Star · G2V
KMT-2021-BLG-1105L
KMT-2021-BLG-1105L is a main-sequence star of spectral type G2V in the constellation Ophiuchus, 14,800 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Ophiuchus |
|---|---|
| Distance | 14,800 light-years (4,540 pc) |
| Apparent magnitude | magnitude 20.58 |
| Absolute magnitude | magnitude 7.29 |
| Spectral type | G2V |
| Surface temperature | 5,780 K |
| Luminosity | 0.112 L☉ |
| Radius | 0.334 R☉ |
| Mass | 0.63 M☉ (estimated) |
| Right ascension (J2000) | 17h 42m 55.7s |
| Declination (J2000) | −25° 30′ 32″ |
In the sky
A telescope is needed to see it: its apparent magnitude is 20.58. Visible from the whole Southern Hemisphere and north to latitude 64° N. South of latitude 64° S it never sets. It stands highest at midnight in June, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out 15 thousand years ago. At that time Homo sapiens was spreading out of Africa; there was no farming yet. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 263 million years.
The Sun seen from there
From a planet around KMT-2021-BLG-1105L, the Sun would look like a star of magnitude 18.12, in the direction where our sky has the constellation Taurus. It would be invisible to the naked eye.
Planets
- KMT-2021-BLG-1105L b 13.6 R⊕
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.