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Since then, some additional works have cast doubt on the "supervoid" explanation. The correlation between the NVSS dip and the Cold Spot was found to be marginal using a more conservative statistical analysis. [13] Also, a direct survey for galaxies in several one-degree-square fields within the Cold Spot found no evidence for a supervoid. [14]
Eridanus Void: This void is separated from the Sculptor void by a sheet of galaxies. [11] Eridanus Supervoid (Great Void) 03 h 15 m 05 s −19° 35′ 02″ z=1 150 Mpc The claimed Eridanus Supervoid or "Great Void", reported on 24 August 2007 by the NRAO from Very Large Array Sky Survey data. [12]
Eridanus is a constellation which stretches along the southern celestial hemisphere. It is represented as a river . One of the 48 constellations listed by the 2nd century AD astronomer Ptolemy , it remains one of the 88 modern constellations .
Eridanus Supervoid: 489,000,000 (most likely value) A recent analysis of the Wilkinson Microwave Anisotropy Probe (WMAP) in 2007 has found an irregularity of the temperature fluctuation of the cosmic microwave background within the vicinity of the constellation Eridanus with analysis found to be 70 microkelvins cooler than the average CMB ...
The Eridanus Group, sometimes called the Eridanus Cloud, is a nearby loose grouping of galaxies at a mean distance of approximately 75 Mly (23 ± 2 Mpc) in the constellation Eridanus. [1] Redshift values show that there are approximately 200 galaxies associated with the group, approximately 70% of which are spiral and irregular type galaxies ...
ζ Eridani (Latinised to Zeta Eridani) is the binary star's Bayer designation.WDS J03158-0849 A is its designation in the Washington Double Star Catalog.The designations of the two components as WDS J03158-0849 Aa and Ab derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU).
NGC 1637 is an isolated, non-interacting [7] intermediate spiral galaxy in the constellation Eridanus, about a degree to the WNW of the star Mu Eridani. [8] It was discovered by German-British astronomer William Herschel on 1 February 1786. [9] It is located at a distance of about 9.77 ± 1.82 Mpc (31.9 ± 5.9 Mly) from the Milky Way. [3]
The molecular clouds of IC 2118 are probably juxtaposed to the outer boundaries of the vast Orion-Eridanus bubble, a giant supershell of molecular hydrogen blown by the high mass stars of the Orion OB1 association. As the supershell expands into the interstellar medium, favorable circumstances for star formation occur.