Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/List_of_most_luminous_known_stars> ?p ?o }
- List_of_most_luminous_known_stars abstract "Below is a list of stars arranged in order of decreasing luminosity (increasing bolometric magnitude). Accurate measurement of stellar luminosities is quite difficult in practice, even when the apparent magnitude is measured accurately, for four reasons:The distance d to the star must be known, to convert apparent to absolute magnitude. Absolute magnitude is the apparent magnitude a star would have if it were 10 parsecs away from the viewer. Since apparent brightness decreases as the square of the distance (i.e. as 1/d2), a small error (e.g. 10%) in determining d implies an error ~2× as large (thus 20%) in luminosity. Stellar distances are only directly measured accurately out to d ~1000 lt-yrs.The magnitudes at the wavelengths measured must be corrected for those not observed. "Absolute bolometric magnitude" (which term is redundant, practically speaking, since bolometric magnitudes are nearly always "absolute", i.e. corrected for distance) is a measure of the star's luminosity, summing over its emission at all wavelengths, and thus the total amount of energy radiated by a star every second. Bolometric magnitudes can only be estimated by correcting for unobserved portions of the spectrum that have to be modeled, which is always an issue, and often a large correction. The list is dominated by hot blue stars which produce the majority of their energy output in the ultraviolet, but these may not necessarily be the brightest stars at visual wavelengths.Even the observed magnitudes must be corrected for the absorption or extinction of intervening interstellar or circumstellar dust and gas. This correction can be enormous and difficult to determine precisely. For example, until accurate infrared observations became possible ~50 years ago, the Galactic Center of the Milky Way was totally obscured to visual observations.A large proportion of stellar systems discovered with very high luminosity have later been found to be binary. Usually this results in the total system luminosity being reduced and then that lower luminosity is spread among several components. These binaries are common both because the conditions that produce high mass high luminosity stars also favour multiple star systems, but also because searches for highly luminous stars are inevitably biased towards detecting systems with multiple more normal stars combining to appear luminous.Because of all these problems, other references may give very different lists of the most luminous stars (different ordering or different stars altogether). Data on different stars can be of somewhat different reliability, depending on the attention one particular star has received as well as largely differing physical difficulties in analysis (see the Pistol Star for an example). The last stars in the list are familiar nearby stars put there for comparison, and not among the most luminous known. It may also interest the reader to know that the Sun is more luminous than approximately 95% of all known stars in the local neighborhood (out to, say, a few hundred light years), due to enormous numbers of somewhat less massive stars that are cooler and often much less luminous. For perspective, the overall range of stellar luminosities runs from dwarfs less than 1/10,000th as luminous as the Sun, to supergiants over 1,000,000 times more luminous.".
- List_of_most_luminous_known_stars wikiPageExternalLink magnitudes.html.
- List_of_most_luminous_known_stars wikiPageExternalLink s4.htm.
- List_of_most_luminous_known_stars wikiPageExternalLink table364.html.
- List_of_most_luminous_known_stars wikiPageExternalLink viewpr.html?pid=13334.
- List_of_most_luminous_known_stars wikiPageExternalLink bright-stars.html.
- List_of_most_luminous_known_stars wikiPageID "5825136".
- List_of_most_luminous_known_stars wikiPageLength "35844".
- List_of_most_luminous_known_stars wikiPageOutDegree "233".
- List_of_most_luminous_known_stars wikiPageRevisionID "682889298".
- List_of_most_luminous_known_stars wikiPageWikiLink 1000000000000_(number).
- List_of_most_luminous_known_stars wikiPageWikiLink 3C_273.
- List_of_most_luminous_known_stars wikiPageWikiLink 68_Cygni.
- List_of_most_luminous_known_stars wikiPageWikiLink AB7.
- List_of_most_luminous_known_stars wikiPageWikiLink AFGL_2298.
- List_of_most_luminous_known_stars wikiPageWikiLink AF_Andromedae.
- List_of_most_luminous_known_stars wikiPageWikiLink AG_Carinae.
- List_of_most_luminous_known_stars wikiPageWikiLink Absolute_magnitude.
- List_of_most_luminous_known_stars wikiPageWikiLink Aldebaran.
- List_of_most_luminous_known_stars wikiPageWikiLink Alnilam.
- List_of_most_luminous_known_stars wikiPageWikiLink Alpha_Centauri.
- List_of_most_luminous_known_stars wikiPageWikiLink Andromeda_Galaxy.
- List_of_most_luminous_known_stars wikiPageWikiLink Antares.
- List_of_most_luminous_known_stars wikiPageWikiLink Apparent_magnitude.
- List_of_most_luminous_known_stars wikiPageWikiLink Arches_Cluster.
- List_of_most_luminous_known_stars wikiPageWikiLink Arches_cluster.
- List_of_most_luminous_known_stars wikiPageWikiLink Arcturus.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-100.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-104.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-117.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-122.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-33.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-68.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-94.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-96.
- List_of_most_luminous_known_stars wikiPageWikiLink BAT99-98.
- List_of_most_luminous_known_stars wikiPageWikiLink Betelgeuse.
- List_of_most_luminous_known_stars wikiPageWikiLink Bolometer.
- List_of_most_luminous_known_stars wikiPageWikiLink Bolometric_magnitude.
- List_of_most_luminous_known_stars wikiPageWikiLink Canopus.
- List_of_most_luminous_known_stars wikiPageWikiLink Canopus_(star).
- List_of_most_luminous_known_stars wikiPageWikiLink Capella.
- List_of_most_luminous_known_stars wikiPageWikiLink Capella_(star).
- List_of_most_luminous_known_stars wikiPageWikiLink Carina_Nebula.
- List_of_most_luminous_known_stars wikiPageWikiLink Category:Hypergiants.
- List_of_most_luminous_known_stars wikiPageWikiLink Category:Lists_of_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink Category:Lists_of_superlatives_in_astronomy.
- List_of_most_luminous_known_stars wikiPageWikiLink Category:Milky_Way.
- List_of_most_luminous_known_stars wikiPageWikiLink Category:Supergiants.
- List_of_most_luminous_known_stars wikiPageWikiLink Cygnus_OB2.
- List_of_most_luminous_known_stars wikiPageWikiLink Cygnus_OB2-12.
- List_of_most_luminous_known_stars wikiPageWikiLink Cygnus_OB2-771.
- List_of_most_luminous_known_stars wikiPageWikiLink Deneb.
- List_of_most_luminous_known_stars wikiPageWikiLink Electromagnetic_spectrum.
- List_of_most_luminous_known_stars wikiPageWikiLink Energy.
- List_of_most_luminous_known_stars wikiPageWikiLink Epsilon_Orionis.
- List_of_most_luminous_known_stars wikiPageWikiLink Eta_Carinae.
- List_of_most_luminous_known_stars wikiPageWikiLink Extinction_(astronomy).
- List_of_most_luminous_known_stars wikiPageWikiLink GRB_971214.
- List_of_most_luminous_known_stars wikiPageWikiLink Galactic_Center.
- List_of_most_luminous_known_stars wikiPageWikiLink Galaxy.
- List_of_most_luminous_known_stars wikiPageWikiLink Gamma-ray_burst.
- List_of_most_luminous_known_stars wikiPageWikiLink Gamma_ray.
- List_of_most_luminous_known_stars wikiPageWikiLink Gamma_ray_burst.
- List_of_most_luminous_known_stars wikiPageWikiLink Gamma_rays.
- List_of_most_luminous_known_stars wikiPageWikiLink HDE_269810.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_269810.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_37974.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_38282.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_50064.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_5980.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_93129A.
- List_of_most_luminous_known_stars wikiPageWikiLink HD_93250.
- List_of_most_luminous_known_stars wikiPageWikiLink Infrared_astronomy.
- List_of_most_luminous_known_stars wikiPageWikiLink LBV_1806-20.
- List_of_most_luminous_known_stars wikiPageWikiLink LSS_4067.
- List_of_most_luminous_known_stars wikiPageWikiLink Large_Magellanic_Cloud.
- List_of_most_luminous_known_stars wikiPageWikiLink Light.
- List_of_most_luminous_known_stars wikiPageWikiLink Light-year.
- List_of_most_luminous_known_stars wikiPageWikiLink Light_years.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_brightest_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_hottest_known_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_largest_known_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_largest_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_most_luminous_known_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_most_massive_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_most_massive_stars_known.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_nearest_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_nearest_stars_and_brown_dwarfs.
- List_of_most_luminous_known_stars wikiPageWikiLink List_of_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink Lists_of_stars.
- List_of_most_luminous_known_stars wikiPageWikiLink Luminosity.
- List_of_most_luminous_known_stars wikiPageWikiLink M33-013406.63.
- List_of_most_luminous_known_stars wikiPageWikiLink M33_Var_B.
- List_of_most_luminous_known_stars wikiPageWikiLink Magnetar.
- List_of_most_luminous_known_stars wikiPageWikiLink Melnick_34.
- List_of_most_luminous_known_stars wikiPageWikiLink Melnick_42.
- List_of_most_luminous_known_stars wikiPageWikiLink Messier_31.
- List_of_most_luminous_known_stars wikiPageWikiLink Messier_33.
- List_of_most_luminous_known_stars wikiPageWikiLink Milky_Way.