stars: horizontal branchstars: Population IIstars: variables: otherglobular clusters: individual: NGC 6229doi:10.1046/J.1365-8711.2001.04205.XJ. BorissovaM. CatelanT. ValchevOxford University PressMonthly Notices of the Royal Astronomical Society...
We have used a combination of high-resolution Hubble Space Telescope WFPC2and wide-field ground-based observations in ultraviolet and optical bands tostudy the blue straggler star (BSS) population of the outer-halo globularcluster NGC 6229, over its entire radial extent. A total of 64 bright ...
Deep CCD photometry The outer-halo globular cluster NGC 6229. III. Deep CCD photometryThe outer-halo globular cluster NGC 6229. III. Deep CCD photometryBorissovaJ.CatelanM.FerraroF. R.SpassovaN.BuonannoR.ASTRONOMY AND ASTROPHYSICS -BERLIN-...
NGC 6229 (= GCL 47) Discovered (May 12, 1787) byWilliam Herschel Also observed (date?) byHerman Schultz A 9th-magnitude globular cluster (type IV) inHercules(RA 16 46 58.9, Dec+47 31 42) Historical Identification: Per Dreyer, NGC 6229 (= GC 4244 - WH IV 50, Schultz, 1860 RA 16...
BV CCD photometry of the central (1.5 arcmin x 2.0 arcmin) part of the mildly concentrated outer-halo globular cluster NGC 6229 is presented. The data redu... J Borissova,M Catelan,N Spassova,... - 《Astronomical Journal》 被引量: 40发表: 1996年 CCD time-series photometry of the glob...
globular clusters: individual(NGC 6229, NGC 1851, NGC 2808)Hertzsprung-Russell diagramstars: horizontal-branchstars: Population IIThe outer halo globular cluster NGC 6229 has a peculiar horizontal-branch(HB) morphology, with clear indications of a bimodal HB and a "gap" on the blue HB. In ...