7 Tri
7 Tri
7 Tri is a A-type (White) star. It carries the designation 7 Tri.
Located approximately 280.7 light-years from Earth, 7 Tri resides within the broader disk of our Milky Way galaxy.
7 Tri is classified as a spectral class A star (A-type (White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.25, 7 Tri 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 -0.004.
Physikalische Eigenschaften
| Spektralklasse | Class A — A-type (White) |
| Farbindex (B−V) | -0,004 |
Beobachtung
| Scheinbare Helligkeit | +5.25 |
| Absolute Helligkeit | 0,58 |
| Entfernung | 281 ly |
Position
| Rektaszension | 2h 15,94m |
| Deklination | 33° 21,53′ |
Häufig gestellte Fragen
What type of star is 7 Tri?
7 Tri is a Class A — A-type (White) star.
How far is 7 Tri from Earth?
7 Tri is approximately 280.7 light-years from Earth.
Can you see 7 Tri with the naked eye?
With an apparent magnitude of 5.25, 7 Tri is visible to the naked eye.