65 Arietis is a star in the northern constellation of

Aries Aries may refer to: *Aries (astrology), an astrological sign *Aries (constellation), a constellation of stars in the zodiac Arts, entertainment and media * ''Aries'' (album), by Luis Miguel, 1993 * ''Aries'' (EP), by Alice Chater, 2020 * "Aries" ...

, located near Tau Arietis. ''65 Arietis'', abbreviated '65 Ari', is the

Flamsteed designation A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England. They are named for John Flamsteed who first used them while co ...

. It has an

apparent visual magnitude Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's lig ...

of 6.07, which, according to the

Bortle Dark-Sky Scale The Bortle scale (also known as the Bottle scale) is a nine-level numeric scale that measures the night sky's brightness of a particular location. It quantifies the astronomical observability of celestial objects and the interference caused by li ...

, means it is faintly visible to the naked eye when viewed from dark suburban skies. Based upon an annual parallax shift of , it is approximately distant from the Sun. The star is moving closer to the Earth with a heliocentric radial velocity of around −6 km/s. This is an ordinary

A-type main sequence star An A-type main-sequence star (A V) or A dwarf star is a main-sequence (hydrogen-burning) star of spectral type A and luminosity class V (five). These stars have spectra defined by strong hydrogen Balmer absorption lines. They measure between 1 ...

with a stellar classification of A1 V. It has about 2.45 times the mass of the Sun and shines with 40 times the Sun's luminosity. This energy is being radiated into outer space at an effective temperature of 10.300 K, giving it the white-hued glow of an

A-type star An A-type main-sequence star (A V) or A dwarf star is a main-sequence (hydrogen-burning) star of spectral type A and luminosity class V (five). These stars have spectra defined by strong hydrogen Balmer absorption lines. They measure between 1 ...

. It is roughly 23% of the way through its lifetime on the main sequence of core

hydrogen burning Stellar nucleosynthesis is the creation (nucleosynthesis) of chemical elements by nuclear fusion reactions within stars. Stellar nucleosynthesis has occurred since the original creation of hydrogen, helium and lithium during the Big Bang. As a ...

stars.

References

External links

HR 1027

Image 65 Arietis
{{DEFAULTSORT:65 Arietis A-type main-sequence stars Aries (constellation) Durchmusterung objects Arietis, 65 021050 015870

1027 Year 1027 ( MXXVII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. Events By Place Europe * March 26 – Pope John XIX crowns Conrad II ("the Elder") and his wife Gisela of Swabi ...