Sentences with phrase «sequence yellow dwarf»

In about five billion years, our own Sun will make the transition from a main - sequence yellow dwarf star, to a red giant, with dramatic implications for Earth.

Not exact matches

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.

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.

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

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.

The star is a main sequence, yellow - orange dwarf (G8 - K0 V).

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).

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.

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.

37 Geminorum (Gem) is a yellow - orange main sequence dwarf star of spectral and luminosity type G0 V.

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.

Beta Comae Berenices is a main - sequence yellow - orange dwarf star of spectral and luminosity type F 9.5 - G0 V.

This star is a white - yellow main sequence dwarf star of spectral and luminosity type F6 V, with almost 1.3 times Sol's mass (NASA Star and Exoplanet Database; and David F. Gray, 1992), 1.2 5o 1.3 times its diameter (von Belle and von Braun, 2009, HD 30652 in Table 4, page 7; Perrin and Karoji, 1987; NASA Star and Exoplanet Database; and Kenneth R. Lang, 1980), and over 2.6 times of its bolometric luminosity (NASA Star and Exoplanet Database; and Kenneth R. Lang, 1980).

This star is a yellow - orange main sequence dwarf star of possibly spectral and luminosity type G V (Nikolic et al, 1997; and Hill et al, 1989), or later spectral type.

This star is a yellow - orange main sequence dwarf star of spectral and luminosity type G8 Ve.

Tau Ceti is a main sequence, yellow - orange dwarf (G8 Vp).

Alpha Mensae is a yellow - orange main sequence dwarf star of spectral and luminosity type G5 - 6 V, with about 87 percent of Sol's mass, 84 to 91 percent of its diameter (Perrin and Karoji, 1987, page 236; and Johnson and Wright, 1983, page 659), and around 80 percent of its luminosity.

This star is a main - sequence white - yellow dwarf star of spectral and luminosity type F6 - 7 V. Gamma Leporis has about 1.2 times Sol's mass, about 1.3 times its diameter, and about 2.6 times of its luminosity.

HD 111232 is a yellow - orange main sequence dwarf star of spectral and luminosity type G5 V, but it has been classed as orange as a G8.

Sol is a yellow - orange, main sequence dwarf star (G2 V — see spectrum).