HIP 21640

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HIP 21640 is a B-type (Blue-White) star.

Located approximately 410.8 light-years from Earth, HIP 21640 resides within the broader disk of our Milky Way galaxy.

HIP 21640 is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.

HIP 21640 has an apparent magnitude of +7.27, 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 hue, which corresponds to a B-V color index of -0.010.

คุณสมบัติทางกายภาพ

ประเภทสเปกตรัม B Class B — B-type (Blue-White)
ดัชนีสี (B−V) -0.010

การสังเกต

โชติมาตรปรากฏ +7.27
โชติมาตรสัมบูรณ์ 1.77
ระยะทาง 411 ly

ตำแหน่ง

ไรต์แอสเซนชัน 4h 38.88m
เดคลิเนชัน -8° 13.49′

Frequently Asked Questions

What type of star is HIP 21640?
HIP 21640 is a Class B — B-type (Blue-White) star.
How far is HIP 21640 from Earth?
HIP 21640 is approximately 410.8 light-years from Earth.
Can you see HIP 21640 with the naked eye?
With an apparent magnitude of 7.27, HIP 21640 is not visible to the naked eye.