4 Sgr
4 Sgr
4 Sgr is a B-type (Blue-White) star located in the constellation Sagittarius. It carries the designation 4 Sgr.
Located approximately 415.5 light-years from Earth, 4 Sgr resides within the broader disk of our Milky Way galaxy.
4 Sgr is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +4.74, 4 Sgr 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 -0.030.
भौतिक गुण
| वर्णक्रम वर्ग | B Class B — B-type (Blue-White) |
| रंग सूचकांक (B−V) | -0.030 |
प्रेक्षण
| आभासी परिमाण | +4.74 |
| निरपेक्ष परिमाण | -0.79 |
| दूरी | 415 ly |
| नक्षत्रमंडल | Sagittarius |
स्थिति
| दक्षिणांश | 17h 59.79m |
| दिगंश | -23° 48.97′ |
Frequently Asked Questions
What type of star is 4 Sgr?
4 Sgr is a Class B — B-type (Blue-White) star.
How far is 4 Sgr from Earth?
4 Sgr is approximately 415.5 light-years from Earth.
Can you see 4 Sgr with the naked eye?
With an apparent magnitude of 4.74, 4 Sgr is visible to the naked eye.
What constellation is 4 Sgr in?
4 Sgr is located in the constellation Sagittarius.