Star · M2
Gl 745B
Gl 745B is a main-sequence star of spectral type M2 in the constellation Sagitta, 28.8 light-years from the Sun.
| Other names | HIP 93899 |
|---|---|
| Constellation | Sagitta |
| Distance | 28.8 light-years (8.83 pc) |
| Apparent magnitude | magnitude 10.76 |
| Absolute magnitude | magnitude 11.03 |
| Spectral type | M2 |
| Surface temperature | 3,690 K |
| Luminosity | 0.0141 L☉ |
| Radius | 0.29 R☉ |
| Mass | 0.297 M☉ (estimated) |
| Right ascension (J2000) | 19h 07m 13.2s |
| Declination (J2000) | +20° 52′ 38″ |
| Space velocity (relative to the Sun) | 40.2 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 10.76. Visible from the whole Northern Hemisphere and south to latitude 69° S. North of latitude 69° N it never sets. 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 1997. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 511 thousand years.
The Sun seen from there
From a planet around Gl 745B, the Sun would look like a star of magnitude 4.56, in the direction where our sky has the constellation Canis Major. It would be visible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.