Sentences with phrase «luminosity type»

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.

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 40307 is an orange - red main - sequence dwarf star of spectral and luminosity type K2.5 V (Mayor et al, 2008).

HD 156668 is a main - sequence, orange - red dwarf star of spectral and luminosity type K2 - 3 V.

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.

Star «B» is a red red sequence dwarf star of spectral and luminosity type M2 V.

Aldebaran A is a orange - red giant star of spectral and luminosity type K5 III.

CD - 23 17699 is a orange - red dwarf star of uncertain spectral type K5 to M0 (NStars), but there seems to be agreement that it is a main - sequence dwarf of luminosity type of V.

Unusually faint for its spectral type, Groombridge 1830 is a yellow - orange halo subdwarf star of spectral and luminosity type sdG8p / VI.

Errai is an orange - red star of spectral and luminosity type K1 - 2 IV - IIIe, with CN 1 (McKeenan and McNeil, 1989, page 263).

Star A is probably a yellow - orange subgiant of spectral and luminosity type G0 IV).

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

It may be of spectral and luminosity type MV given an estimated mass of 40 percent Solar and a surface temperature of 3,500 ° K (which is reddish in color).

The star may be an orange - red, main sequence dwarf of spectral and luminosity type K2 - 3 V and have an orbital period with Star Ba or 2.2 to 2.9 years.

This spectral and luminosity type of this cool and dim, main sequence red dwarf may be around M1.5 Ve (RECONS), but it has been classed as orange as M0.5 (Demory et al, 2009, Table 4; and Hawley et al, 1996).

HD 147513 A is a yellow - range dwarf star of spectral and luminosity type G3 - 5 V.

Arcturus is a orange - red giant star of spectral and luminosity type K1.5 IIIpe.

GJ 1214 is a cool and dim, main sequence red dwarf of spectral and luminosity type M4.5 V (NASA Star and Exoplanet Database, based on Hawley et al, 1996).

Star A is bluish white main sequence dwarf of spectral and luminosity type A3 Va (NASA Stars and Exoplanet Database; Gray et al, 2003; and Garrison and Beattie, 1998).

The research findings are presented in the article «Submillimeter ALMA Observation of the Dense Gas in the Low - Luminosity Type - 1 Active Nucleus of NGC 1097» published in the Publication of the Astronomical Society of Japan, Vol.

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.

Star A is probably a yellow - orange subgiant of spectral and luminosity type G0 IV (NASA Stars and Exoplanet Database; and Garrison and Beattie, 1998).

Star A is a main sequence dwarf star of spectral and luminosity type F5 V (NASA Stars and Exoplanet Database).

Gacrux is a cool red giant star of spectral and luminosity type M3.5 III (but was once thought to be a «bright giant» of luminosity type II).

Epsilon Indi is a orange - red main sequence dwarf star of spectral and luminosity type K4 - 5 Ve.

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).

BD +04 123 is a main - sequence orange - red dwarf star of spectral and luminosity type K1 - 2 Ve.

Star b is a main sequence dwarf star of spectral and luminosity type G8 V (Fekel and Tomkin, 1983).

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

BD - 05 1123 is a main - sequence orange - red dwarf star of spectral and luminosity type K3 V.

Unlike Sol, it is a slightly bluish, white main sequence dwarf star of spectral and luminosity type A0 - 1 Vm.

This cool and dim, main sequence red dwarf is of spectral and luminosity type M5.0 - 5.5 (Ve).

Star A is a white dwarf stellar remnant of spectral and luminosity type DA2 / VII.

79 Ceti is a yellow - orange dwarf star of spectral and luminosity type G5 IV, with about the same mass (1.00) as Sol, about the same diameter — 1.01 Solar (Johnson and Wright, 1983, page 651), and twice (2.0) its luminosity (exoplanets.org).

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.

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.

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 luminosity.

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.

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

Luyten's Star is is a main sequence red dwarf star of spectral and luminosity type M3.5 Vn.

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.

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).

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.

Zeta Tucanae is a yellowish main sequence dwarf of spectral and luminosity type F8 - G0 V, with about 98 percent of Sol's mass, 1.1 times its diameter, and 1.3 times its luminosity.

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.

This star is a very dim, red main sequence dwarf star of spectral and luminosity type M4 V (SIMBAD Astronomical Database).

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.

Gamma Pavonis is a yellowish - white main sequence dwarf star of spectral and luminosity type F6 - 8 V.

CD - 32 8179 is a main - sequence orange - red dwarf star of spectral and luminosity type K0 V.

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).