HIP 17781 (HIP 17781): คุณสมบัติ ระยะทาง และชั้นสเปกตรัม

HIP 17781 is a B-type (Blue-White) star located in the constellation Perseus.

At a distance of roughly 1,102 light-years, HIP 17781 is a distant star lying deep within the Milky Way galaxy.

HIP 17781 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

HIP 17781 has an apparent magnitude of +7.39, 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 blue-white hue, which corresponds to a B-V color index of +0.002.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม	Class B — B-type (Blue-White)
ดัชนีสี (B−V)	0.002

การสังเกต

โชติมาตรปรากฏ	+7.39
โชติมาตรสัมบูรณ์	-0.25
ระยะทาง	1,102 ly
กลุ่มดาว	Perseus

ตำแหน่ง

ไรต์แอสเซนชัน	3^h 48.38^m
เดคลิเนชัน	42° 52.86′

คำถามที่พบบ่อย

What type of star is HIP 17781?

HIP 17781 is a Class B — B-type (Blue-White) star.

How far is HIP 17781 from Earth?

HIP 17781 is approximately 1,101.9 light-years from Earth.

Can you see HIP 17781 with the naked eye?

With an apparent magnitude of 7.39, HIP 17781 is not visible to the naked eye.

What constellation is HIP 17781 in?

HIP 17781 is located in the constellation Perseus.