Sentences with phrase «dwarf star gliese»

WASP - 33 is an A-type star with a temperature of ~ 7430K, which hosts the hottest known transiting planet; the planet is itself as hot as a red dwarf star of type M.

Another dwarf star, TRAPPIST - 1, with 8 % of the solar mass, was discovered recently3, 4 to host 3 habitable planets out of a total of 7 and if life forms in one of the three it will likely spread to the others5.

Zeta Doradus is a main sequence dwarf star of spectral and luminosity type F7 V but has been classed as white as F6 and as yellow as F9 (Lagrange et al, 2009, page 14 for HD 33262; Trilling et al, 2008, page 26; NASA Stars and Exoplanet Database; and SIMBAD).

Proxima Centauri is a red dwarf star with 12 % of the mass of the Sun.

According to Emeritus Professor Jim Kaler, Beta Hydri entered the main sequence a dwarf star at the cooler end of class F (probably around spectral class F8) but now appears to be a subgiant star that is evolving off the main sequence, as it begins to fuse increasing amounts of helium «ash» mixed with hydrogen at its core.

Beta Hydri is a yellow - orange main sequence dwarf star of spectral and luminosity type G2 IV.

Radiation from the white dwarf star, the white dot in the center of the ring, is exciting the helium to glow.

An international team of astronomers has announced the discovery of a potentially - habitable Super-Earth around the nearby red dwarf star Gliese 832.

The white dwarf star, about 11 billion years old, and is believed to be composed mostly of crystallized carbon, making it a diamond in the sky.

A white dwarf star in a binary orbit with a neighbour can slowly pull material off, gradually increasing its own...

Nearly 900 extrasolar planets have been confirmed to date, but now for the first time astronomers think they are seeing compelling evidence for a planet under construction in an unlikely place, at a great distance from its diminutive red dwarf star.

This allowed the real brightness of a dwarf star to be predicted with reasonable accuracy.

The result is an object having two distinct parts: a well - defined core of mostly carbon ash (a white dwarf star; see below End states of stars) and a swollen spherical shell of cooler and thinner matter spread over a volume roughly the size of the solar system.

In order to be warmed sufficiently have liquid water at the surface, an Earth - type rocky planet would have to be located very close to such a cool and dim red dwarf star like CD - 51 5974.

This tail of hydrogen is huge — about 50 times larger in size than the red dwarf star the planet orbits.

In our new study Kevin has used old and new observations of the system to constrain the orbit of the companion (a red dwarf star labeled B) over the past fourteen years.

Dubbed a «waterworld» and located a mere 42 light - years from Earth, GJ 1214b orbits near a red dwarf star about one - fifth the size of our sun.

NASA — larger image Proxima is a dim red dwarf star, like Gliese 623 A (M2.5 V) and B (M5.8 Ve) at lower right.

Star A is a main sequence dwarf star of spectral and luminosity type F7 - 8 V (Wittenmyer et al, 2006, page 178; Bonavita and Desidera, 2007, HD 16895 in Table 8; and NASA Stars and Exoplanet Database) but has been classed as yellow as F9 (Baize and Petit, 1989, page 505.

A new member in a family of planets circling a red dwarf star 20 light - years away has just been found.

© Torben Krogh & Mogens Winther, (Amtsgymnasiet and EUC Syd Gallery, student photo used with permission) Gliese 105 A is an orange - red dwarf star, like Epsilon Eridani at left center of meteor.

The values of luminosity (L), radius (R) and mass (M) are relative to the Sun — a dwarf star with a spectral classification of G2 V.

The star may even be suspected of being a dim subdwarf (sd / VI)-- like Groombridge 1830 or Kapteyn's Star — rather than a main - sequence dwarf star (V).

Perhaps the least known star in the Red Dots campaign, Ross 154, is a rapidly rotating M dwarf star that shows elevated activity levels and and flares on its surface.

Although radiation may not be a problem, orbiting so close to a red dwarf star presents a unique situation for habitable zone exoplanets like Ross 128 b.

HR 483 B is an «intermediate mass,» red main sequence dwarf star of spectral and luminosity type M V (Henry et al, 1992).

Discovered to be a faint companion of Stars Aab by Ragnar Furuhjelm, Capella C is a red dwarf star of spectral and luminosity type M1 V.

A UCLA - led team of scientists discovered a white dwarf star in the constellation Boötes whose atmosphere is rich in carbon, nitrogen, oxygen and hydrogen.

However, a flare the size of a solar flare occurring on a red dwarf star (CM Draconis) that is more than ten thousand times dimmer than our Sun would emit about as much or more light as the red dwarf does normally.

However, a flare the size of a solar flare occurring on a red dwarf star (such as Proxima Centauri) that is more than ten thousand times dimmer than our Sun would emit about as much or more light as the red dwarf does normally.

© Torben Krogh & Mogens Winther, (Amtsgymnasiet and EUC Syd Gallery, student photo used with permission) 54 Piscium is an orange - red dwarf star, similar to Epsilon Eridani at left center of meteor.

HR 483 A is a yellow - orange main sequence dwarf star of spectral and luminosity type G1.5 V.

The dwarf star TRAPPIST - 1 is 1,000 times dimmer than our sun, and is known to host seven closely orbiting planets.

From the moment that seven Earth - sized planets were discovered in orbit around TRAPPIST - 1 — an ultracool dwarf star located 39 light years away — astronomers have been busy trying to learn everything they can about this intriguing star system, particularly its potential to foster life.

Star A is a yellowish main sequence dwarf star of spectral and luminosity type F8 V, with 1.31 times the mass of Sol (McArthur et al, 2010), 1.6 times its diameter, and 3.4 times its luminosity.

Star A is an orange - red, main sequence dwarf star of spectral and luminosity type K1 - 2 V - VI, Bouchy et al, 2005) but was previously catalogued as yellow as G5.

Perhaps there's a life - supporting, Earth - like planet orbiting close to a red dwarf star many light years away.

107 Piscium is a orange - red main sequence dwarf star of spectral and luminosity type K1 V.

However, a flare the size of a solar flare occurring on a red dwarf star (such as Groombridge 34 A or B) that is more than ten thousand times dimmer than our Sun would emit about as much or more light as the red dwarf itself, doubling its brightness or more.

A new study has found that the seven planets orbiting the nearby ultra-cool dwarf star TRAPPIST - 1 are all made mostly of rock, and some could potentially hold more water than Earth.

Artist impression of a rocky and water - rich asteroid being torn apart by the strong gravity of the white dwarf star GD 61.

Today, a UCLA - led team of scientists reports that it has discovered the existence of a white dwarf star whose atmosphere is rich in carbon and nitrogen, as well as in oxygen and hydrogen, the components of water.

Located a mere 20 light - years away, practically our backyard in cosmic terms, Gliese 581d is situated on the «outer fringes» of the Goldilocks zone, orbiting a red dwarf star.

54 Piscium is an orange - red main - sequence dwarf star of spectral and luminosity type K0 + V.

It is also the closest planet to be discovered orbiting an inactive red dwarf star, which may increase the likelihood that this planet could potentially sustain life.

It appears to be a main sequence red dwarf star of spectral and luminosity type M4.5 V. Because of its small mass and great distance from the primary (Star A), Upsilon Andromedae B appears to have a negligible effect on the radial velocity measurements used to determine that Star A has at least three large planets (Lowrance et al, 2002).

1); the planet is itself as hot as a red dwarf star of type M (ref.

Star b is a main sequence dwarf star of spectral and luminosity type M1 - 2 Ve Duquennoy and Mayor, 1991, page 489 for Gl 107 B).

At first blush, there is nothing particularly special about Kepler - 32, a dwarf star located about 910 light - years away in the constellation Cygnus.

This profound search was thrown into the limelight recently by the discovery of seven small alien worlds orbiting the tiny, red dwarf star TRAPPIST - 1.