HIP 9991 (HIP 9991): คุณสมบัติ ระยะทาง และชั้นสเปกตรัม

HIP 9991 is a F-type (Yellow-White) star located in the constellation Andromeda.

Located approximately 257.6 light-years from Earth, HIP 9991 resides within the broader disk of our Milky Way galaxy.

HIP 9991 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.

HIP 9991 has an apparent magnitude of +7.71, 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 white hue, which corresponds to a B-V color index of +0.403.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม	Class F — F-type (Yellow-White)
ดัชนีสี (B−V)	0.403

การสังเกต

โชติมาตรปรากฏ	+7.71
โชติมาตรสัมบูรณ์	3.22
ระยะทาง	258 ly
กลุ่มดาว	Andromeda

ตำแหน่ง

ไรต์แอสเซนชัน	2^h 8.68^m
เดคลิเนชัน	42° 9.78′

คำถามที่พบบ่อย

What type of star is HIP 9991?

HIP 9991 is a Class F — F-type (Yellow-White) star.

How far is HIP 9991 from Earth?

HIP 9991 is approximately 257.6 light-years from Earth.

Can you see HIP 9991 with the naked eye?

With an apparent magnitude of 7.71, HIP 9991 is not visible to the naked eye.

What constellation is HIP 9991 in?

HIP 9991 is located in the constellation Andromeda.