Star · M4V
ULAS J123828.51+095351.3
ULAS J123828.51+095351.3 is a main-sequence star of spectral type M4V in the constellation Virgo, 75.0 light-years from the Sun.
| Constellation | Virgo |
|---|---|
| Distance | 75.0 light-years (23.0 pc) |
| Apparent magnitude | magnitude 26.45 |
| Absolute magnitude | magnitude 24.64 |
| Spectral type | M4V |
| Surface temperature | 2,980 K |
| Luminosity | 2.19 × 10⁻⁷ L☉ |
| Radius | 0.00176 R☉ |
| Mass | 0.075 M☉ (estimated) |
| Right ascension (J2000) | 12h 38m 28.7s |
| Declination (J2000) | +9° 53′ 51″ |
| Space velocity (relative to the Sun) | 48.9 km/s |
In the sky
A telescope is needed to see it: its apparent magnitude is 26.45. Visible from the whole Northern Hemisphere and south to latitude 80° S. It stands highest at midnight in March, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1951. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 1.3 million years.
The Sun seen from there
From a planet around ULAS J123828.51+095351.3, the Sun would look like a star of magnitude 6.64, in the direction where our sky has the constellation Cetus. It would be invisible to the naked eye.
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- GJ 3751 5.20 light-years
- Gl 464 7.51 light-years
- GJ 1155A 11.6 light-years
- GJ 1155B 11.6 light-years
- SDSS J120747.17+024424.8 13.7 light-years
- ULAS J124804.56+075904.0 13.7 light-years
- GJ 3734 13.8 light-years
- SDSS J115553.86+055957.5 15.2 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.