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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]
The Eridanus Supervoid is a large supervoid (an area of the universe devoid of galaxies) discovered as of 2007. At a diameter of about one billion light years it is the second largest known void, superseded only by the Giant Void in Canes Venatici.
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 is known to have 31 members with nine listed in the New General Catalogue and two listed in the Index Catalogue. The brightest galaxy in this sub-group is the large elliptical, NGC 1395. The sub-group is not centred on any one galaxy and studies of X-ray emissions from the group indicate that it is dynamically young. [7]
NGC 1309 is a spiral galaxy located approximately 120 million light-years away, appearing in the constellation Eridanus. It was discovered by German-British astronomer William Herschel on 3 October 1785. [3] NGC 1309 is about 75,000 light-years across, and is about 3/4s the width of the Milky Way.
Tau 5 Eridani, Latinized from τ 5 Eridani, is a binary star system in the constellation Eridanus. It is visible to the naked eye with a combined apparent visual magnitude of 4.26. [2] The distance to this system, as estimated using the parallax technique, is around 293 light years. [1] Tau 5 Eridani is a double-lined spectroscopic binary ...
Omega Eridani (ω Eri) is a binary star [9] system in the constellation Eridanus.It is visible to the naked eye with an apparent visual magnitude is 4.37. [2] The distance to this star, as determined by the parallax method, is around 235 light years.