SIMBAD references

1999MNRAS.310..982S - Mon. Not. R. Astron. Soc., 310, 982-1001 (1999/December-3)

UBVI CCD photometry of M 11 - II. New photometry and surface density profiles.

SUNG H., BESSELL M.S., LEE H.-W., KANG Y.H. and LEE S.-W.

Abstract (from CDS):

Extensive UBVI CCD photometry has been obtained for the intermediate-age open cluster M11 (NGC 6705). From this new photometry we derive the cluster parameters V0-MV=11.55±0.10, E(B-V)=0.428±0.027 and radius=16arcmin] and age (logtage=8.4±0.1). We also derive density profiles and confirm the mass segregation in M11. The slope of the mass function increases systematically with increasing radius from the centre. We also confirm the existence of main-sequence field stars having similar photometric characteristics to M11. A large population of field red giant stars is also found in the observed fields.

Abstract Copyright: 1999, Royal Astronomical Society

Journal keyword(s): stars: evolution - Hertzsprung-Russell (HR) diagram - stars: luminosity function, mass function - open clusters and associations: individual: M11 (NGC 6705)

VizieR on-line data: <Available at CDS (J/MNRAS/310/982): table2.dat table3.dat>

Nomenclature: Table 2: Cl* NGC 6705 SBL NNNNNN N=14179 among 166491. Table 3: [SBL99] PN G27.4-3.5 NNN N=3676.

Status in Simbad:  could be processed

Simbad objects: 15

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