The1Sgr
The1Sgr
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The1Sgr is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation The1Sgr.
Located approximately 518.5 light-years from Earth, The1Sgr resides within the broader disk of our Milky Way galaxy.
The1Sgr is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.37, The1Sgr sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.150.
Physical Properties
| Spectral Class | B Class B — B-type (Blue-White) |
| Color Index (B−V) | -0.150 |
Observation
| Apparent Magnitude | +4.37 |
| Absolute Magnitude | -1.64 |
| Distance | 519 ly |
| Constellation | Sagittarius |
Position
| Right Ascension | 19h 59.74m |
| Declination | -35° 16.58′ |