Astrophysics and Space Science

, Volume 1, Issue 1, pp 68–73 | Cite as

Fabry-Pérot observations of the Rosette Nebula

  • Malcolm G. Smith


The results of observations of the Rosette Nebula using the equipment described byMeaburn andSmith (1968) and the reduction procedures outlined inSmith andWalker (1968) are reported. The results and conclusions differ markedly from an earlier report (Flynn, 1965), of detailed radial-velocity observations of this nebula. The peak positions of the Hα-line profiles have now been shown not to vary greatly. The mean of 37 measurements at different points gives, for the heliocentric velocity of the Rosette nebula, +35±5 km sec−1. The widths of the lines are consistent with a model of randomly directed streaming motions of order 15 to 25 km sec−1.


Early Report Peak Position Reduction Procedure Heliocentric Velocity Streaming Motion 
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Copyright information

© D. Reidel Publishing Company 1968

Authors and Affiliations

  • Malcolm G. Smith
    • 1
  1. 1.Dept. of AstronomyUniversity of ManchesterManchesterUK

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