Wolf-Rayet Stars in Open Clusters and Associations

@inproceedings{Lundstrm1982WolfRayetSI,
  title={Wolf-Rayet Stars in Open Clusters and Associations},
  author={I. Lundstr{\"o}m and B. Stenholm},
  year={1982}
}
We have made a search for line-of-sight coincidences between WR stars and open clusters using the new catalogue of galactic WR stars (van der Hucht et al., 1981, called the HCLS catalogue) and the catalogue of open cluster data (Lynga and Lundstrom, 1980). As a measure of the separation we used the angular distance between the WR star and the cluster centre expressed with the cluster angular radius, r’, as unit. 
The Massive Star Distribution in the Galaxy and the Magellanic Clouds
The numbers and distribution of Population I O-type stars and Wolf-Rayet stars are reviewed. The numbers of known WR stars in the Galaxy, the LMC and the SMC are 185, 114, and 9, respectively.Expand
Binary Wolf-Rayet Stars
The distribution of the WR cluster members is interpreted in terms of their association with the galactic spiral-arm pattern. It is suggested that in a limited volume the number fraction of WRExpand
Unstable objects in the galaxy and the star-formation process
Using observational data, we consider the problem of instability of astronomical objects and systems of objects and its close connection with the star-formation process. We show that it is only dueExpand
A dusty pinwheel nebula around the massive star WR104
Wolf-Rayet (WR) stars are luminous, massive blue stars thought to be the immediate precursors to some supernovae. The existence of dust shells around such stars has been enigmatic since theirExpand
Observed features of a two-phase stellar wind from WR 136 in the vicinity of NGC 6888
A number of features are detected outside the nebula NGC 6888, within 1.2° (30 pc) of the star WR 136, which can be explained in a two-phase stellar-wind model. These include regions with fineExpand
Streaming motions of molecular clouds, ionized hydrogen, and OB stars in the Cygnus arm
The radial velocity fields of molecular clouds, OB stars, and ionized hydrogen in the Cygnus arm (l ∼ 72°–8°) are analyzed. A gradientΔVLSR/Δlin the mean line-of-sight velocities of molecular cloudsExpand
The Milky Way and its Bright Nebulae
The Great Sagittarius Star Cloud, north of Gamma (γ) and Delta (δ) Sagittarii, is the brightest of all the Milky Way star clouds. It is so bright because it is a section of our Galaxy’s central bulgeExpand
WR 38/38a and the ratio of total-to-selective extinction in Carina
A reanalysis of the (seemingly very distant) open cluster Shorlin 1, the group of stars associated with WR 38 and WR 38a, is made on the basis of existing UBV and JHKs observations for clusterExpand
Massive close binaries: Observations and evolutionary computations
Article de synthese sur les binaires serrees massives portant sur les observations, les processus physiques, les taux de perte de masse des vents stellaires, le surjaillissement convectif, lesExpand

References

SHOWING 1-2 OF 2 REFERENCES
The Sixth Catalogue of galactic Wolf-Rayet stars, their past and present
This paper presents the Sixth Catalogue of galactic Wolf-Rayet stars (Pop. I), a short history on the five earlier WR catalogues, improved spectral classification, finding charts, a discussion onExpand