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2002MNRAS.335..291N - Mon. Not. R. Astron. Soc., 335, 291-310 (2002/September-2)
Optimal photometry for colour-magnitude diagrams and its application to NGC 2547.
NAYLOR T., TOTTEN E.J., JEFFRIES R.D., POZZO M., DEVEY C.R. and THOMPSON S.A.
Abstract (from CDS):
We apply these techniques to the young cluster NGC 2547 (=C0809-491), and use an X-ray-selected sample to find an age of 20-35 Myr and an intrinsic distance modulus of 8.00-8.15 mag. We use these isochrones to select members from our photometric surveys. Our derived luminosity function shows a well-defined Wielen dip, making NGC 2547 the youngest cluster in which such a feature has been observed. Our derived mass function spans the range 0.1-6 M☉ and is similar to that for the field and the older, more massive clusters M35 and the Pleiades, supporting the idea of a universal initial mass function.
Abstract Copyright: RAS
Journal keyword(s): methods: data analysis - techniques: image processing - techniques: photometric - stars: formation - stars: pre-main-sequence - open clusters and associations: individual: NGC 2547
VizieR on-line data: <Available at CDS (J/MNRAS/335/291): table2.dat table3.dat table4.dat table5.dat table6.dat table7.dat>
Nomenclature: Tables 2-5: Cl* NGC 2547 NTJ NN-NNNN N=102+16649+25472+31880.
Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.
Simbad objects: 107
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