Star · K1III
15 Aql
15 Aql is a giant star of spectral type K1III in the constellation Aquila, 314.5 light-years from the Sun.
| Other names | HIP 93717 |
|---|---|
| Constellation | Aquila |
| Distance | 314.5 light-years (96.4 pc) |
| Apparent magnitude | magnitude 5.40 |
| Absolute magnitude | magnitude 0.48 |
| Spectral type | K1III |
| Surface temperature | 4,470 K |
| Luminosity | 103 L☉ |
| Radius | 16.9 R☉ |
| Mass | 3.41 M☉ (estimated) |
| Right ascension (J2000) | 19h 04m 57.7s |
| Declination (J2000) | −4° 01′ 53″ |
| Space velocity (relative to the Sun) | 28.8 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 5.40). Visible from the whole Southern Hemisphere and north to latitude 86° N. It stands highest at midnight in July, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1712. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 5.6 million years.
The Sun seen from there
From a planet around 15 Aql, the Sun would look like a star of magnitude 9.75, in the direction where our sky has the constellation Monoceros. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- HIP 93190 14.5 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.