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This is a list of hottest stars so far discovered (excluding degenerate stars), arranged by decreasing temperature. The stars with temperatures higher than 60,000 K are included. List
The "U–V" colour from the HST WFPC2 336 nm and 555 nm filters is −1.28, more indicative of an extremely hot star. [12] This variation of different colour indices relative to a blackbody is the result of interstellar dust causing reddening and extinction. The reddening (E B–V) can be used to estimate the level of visual extinction (A V).
This is a list of the most massive stars that have been discovered, ... The R136 cluster is an unusually dense collection of young, hot, blue stars.
KELT-9b is an exoplanet and ultra-hot Jupiter that orbits the late B-type/early A-type star KELT-9, [4] located about 670 light-years from Earth. [4] Detected using the Kilodegree Extremely Little Telescope, the discovery of KELT-9b was announced in 2016. [5] [1] As of June 2017, it is the hottest known exoplanet. [6]
A star is a massive luminous spheroid astronomical object made of plasma that is held together by its own gravity.Stars exhibit great diversity in their properties (such as mass, volume, velocity, stage in stellar evolution, and distance from Earth) and some of the outliers are so disproportionate in comparison with the general population that they are considered extreme.
WR 102 was first mentioned as the possible optical counterpart to a peculiar X-ray source GX 3+1. [6] However, it became clear that it was a separate object and in 1971 it was highlighted as a luminous star with unusual O VI emission lines in its spectrum. [7]
The most powerful telescope to be launched into space has made history by detecting a record number of new stars in a distant galaxy. NASA's James Webb Space Telescope, history's largest and most ...
The first list shows a few of the known stars with an estimated luminosity of 1 million L ☉ or greater, including the stars in open cluster, OB association and H II region. The majority of stars thought to be more than 1 million L ☉ are shown, but the list is incomplete. The second list gives some notable stars for the purpose of comparison.