Zhou Fan; Jun Ma; Xu Zhou
Source Publicationresearchinastronomyandastrophysics
AbstractWe present the photometry of 30 globular clusters (GCs) and GC candidates in 15 intermediate-band filters covering the wavelength region from - 3000 to 10000A using the archival CCD images of M31 observed as part of the Beijing - Arizona - Taiwan - Connecticut (BATC) Multicolor Sky Survey. We transform these intermediate-band photometric data into the photometry in the standard U BV RI broadbands. These M31 GC candidates are selected from the Revised Bologna Catalog (RBC V.3.5), and most of these candidates do not have any photometric data. Therefore, the presented photometric data are a supplement to the RBC V.3.5. We find that 4 out of 61 GCs and GC candidates in RBC V.3.5 do not show any signal on the BATC images at their locations. By applying a linear fit of the distribution in the color-magnitude diagram of blue GCs and GC candidates using data from the RBC V.3.5, in this study, we find the "blue-tilt" of blue M31 GCs with a high confidence at 99.95% or 3.47cr for the confirmed GCs, and 〉 99.99% or 4.87e for GCs and GC candidates.
Document Type期刊论文
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou Fan,Jun Ma,Xu Zhou. multicolorphotometricstudyofm31globularclusters[J]. researchinastronomyandastrophysics,2009,000(009):993.
APA Zhou Fan,Jun Ma,&Xu Zhou.(2009).multicolorphotometricstudyofm31globularclusters.researchinastronomyandastrophysics,000(009),993.
MLA Zhou Fan,et al."multicolorphotometricstudyofm31globularclusters".researchinastronomyandastrophysics 000.009(2009):993.
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