Star · Y
CWISEP J193518.59-154620.3
CWISEP J193518.59-154620.3 is a main-sequence star of spectral type Y in the constellation Sagittarius, 47.1 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Constellation | Sagittarius |
|---|---|
| Distance | 47.1 light-years (14.4 pc) |
| Apparent magnitude | magnitude 23.30 |
| Absolute magnitude | magnitude 22.50 |
| Spectral type | Y |
| Surface temperature | 5,780 K |
| Luminosity | 9.25 × 10⁻⁸ L☉ |
| Radius | 3.03 × 10⁻⁴ R☉ |
| Mass | 0.024 M☉ (estimated) |
| Age | 5.5 billion years |
| Right ascension (J2000) | 19h 35m 18.3s |
| Declination (J2000) | −15° 46′ 21″ |
In the sky
A telescope is needed to see it: its apparent magnitude is 23.30. Visible from the whole Southern Hemisphere and north to latitude 74° N. South of latitude 74° S 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 1979. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 835 thousand years.
The Sun seen from there
From a planet around CWISEP J193518.59-154620.3, the Sun would look like a star of magnitude 5.63, in the direction where our sky has the constellation Gemini. It would be visible to the naked eye.
Planets
- CWISEP J193518.59-154620.3 b 12.2 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- CWISEP J193518.59-154620.3 0.23 light-years
- Gl 770 7.62 light-years
- Gl 782 9.39 light-years
- WISE J201920.76-114807.5 10.7 light-years
- GJ 2138 11.4 light-years
- GJ 1240 11.4 light-years
- Gl 722 12.1 light-years
- GJ 4133 12.2 light-years
Position, brightness and colour from the HYG / AT-HYG catalogue; temperature, luminosity, radius and mass are approximate values computed from these observations.