000 light-years away, in the constellation of Cygnus. The central star of the planetary nebula has a spectral type of [WO3], indicating a spectrum similar to that of an oxygen-rich Wolf–Rayet star.[1] An analysis of Gaia data suggests that it is a binary system.[2]

Notes and References

  1. 10.1051/0004-6361/202141916. Planetary nebulae in Gaia EDR3: Central star identification, properties, and binarity. 2021. González-Santamaría. I.. Manteiga. M.. Manchado. A.. Ulla. A.. Dafonte. C.. López Varela. P.. Astronomy & Astrophysics. 656. A51. 2109.12114. 2021A&A...656A..51G. 237940344.
  2. 10.1051/0004-6361/202140288. Towards a more complete sample of binary central stars of planetary nebulae with Gaia. 2021. Chornay. N.. Walton. N. A.. Jones. D.. Boffin. H. M. J.. Rejkuba. M.. Wesson. R.. Astronomy & Astrophysics. 648. A95. 2101.01800. 2021A&A...648A..95C. 230770301.

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