Counts and colours of faint galaxies in the U and R bands | Zendy

David W. Hogg | Zendy; M. A. Pahre | Zendy; James K. McCarthy | Zendy; Judith G. Cohen | Zendy; R. D. Blandford | Zendy; Ian Smail | Zendy; B. T. Soifer | Zendy

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Counts and colours of faint galaxies in the U and R bands

Author(s) -

David W. Hogg,

M. A. Pahre,

James K. McCarthy,

Judith G. Cohen,

R. D. Blandford,

Ian Smail,

B. T. Soifer

Publication year - 1997

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/288.2.404

Subject(s) - physics , astrophysics , redshift , galaxy , source counts , flux (metallurgy) , magnitude (astronomy) , astronomy , apparent magnitude , stars , materials science , metallurgy

Ground-based counts and colors of faint galaxies in the U and R bands in one field at high Galactic latitude are presented. Integrated over flux, a total of 1.2x10^5 sources per square degree are found to U=25.5 mag and 6.3x10^5 sources per square degree to R=27 mag, with d log N/dm ~ 0.5 in the U band and d log N/dm ~ 0.3 in the R band. Consistent with these number-magnitude curves, sources become bluer with increasing magnitude to median U-R=0.6 mag at 24

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