Star · G0Vvar
HD 141004
HD 141004 is a main-sequence star of spectral type G0Vvar in the constellation Serpens, 38.9 light-years from the Sun. It is orbited by 1 confirmed exoplanet(s).
| Other names | λ Ser · Gl 598 · HIP 77257 |
|---|---|
| Constellation | Serpens |
| Distance | 38.9 light-years (11.9 pc) |
| Apparent magnitude | magnitude 4.42 |
| Absolute magnitude | magnitude 4.04 |
| Spectral type | G0Vvar |
| Surface temperature | 5,890 K |
| Luminosity | 2.22 L☉ |
| Radius | 1.39 R☉ |
| Mass | 1.05 M☉ |
| Age | 6.3 billion years |
| Metallicity [Fe/H] | 0.02 |
| Right ascension (J2000) | 15h 46m 26.6s |
| Declination (J2000) | +7° 21′ 10″ |
| Space velocity (relative to the Sun) | 67.7 km/s |
In the sky
Visible to the naked eye under a dark sky (apparent magnitude 4.42). Visible from the whole Northern Hemisphere and south to latitude 83° S. It stands highest at midnight in May, the best time to observe it.
Through a telescope from Earth
Light's journey
The light you see tonight set out around the year 1987. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 689 thousand years.
The Sun seen from there
From a planet around HD 141004, the Sun would look like a star of magnitude 5.21, in the direction where our sky has the constellation Eridanus. It would be visible to the naked eye.
Planets
- HD 141004 b 15.5-day orbit · 3.77 R⊕
Neighbours
Its nearest neighbours in the catalogue (within 20 light-years):
- γ Ser 6.19 light-years
- 2MASSI J1553022+153236 7.53 light-years
- 2MASSW J1506544+132106 7.70 light-years
- PSO J247.3273+03.5932 7.88 light-years
- Ross 508 7.90 light-years
- SDSSp J162414.37+002915.6 8.25 light-years
- WISEPA J161441.45+173936.7 9.60 light-years
- WISEPA J161705.75+180714.3 9.63 light-years
Stellar parameters from the NASA Exoplanet Archive; position and brightness from the HYG / AT-HYG catalogue.