Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982aj.....87.1127c&link_type=abstract
Astronomical Journal, vol. 87, Aug. 1982, p. 1127-1131. Research supported by the Natural Sciences and Engineering Research Cou
Astronomy and Astrophysics
Astrophysics
2
Astrophysics, Cosmology, Galaxies, Moments, Radial Velocity, Spherical Harmonics, Dipole Moments, Interstellar Extinction, Relic Radiation
Scientific paper
The Rubin-Ford (1976) sample of galaxies appears to be moving relative to the microwave background with a speed of perhaps 800 km/sec. Clutton-Brock and Peebles (1981) have suggested that this could be produced by accelerations due to density fluctuations corresponding to thy observed galaxy correlation function xi (r); if so, then we should expect quadrupole and octupole moments as well as the dipole moment found by Rubin et al. (1976a). Statistical analysis reveals that both quadrupole and octupole moments are large. The quadrupole moment is spurious, being contaminated by the effects of interstellar absorption, but the octupole moment is probably real.
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