Previously, such large flares had not been observed in Sol -
type main sequence stars, although they are common in a group of dim main - sequence, reddish M dwarfs known as flare stars.
Not exact matches
It is a Population 1, G -
type main -
sequence star about halfway through its life span.
Estimates of the odds of a planet in general vary; some studies suggest sunlike
stars have about a one in 10 chance of hosting an Earth - like planet, for example, whereas others say it's possible nearly every
main -
sequence star has at least one planet of some
type orbiting it.
In the original work by Brown, slightly different classes of false positives were used: MPU (
main -
sequence star with a giant planet); MSU (undiluted binaries); and the two
types of diluted binaries, MSDF (an eclipsing binary + a third non-related
star) and MSDT (triple systems).
Vega is a slightly bluish, white
main sequence dwarf
star of spectral and luminosity
type A0 V, like Sirius.
Delta Trianguli A is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G0.5 Ve.
Iota Persei is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G0 V. Bigger and brighter than Sol, the
star may have as much as 1.3 times Sol's mass, around 1.08 times its diameter (Pasinetti - Fracassini et al, 2001; Blackwell and Lynas - Gray, 1994; and Johnson and Wright, 1983, page 653), and 2.2 times its luminosity.
This is a red
main sequence dwarf
star of spectral and luminosity
type M3.5 V.
A
main sequence star that is dimmer and redder than the Sun (spectral
type K and M — red dwarfs) could have plants that absorb more red and infrared wavelengths.
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
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
star of spectral and luminosity
type M1 - 2 Ve Duquennoy and Mayor, 1991, page 489 for Gl 107 B).
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, 20
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, 20
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, 20
Star A has at least three large planets (Lowrance et al, 2002).
Depending on a
main sequence star's spectral
type, even a planet with Earth's atmospheric composition may be colored differently.
54 Piscium is an orange - red
main -
sequence dwarf
star of spectral and luminosity
type K0 + V.
107 Piscium is a orange - red
main sequence dwarf
star of spectral and luminosity
type K1 V.
Main sequence stars radiate more or less red or blue light than the Sun depending on their spectral
type.
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
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
star of spectral and luminosity
type K1 - 2 V - VI, Bouchy et al, 2005) but was previously catalogued as yellow as G5.
Star A is a
main sequence, orange - red dwarf of spectral and luminosity
type K3 V.
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 luminos
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 luminos
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.
HR 483 A is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G1.5 V.
Altair has the New Suspected Variable designation NSV 24910 and is unusually bright for its spectral
type and so may be becoming a subgiant
star that is beginning to evolve off the
main sequence, as it begins to fuse the increasing amounts of helium «ash» mixed with hydrogen at its core.
HR 483 B is an «intermediate mass,» red
main sequence dwarf
star of spectral and luminosity
type M V (Henry et al, 1992).
M dwarfs are of high interest since they host more short period planets than any other
type of
main sequence stars and transiting planets around M dwarfs have deeper transits compared to other
main sequence stars.
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
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
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.
Beta Hydri is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G2 IV.
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).
61 Virginis is a yellow - orange
main sequence dwarf of spectral and luminosity
type G5 - 6 V, with about 92 to 96 percent of Sol's mass (95 percent using the isochrone mass estimate of Valenti and Fischer, 2005; and NASA
Star and Exoplanet Database, based on David F. Gray, 1992), 94 to 98 percent of its diameter (96 percent for Valenti and Fischer, 2005; Johnson and Wright, 1983, page 677; and NASA
Star and Exoplanet Database, derived from the exponential formula of Kenneth R. Lang, 1980), and around 78 percent of its visual luminosity and nearly 81 percent of its theoretical bolometric luminosity, with infrared radiation (Sousa et al, 2008; Valenti and Fischer, 2005; NASA
Star and Exoplanet Database, based on Kenneth R. Lang, 1980).
Our planet orbits in the habitable zone (HZ) of a G -
type main -
sequence star that we call the Sun.
CD - 32 8179 is a
main -
sequence orange - red dwarf
star of spectral and luminosity
type K0 V.
It is a
main -
sequence star of spectral
type K1 V, making it more an orange colour than the primary
star.
Gamma Pavonis is a yellowish - white
main sequence dwarf
star of spectral and luminosity
type F6 - 8 V.
Six hundred and twenty light - years from Earth, in the constellation Cygnus, a bright, young,
Type - A, blue,
main -
sequence star designated KELT - 9 burns brightly.
This
star is probably a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G2 V (Tinney et al, 2011), but it has been classed as orange as a G5.
The
stars observed cover almost the entire range of
star -
types —
main sequence, red giants, and white dwarfs.
It is a solar - like
main -
sequence star with a similar yellowish colour, [31] whose stellar classification is spectral
type G2 V. From the determined mutual orbital parameters, Alpha Centauri A is about 10 percent more massive than the Sun, with a radius about 22 percent larger.
The primary, component A, is a Sun - like
star [10] with a stellar classification of F8 V, [5] indicating it is an F -
type main -
sequence star that is generating energy via hydrogen fusion at its core.
We present new high - contrast data obtained during the commissioning of the SPHERE instrument at... ▽ More GJ758 B is a brown dwarf companion to a nearby (15.76 pc) solar -
type, metal - rich (M / H = +0.2 dex)
main -
sequence star (G9V) that was discovered with Subaru / HiCIAO in 2009.
This
star is a very dim, red
main sequence dwarf
star of spectral and luminosity
type M4 V (SIMBAD Astronomical Database).
HD 181433 may be a subgiant rather than a
main -
sequence, orange - red dwarf
star (Sousa et al, 2008; and ARICNS), but is probably not an giant,
star (SIMBAD) of spectral and luminosity
type K3 - 5 V - III.
Abstract: GJ758 B is a brown dwarf companion to a nearby (15.76 pc) solar -
type, metal - rich (M / H = +0.2 dex)
main -
sequence star (G9V) that was discovered with Subaru / HiCIAO in 2009.
Lambda Serpentis is a
main sequence dwarf
star of spectral and luminosity
type G0 V, but it is listed as a possible subgiant in some catalogues.
This
star is a yellowish
main sequence dwarf
star of spectral and luminosity
type F5 - G1 Vn (Nikolic et al, 1997; based on Frans van't Veer, 1971; and Kurpinska and van't Veer, 1970; versus Hill et al, 1989, page 89).
70 Virginis is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G5 Va, but has been previously classified from G2.5 to G4.
Luyten's
Star is is a main sequence red dwarf star of spectral and luminosity type M3.5
Star is is a
main sequence red dwarf
star of spectral and luminosity type M3.5
star of spectral and luminosity
type M3.5 Vn.
37 Geminorum (Gem) is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G0 V.
Achernar is a blue - white
main sequence star of spectral and luminosity
type B3 Vpe (Hiltner et al, 1969), that previously had been classed as bright as a subgiant.
Star «B» is a red main sequence dwarf star of spectral and luminosity type M2 V, with about one fifth of Sol's mass, 58 percent of its diameter, and 84/10, 000 th of its luminos
Star «B» is a red
main sequence dwarf
star of spectral and luminosity type M2 V, with about one fifth of Sol's mass, 58 percent of its diameter, and 84/10, 000 th of its luminos
star of spectral and luminosity
type M2 V, with about one fifth of Sol's mass, 58 percent of its diameter, and 84/10, 000 th of its luminosity.
This
star is a yellow - orange
main sequence dwarf
star of spectral and luminosity
type G0 V, with roughly the same mass as Sol (Irwin et al, 1992), as much as 1.45 times its diameter (George G. Gatewood, 1994, page 143), and less than 1.1 times its luminosity.
Tau Boötis A is a yellowish
main sequence dwarf
star of spectral and luminosity
type F7 V, although it has also been classified as a F6 IV subgiant.
Given Gacrux's high mass, the
star would have been a spectral
type B dwarf before it evolved out of the
main sequence.
[5] The secondary
star is a K -
type main -
sequence star that is 0.79 times as massive as the Sun, and with a surface temperature of 4,780 K. [3]