Flare Star

Flare star A flare star is a variable star which can undergo unpredictable dramatic increases in brightness for a few minutes or a few hours. The brightness increase is across the spectrum, from X rays to radio waves.

Flare star A flare star is a type of star which regularly experiences brief, random outbursts of solar flares over its surface disrupting energy patterns in its system and sometimes endangering lifeforms.

Flare stars erupt sporadically, with successive flares spaced anywhere from an hour to a few days apart. A flare only takes a few minutes to reach peak brightness, and more than one flare can occur at a time.

Flare stars T Tauri variables FU Orionis variables R Coronae Borealis variables Luminous blue variables ...

Flare Star (a) Dim red dwarf star that suddenly lights up with great - but brief - luminosity, corresponding to an equally powerful but short-lived burst of radio emission.

Flare star- a faint red star that has short-lived explosions on its surface; these explosions cause the star to appear temporarily brighter Fluctus- flow terrain Fossa- long, narrow, shallow depression ...

Flare Star A faint red star that appears to change in brightness due to explosions on its surface. G Galactic Halo The name given to the spherical region surrounding the center, or nucleus of a galaxy.

UV Ceti is a flare star, undergoing large changes of brightness in very short time frames. Flare stars are sometimes referred to as "UV Ceti variables" in honour of this remarkable behaviour.

Being so faint, flare stars must be very close to the solar system to be noticed; indeed many of them are within fifteen light years from us. UV Ceti is 8.4 light years away.

Flare Star A member of a class of stars that show occasional, sudden, unpredicted increases in light. The total energy released in a flare on a flare star can be much greater that the energy released in a solar flare.

Many red dwarfs are flare stars. (sometimes called UV Ceti star[C95] (c) A member of a class of dwarf stars (usually dM3e-dM6e) that show sudden, intense outbursts of energy.

These stars can have magnetically driven explosions on their surface which cause flares, and are known as flare stars. Young red dwarf stars are commonly flare stars, and their ultraviolet brightness can change by several magnitudes during a flare.

Small, M-class stars (with 0.1-0.6 solar masses) that exhibit rapid, irregular variability are known as flare stars. These fluctuations are believed to be caused by flares, although the activity is much stronger relative to the size of the star.

The sequence of images shown above spans more than a nine hour period from 12:07 to 21:20 Universal Time (UT), (7:07am to 4:20pm central daylight savings time). The data include two M-class flares: an M6.4 flare starting at 13:53 UT and ending at ...

Proxima Cen is the third component of Alpha Cen. It is a flare star. Alpha Cen is the third brightest star in the sky. The two components A and B are close together and can only be seen separately in a small telescope.

(followed by lettered variable star names and then Flamsteed numbers) within their variable star classes: Cepheids, Miras, semi-regulars, irregulars, Beta Cephei stars, Slowly Pulsating B Stars, Delta Scuti stars, Gamma Doradus stars, flare stars, ...

Close binary stars (G2 and K5 type), with the dimmest star in the system, Proxima Centauri (Alpha Centauri C), being a flare star and the closest star to Sol before Barnard's Star usurped that position.

gamma ray astronomy (NASA Thesaurus) Astronomy based on the detection of gamma ray emission and interactions from supernova remnants, neutron stars, flare stars, galactic core and disc, black holes, etc.

See also: Flare, Star, Dwarf, Earth, Light