red supergiant

(redirected from Red supergiants)

red supergiant

n.
A massive star of great size and luminosity that has a relatively low surface temperature ranging from 3,000 to 4,000 kelvin (4,940° to 5,740° F), giving it a reddish or orange hue.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
To build upon the study and learn more about how red supergiants like Antares operate, "the next challenge is to identify what's driving the turbulent motions," Ohnaka said.
They are divided into red supergiants, orange supergiants, and blue supergiants according to their surface temperatures.
Other topics include mask design, reverberation mapping, radio surveys, red supergiants in the Magellanic clouds, and automatic spectral classification of galaxies in the infrared.
It's one of the largest and most luminous red supergiants known, and it's also one of the reddest that's not a carbon star.
In 2011, two of these massive red supergiants exploded while in Kepler's view.
The last supernova discovered by NASA specialists was in 2011, when two red supergiants exploded which was viewed through Kepler, according to NASA's bulletin.
The blue supergiants Rigel and Deneb make a wonderful contrast with the red supergiants Betelgeuse (Orion's left shoulder) and Antares (in Scorpius, far south of Cygnus).
Thorne-Zytkow objects (TZOs) are hybrids of red supergiant and neutron stars that superficially resemble normal red supergiants, such as Betelguese in the constellation Orion.
Humphreys, "Red supergiants and post-red supergiants-the evidence for high mass loss events," EAS Publications Series, vol.
Abstract: Red supergiants (RSGs) represent a crucial phase in the evolution of high-mass stars.
Thus, 119 Tauri remains firmly in second place in the league of all known red supergiants (which excludes carbon stars) and some have even started to refer to this star as the Ruby Star after my lead.