폴라리스
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1Alp UMi
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폴라리스 is a F-type (Yellow-White) star. It carries the designation 1Alp UMi.
Located approximately 432.6 light-years from Earth, 폴라리스 resides within the broader disk of our Milky Way galaxy.
폴라리스 is classified as a spectral class F star (F-type (Yellow-White)) on the Harvard spectral classification system.
폴라리스 has an apparent magnitude of +1.97, making it a bright and prominent star that is readily visible to the naked eye. It is one of the more conspicuous stars in its region of the sky. Observers will note its yellow-white hue, which corresponds to a B-V color index of +0.636.
물리적 특성
| 분광형 | F Class F — F-type (Yellow-White) |
| 색지수 (B−V) | 0.636 |
관측
| 겉보기 등급 | +1.97 |
| 절대 등급 | -3.64 |
| 거리 | 433 ly |
위치
| 적경 | 2h 31.79m |
| 적위 | 89° 15.85′ |
Related Chemistry
Explore the chemical elements connected to 폴라리스 on our sister site ChemFYI.
Hydrogen lines still prominent in F-type supergiant spectra
Helium from core fusion, now in evolved shell-burning phase
Metallic absorption lines strengthen in F-type stars
Ca II H & K lines become visible in late-F spectra
Part of the Science FYI Family