7 Tri

7 Tri

7 Tri is a A-type (White) star. It carries the designation 7 Tri.

Located approximately 280.7 light-years from Earth, 7 Tri resides within the broader disk of our Milky Way galaxy.

7 Tri is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.25, 7 Tri 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 blue hue, which corresponds to a B-V color index of -0.004.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม Class A — A-type (White)
ดัชนีสี (B−V) -0.004

การสังเกต

โชติมาตรปรากฏ +5.25
โชติมาตรสัมบูรณ์ 0.58
ระยะทาง 281 ly

ตำแหน่ง

ไรต์แอสเซนชัน 2h 15.94m
เดคลิเนชัน 33° 21.53′

คำถามที่พบบ่อย

What type of star is 7 Tri?
7 Tri is a Class A — A-type (White) star.
How far is 7 Tri from Earth?
7 Tri is approximately 280.7 light-years from Earth.
Can you see 7 Tri with the naked eye?
With an apparent magnitude of 5.25, 7 Tri is visible to the naked eye.