Large-Scale Structure and the Redshift-Distance Relation | Zendy

Michael Andrew Jones | Zendy; J. N. Fry | Zendy

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Large-Scale Structure and the Redshift-Distance Relation

Author(s) -

Michael Andrew Jones,

J. N. Fry

Publication year - 1998

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/311399

Subject(s) - redshift , physics , void (composites) , astrophysics , hubble's law , redshift survey , galaxy , redshift space distortions , cosmic distance ladder , materials science , composite material

In efforts to demonstrate the linear Hubble law v = Hr from galaxyobservations, the underlying simplicity is often obscured by complexitiesarising from magnitude-limited data. In this paper we point out a simple butpreviously unremarked fact: that the shapes and orientations of structures inredshift space contain in themselves independent information about thecosmological redshift-distance relation. The orientations of voids in the CfA slice support the Hubble law, giving aredshift-distance power index p = 0.83 +/- 0.36 (void data from Slezak, deLapparent, & Bijoui 1993) or p = 0.99 +/- 0.38 (void data from Malik &Subramanian 1997).Comment: 11 pages (AASTeX), 4 figures, to appear in the Astrophysical Journal Letter

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