What question did this study set out to answer?

Investigate the cosmic evolution and differential properties of the field galaxy luminosity function out to a redshift of z ≈ 1.

December 1, 1995The Astrophysical JournalOpen Access

The Canada-France Redshift Survey. VI. Evolution of the Galaxy Luminosity Function to Z approximately 1

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Implication

Observational redshift survey reveals color-dependent brightening in distant field galaxies, indicating substantial cosmic evolution driven primarily by blue galaxies.

Key Points

Investigate the cosmic evolution and differential properties of the field galaxy luminosity function out to a redshift of z ≈ 1.
Analyzed an I-band selected sample of 730 field galaxies from the Canada-France Redshift Survey, including 591 secure redshifts with a median of ~0.56.
Evaluated the trivariate luminosity function across magnitude, color, and redshift alongside color-magnitude diagrams and V/V_max statistics.
Red galaxies exhibited negligible change in either number density or luminosity over the entire redshift range 0 < z < 1.
Blue galaxies displayed substantial evolution at z > 0.5, brightening uniformly by approximately 1 magnitude at 0.5 < z < 0.75, followed by steepening at fainter magnitudes at higher redshifts.
Identified an excess of galaxies at low redshifts (z < 0.2) around M_AB(B) ≈ -18 relative to local luminosity baselines.

Cite This Study

A 1995 study studied this question.

synapsesocial.com/papers/6a7dd86e7bc3bc414599b13c https://doi.org/10.1086/176560

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Implication

Observational redshift survey reveals color-dependent brightening in distant field galaxies, indicating substantial cosmic evolution driven primarily by blue galaxies.

The Canada-France Redshift Survey. VI. Evolution of the Galaxy Luminosity Function to Z approximately 1

Discussion

Member takes

Implication

Key Points

Cite This Study

The Canada-France Redshift Survey. VI. Evolution of the Galaxy Luminosity Function to Z approximately 1

Discussion

Member takes

Implication

Key Points

Cite This Study

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