Eta2CrA

Eta2CrA

Eta2CrA is a B-type (Blue-White) star. It carries the designation Eta2CrA.

Located approximately 481.8 light-years from Earth, Eta2CrA resides within the broader disk of our Milky Way galaxy.

Eta2CrA is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

With an apparent magnitude of +5.60, Eta2CrA 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 -0.077.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม Class B — B-type (Blue-White)
ดัชนีสี (B−V) -0.077

การสังเกต

โชติมาตรปรากฏ +5.60
โชติมาตรสัมบูรณ์ -0.25
ระยะทาง 482 ly

ตำแหน่ง

ไรต์แอสเซนชัน 18h 49.58m
เดคลิเนชัน -43° 26.05′

คำถามที่พบบ่อย

What type of star is Eta2CrA?
Eta2CrA is a Class B — B-type (Blue-White) star.
How far is Eta2CrA from Earth?
Eta2CrA is approximately 481.8 light-years from Earth.
Can you see Eta2CrA with the naked eye?
With an apparent magnitude of 5.60, Eta2CrA is visible to the naked eye.