HIP 21289 (HIP 21289): คุณสมบัติ ระยะทาง และชั้นสเปกตรัม

HIP 21289 is a B-type (Blue-White) star located in the constellation Perseus.

At a distance of roughly 2,652 light-years, HIP 21289 is a distant star lying deep within the Milky Way galaxy.

HIP 21289 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

HIP 21289 has an apparent magnitude of +7.70, 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 +0.380.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม	Class B — B-type (Blue-White)
ดัชนีสี (B−V)	0.380

การสังเกต

โชติมาตรปรากฏ	+7.70
โชติมาตรสัมบูรณ์	-1.85
ระยะทาง	2,652 ly
กลุ่มดาว	Perseus

ตำแหน่ง

ไรต์แอสเซนชัน	4^h 34.07^m
เดคลิเนชัน	45° 38.15′

คำถามที่พบบ่อย

What type of star is HIP 21289?

HIP 21289 is a Class B — B-type (Blue-White) star.

How far is HIP 21289 from Earth?

HIP 21289 is approximately 2,651.7 light-years from Earth.

Can you see HIP 21289 with the naked eye?

With an apparent magnitude of 7.70, HIP 21289 is not visible to the naked eye.

What constellation is HIP 21289 in?

HIP 21289 is located in the constellation Perseus.