HYG 117991
HYG 117991 is a M-type (Red) star located in the constellation Cassiopeia.
HYG 117991 lies approximately 42.9 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 42 years ago.
HYG 117991 is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +13.15, HYG 117991 is a faint star that requires a telescope to observe. It is invisible to the naked eye and too dim for most binoculars.
الخصائص الفيزيائية
| النوع الطيفي | M Class M — M-type (Red) |
الرصد
| القدر الظاهري | +13.15 |
| القدر المطلق | 12,55 |
| المسافة | 42.9 ly |
| الكوكبة | Cassiopeia |
الموضع
| المطلع المستقيم | 0h 28,89m |
| الميل | 50° 22,59′ |
Frequently Asked Questions
What type of star is HYG 117991?
HYG 117991 is a Class M — M-type (Red) star.
How far is HYG 117991 from Earth?
HYG 117991 is approximately 42.9 light-years from Earth.
Can you see HYG 117991 with the naked eye?
With an apparent magnitude of 13.15, HYG 117991 is not visible to the naked eye.
What constellation is HYG 117991 in?
HYG 117991 is located in the constellation Cassiopeia.