Apparent magnitudes in an inhomogeneous universe: the global viewpoint

Details Apparent magnitudes in an inhomogeneous universe: the global viewpoint Apparent magnitudes in an inhomogeneous universe: the global viewpoint

2001-06-27

arxiv.org/abs/astro-ph/0106489v2

Astrophys.J. 560 (2001) L15-L18

Astronomy and Astrophysics

Astrophysics

2 pages, Latex, with aastex and emulateapj5

Scientific paper

10.1086/324311

Apparent magnitudes are important for high precision cosmology. It is generally accepted that weak gravitational lensing does not affect the relationship between apparent magnitude and redshift. By considering metric perturbations it is shown that objects observed in an inhomogeneous universe have, on average, higher apparent magnitudes than those observed at the same redshift in a homogeneous universe.

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