46P/Wirtanen (2018 passage)

  • ephemeris
  • Display observing conditions.

    Individual and sum spectra

  • table
  • figure 1 -- figure 1 (PS)
  • figure 2 -- figure 2 (PS)
  • figure 3 -- figure 3 (PS)
  • figure 4 -- figure 4 (PS)
  • figure 5 -- figure 5 (PS)
  • figure 6 -- figure 6 (PS)
  • figure 7 -- figure 7 (PS)
  • figure 8 -- figure 8 (PS)
  • figure 9 -- figure 9 (PS)
  • figure 10 -- figure 10 (PS)
  • figure 11 -- figure 11 (PS)
  • figure 12 -- figure 12 (PS)
  • figure 13 -- figure 13 (PS)
  • figure 14 -- figure 14 (PS)

    Notes

  • Perihelion on 12 December 2018 at q = 1.055 au.
  • Close approach to Earth at 0.08 au on 16 December 2018.
  • Galactic plane crossing on 22 December 2018 at l = 164°.
  • From 12 November to 1 December 2018, and 3 to 9 January 2019 observations were made with the high frequency receiver.
  • From 3 to 7 January 2019, 3 mirrors out of 10 were out of service.
  • Biver et al., 2021, A&A 648, A49.