Noun
The word is derived from corona
of Corona
Source: Webster's dictionaryAlpha and Beta Coronae Australis are the two brightest stars with an apparent magnitude of around 4.1. Source: Internet
It has a surface temperature of 5180 K. citation For most of its existence, Delta Coronae Borealis was a blue-white main-sequence star of spectral type B before it ran out of hydrogen fuel in its core. Source: Internet
An outburst of T Coronae Borealis was first recorded in 1866; its second recorded outburst was in February 1946. Source: Internet
ADS 9731 and Sigma Coronae Borealis are multiple star systems with six and five components respectively. Source: Internet
The yellow supergiant R Coronae Borealis is the prototype of a rare class of giant stars—the R Coronae Borealis variables —that are extremely hydrogen deficient, and thought to result from the merger of two white dwarfs. Source: Internet
The astronomical observations planned with the Einstein Observatory by Giuseppe Vaiana and his group citation showed that F-, G-, K- and M-stars have chromospheres and often coronae much like our Sun. Source: Internet