HIP 20991 (HIP 20991): คุณสมบัติ ระยะทาง และชั้นสเปกตรัม

HIP 20991 is a G-type (Yellow) star.

Located approximately 780.3 light-years from Earth, HIP 20991 resides within the broader disk of our Milky Way galaxy.

HIP 20991 is classified as a spectral class G star (G-type (Yellow)) on the Harvard spectral classification system.

HIP 20991 has an apparent magnitude of +8.11, placing it beyond naked-eye visibility. A good pair of binoculars or a small telescope is required to observe this star. Observers will note its orange hue, which corresponds to a B-V color index of +1.122.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม	G Class G — G-type (Yellow)
ดัชนีสี (B−V)	1.122

การสังเกต

โชติมาตรปรากฏ	+8.11
โชติมาตรสัมบูรณ์	1.22
ระยะทาง	780 ly

ตำแหน่ง

ไรต์แอสเซนชัน	4^h 30.08^m
เดคลิเนชัน	66° 8.52′

Frequently Asked Questions

What type of star is HIP 20991?

HIP 20991 is a Class G — G-type (Yellow) star.

How far is HIP 20991 from Earth?

HIP 20991 is approximately 780.3 light-years from Earth.

Can you see HIP 20991 with the naked eye?

With an apparent magnitude of 8.11, HIP 20991 is not visible to the naked eye.