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| Content Provider | Springer Nature Link |
|---|---|
| Author | Frolov, V. H. Ananjevskaja, Yu. K. |
| Copyright Year | 2007 |
| Abstract | Based on our own observational data, we have constructed the mass functions for three young-and intermediate-age Galactic star clusters, Trumpler 2, NGC 7243, and NGC 1513. Their mean slopes Γ fall within the Scalo range: Γ = −1.7 ± 0.5 for 1M $_{⊙}$ < M < 10M $_{⊙}$. For each of the clusters, we also analyze the mass distribution of their members as a function of the distance to the center. Noticeable mass segregation in the sense of massive-star concentration toward the cluster center has been detected in Trumpler 2 and NGC 7243. Deviations from rectilinearity in the same direction are observed at log M ≈ 0.41 in each of the three zones of Trumpler 2, which can be interpreted as a small dip in the mass function. We have found peculiarities in NGC 1513 that are difficult to explain by observational selection alone. Comparison of our results with similar studies reveals a similarity in radial Γ distribution for NGC 7243 with h Per and for Trumpler 2 with IC 1805. |
| Starting Page | 649 |
| Ending Page | 655 |
| Page Count | 7 |
| File Format | |
| ISSN | 10637737 |
| Journal | Astronomy Letters |
| Volume Number | 33 |
| Issue Number | 10 |
| e-ISSN | 15626873 |
| Language | English |
| Publisher | Nauka/Interperiodica |
| Publisher Date | 2007-01-01 |
| Publisher Place | Moscow |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | mass function—open star clustersk: NGC 7243 Trumpler 2 NGC 1513 Astronomy Astrophysics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Astronomy and Astrophysics Space and Planetary Science |
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