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| Query : 2003MNRAS.345.1205L |
2003MNRAS.345.1205L - Mon. Not. R. Astron. Soc., 345, 1205-1211 (2003/November-2)
Mass segregation in the young open cluster NGC 2547.
LITTLEFAIR S.P., NAYLOR T., JEFFRIES R.D., DEVEY C.R. and VINE S.
Abstract (from CDS):
We present a study of mass segregation of the young (20-35 Myr isochronal age) open cluster NGC 2547. We find good evidence that mass segregation exists in NGC 2547 down to 3 M☉, and weak evidence for mass segregation down to 1 M☉. Theoretical models of an initially unsegregated model of NGC 2547 using the nbody2 code show weaker mass segregation, implying that at least some of the observed mass segregation has a primordial origin. We also report the discovery of three possible escaped cluster members, which share the proper motion and colours of the cluster, but lie nearly a degree from the cluster centre.
Abstract Copyright: 2003 RAS
Journal keyword(s): stars: formation - stars: pre-main-sequence - open clusters and associations: individual: NGC 2547
Simbad objects: 15
| Number of rows : 15 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Cl Melotte 22 | OpC | 03 46 38.0 | +24 10 41 | ~ | 3679 | 0 | |||||
| 2 | NAME Orion Nebula Cluster | OpC | 05 35.0 | -05 29 | ~ | 2514 | 0 | |||||
| 3 | M 42 | HII | 05 35 16.8 | -05 23 15 | ~ | 4411 | 0 | |||||
| 4 | NAME Ori A | MoC | 05 38 | -07.1 | ~ | 3187 | 0 | |||||
| 5 | NGC 2024 | Cl* | 05 41 43 | -01 50.5 | ~ | 1198 | 1 | |||||
| 6 | NGC 2071 | RNe | 05 47 10 | +00 18.0 | ~ | 661 | 1 | |||||
| 7 | NAME Mon R2 | HII | 06 07 47.58 | -06 22 42.6 | ~ | 789 | 2 | |||||
| 8 | NGC 2516 | OpC | 07 58 00.5 | -60 46 36 | ~ | 793 | 0 | |||||
| 9 | V* KW Vel | a2* | 08 08 41.6077338984 | -49 29 50.021182608 | 8.13 | 8.23 | ApSi | 60 | 0 | |||
| 10 | NGC 2547 | OpC | 08 10 01.5 | -49 12 08 | ~ | 445 | 0 | |||||
| 11 | HD 69282 | * | 08 14 08.8886600664 | -49 14 03.968568564 | 8.14 | 8.22 | B8V | 27 | 0 | |||
| 12 | HD 69428 | * | 08 14 42.4463213304 | -49 58 59.573804808 | 8.86 | 8.85 | B9V | 22 | 0 | |||
| 13 | HD 69514 | * | 08 15 15.6700392216 | -49 10 48.584121852 | 7.99 | 8.03 | B8V | 26 | 1 | |||
| 14 | NGC 2632 | OpC | 08 39 58.4 | +19 36 33 | ~ | 1733 | 0 | |||||
| 15 | NGC 2682 | OpC | 08 51 23.5 | +11 48 54 | ~ | 2528 | 0 |
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