Eta Sgr
Eta Sgr
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Eta Sgr is a M-type (Red) star located in the constellation Sagittarius. It carries the designation Eta Sgr.
Located approximately 145.9 light-years from Earth, Eta Sgr resides within the broader disk of our Milky Way galaxy.
Eta Sgr is classified as a spectral class M star (M-type (Red)) on the Harvard spectral classification system.
At an apparent magnitude of +3.10, Eta Sgr is visible to the naked eye under reasonably clear skies. It may require dark-sky conditions to be seen comfortably in areas with significant light pollution. Observers will note its red hue, which corresponds to a B-V color index of +1.582.
คุณสมบัติทางกายภาพ
| ประเภทสเปกตรัม | M Class M — M-type (Red) |
| ดัชนีสี (B−V) | 1.582 |
การสังเกต
| โชติมาตรปรากฏ | +3.10 |
| โชติมาตรสัมบูรณ์ | -0.15 |
| ระยะทาง | 146 ly |
| กลุ่มดาว | Sagittarius |
ตำแหน่ง
| ไรต์แอสเซนชัน | 18h 17.63m |
| เดคลิเนชัน | -36° 45.70′ |