HYG 118021
HYG 118021 is a K-type (Orange) star located in the constellation Cassiopeia.
HYG 118021 lies approximately 19.4 light-years from Earth, placing it within the Sun's local stellar neighborhood. This relatively short cosmic distance means the light reaching us today departed the star only about 19 years ago.
HYG 118021 is classified as a spectral class K star (K-type (Orange)) on the Harvard spectral classification system.
HYG 118021 has an apparent magnitude of +7.51, 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 orange hue, which corresponds to a B-V color index of +1.390.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | K Class K — K-type (Orange) |
| ดัชนีสี (B−V) | 1.390 |
การสังเกต
| โชติมาตรปรากฏ | +7.51 |
| โชติมาตรสัมบูรณ์ | 8.64 |
| ระยะทาง | 19.4 ly |
| กลุ่มดาว | Cassiopeia |
ตำแหน่ง
| ไรต์แอสเซนชัน | 0h 49.02m |
| เดคลิเนชัน | 57° 49.04′ |
Frequently Asked Questions
What type of star is HYG 118021?
HYG 118021 is a Class K — K-type (Orange) star.
How far is HYG 118021 from Earth?
HYG 118021 is approximately 19.4 light-years from Earth.
Can you see HYG 118021 with the naked eye?
With an apparent magnitude of 7.51, HYG 118021 is not visible to the naked eye.
What constellation is HYG 118021 in?
HYG 118021 is located in the constellation Cassiopeia.