Alsafi

61Sig Dra

Alsafi is a K-type (Orange) star. It carries the designation 61Sig Dra.

Alsafi lies approximately 18.8 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 18 years ago.

Alsafi is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.

With an apparent magnitude of +4.67, Alsafi sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.786.

物理特性

光谱类型 Class K — K-type (Orange)
色指数 (B−V) 0.786

观测

视星等 +4.67
绝对星等 5.87
距离 18.8 ly

位置

赤经 19h 32.35m
赤纬 69° 39.67′

常见问题

What type of star is Alsafi?
Alsafi is a Class K — K-type (Orange) star.
How far is Alsafi from Earth?
Alsafi is approximately 18.8 light-years from Earth.
Can you see Alsafi with the naked eye?
With an apparent magnitude of 4.67, Alsafi is visible to the naked eye.