Search results
Results from the WOW.Com Content Network
The galaxy belongs to a new class of objects discovered by WISE, extremely luminous infrared galaxies, or ELIRGs. Light from the WISE J224607.57-052635.0 galaxy has traveled 12.5 billion years. The black hole at its center was billions of times the mass of the Sun when the universe was a tenth (1.3 billion years) of its present age of 13.8 ...
NGC 5135 is a bright source in infrared light and with total infrared luminosity of 10 11.16 − 10 11.23 L ā is considered a luminous infrared galaxy. [ 5 ] [ 6 ] Also strong ultraviolet emission was detected in the central 2 arcseconds of the galaxy, with a dozen of prominent knots, indicative of a recent starburst . [ 7 ]
Luminous infrared galaxies (LIRGs) are galaxies with luminosities—the measurement of electromagnetic power output—above 10 11 Lā (solar luminosities). In most cases, most of their energy comes from large numbers of young stars which heat surrounding dust, which reradiates the energy in the infrared.
WISE J224607.57−052635.0 (or W2246−0526 for short) [3] is an extremely luminous infrared galaxy which, in 2015, was announced as the most luminous known galaxy in the observable universe. [ 3 ] [ 4 ] [ 5 ] The brightness of this galaxy is 350 trillion times [ 3 ] that of the Sun (349×10 12 L ā [ 1 ] ).
Scientists make most detailed ever infrared map of the Milky Way, changing view of our galaxy. Andrew Griffin. September 26, 2024 at 9:22 AM.
The whole galaxy shines bright in infrared and it is characterised as a luminous infrared galaxy, with a total infrared luminosity (L IR) of 5 × 10 11 Lā. [8] The James Webb Space Telescope (JWST) observed the nucleus of the eastern galaxy in mid-infrared, revealing a northeastern and a southwestern core.
IRAS 05189-2524 is classified as an ultraluminous infrared galaxy (ULIRG), [2] which is formed by two interacting gas-rich spiral galaxies that merged together. [3] Signs left by merging process, included a single bright nucleus and an outer structure consisting one-sided extension of the inner arms, with its tidal tail formed by material ripped from the galaxies by gravitational forces.
Luminosity functions are used to study the properties of large groups or classes of objects, such as the stars in clusters or the galaxies in the Local Group. Note that the term "function" is slightly misleading, and the luminosity function might better be described as a luminosity distribution. Given a luminosity as input, the luminosity ...