(G, G-class star)
(stars spectrally similar to the Sun)
A G-type star is a star within the G-class,
a spectral class for stars with metal and
weak hydrogen absorption lines,
a yellow color and a surface temperature
in the range of 5300-6000 K.
The spectral energy distribution peak is within the visible range.
The Sun is a main sequence star within this class.
Such main sequence stars (aka yellow dwarfs or G dwarfs)
burn their hydrogen in on the order of ten billion years.
Characteristics of G-type main sequence stars:
Some example G-type stars are Alpha Centauri
and T Tauri (a pre-main-sequence star).
Giant stars can also fall in the G-class (yellow giants),
including supergiants (yellow supergiants)
and hypergiants (yellow hypergiants).
(star type,spectral class)
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Referenced by pages:
barium star (Ba star)
55 Cancri e (55 Cnc e)
51 Pegasi b (51 Peg b)
HD 209458 b
HD 80606 b
solar mass (MSun)
RR Lyrae variable (RRL)
Transiting Exoplanet Survey Satellite (TESS)