Star · Scorpius
Sharjah
Knowledge graphHIP 79431
Scientific overview
Sharjah is a star in the constellation Scorpius (Scorpii), lying about 46.96 light-years from Earth.
Physical properties
| Apparent magnitude | 11.34 |
| Absolute magnitude | 10.55 |
| Luminosity (Sun = 1) | 0.005 |
| Colour index (B−V) | 1.486 |
| Distance | 46.96 ly (14.4 pc) |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
Precision measurements
Astrometry and astrophysics from SIMBAD and Gaia DR3 · Gaia DR3 6245870673116518784
| Parallax | 68.61 ± 0.0287 mas | SIMBAD · measured |
| Distance | 14.5644 pc | Gaia · estimated |
| Proper motion (RA) | 36.447 mas/yr | SIMBAD · measured |
| Proper motion (Dec) | -214 mas/yr | SIMBAD · measured |
| Radial velocity | -4.656 ± 0.196 km/s | SIMBAD · measured |
| Spectral type | M3V | SIMBAD · catalogued |
| Effective temperature | 3141.1 K | Gaia · modeled |
| Radius | 0.6022 R_sun | Gaia · modeled |
| Surface gravity (log g) | 3.9921 log(cm/s^2) | Gaia · modeled |
| Metallicity [M/H] | -0.8264 dex | Gaia · modeled |
| Right ascension (ICRS) | 243.2 deg | SIMBAD · measured |
| Declination (ICRS) | -18.8755 deg | SIMBAD · measured |
Full field-level provenance
- Parallax: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · plx_value · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
- Distance: ESA Gaia astrometric survey · Gaia EDR3 · Bailer-Jones (2021) · external.gaiaedr3_distance · r_med_geo · row 6245870673116518784 · Bayesian estimate · retrieved 2026-07-11
- Proper motion (RA): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmra · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
- Proper motion (Dec): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · pmdec · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
- Radial velocity: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · rvz_radvel · 2015ApJ...802L..10T · direct catalogue measurement · retrieved 2026-07-11
- Spectral type: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · sp_type · 2006AJ....132..161G · catalogue identifier/value · retrieved 2026-07-11
- Effective temperature: ESA Gaia astrometric survey · Gaia DR3 · gaiadr3.astrophysical_parameters · teff_gspphot · row 6245870673116518784 · model output · retrieved 2026-07-11
- Radius: ESA Gaia astrometric survey · Gaia DR3 · gaiadr3.astrophysical_parameters · radius_gspphot · row 6245870673116518784 · model output · retrieved 2026-07-11
- Surface gravity (log g): ESA Gaia astrometric survey · Gaia DR3 · gaiadr3.astrophysical_parameters · logg_gspphot · row 6245870673116518784 · model output · retrieved 2026-07-11
- Metallicity [M/H]: ESA Gaia astrometric survey · Gaia DR3 · gaiadr3.astrophysical_parameters · mh_gspphot · row 6245870673116518784 · model output · retrieved 2026-07-11
- Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
- Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2020yCat.1350....0G · direct catalogue measurement · retrieved 2026-07-11
measured = direct catalogue value · estimated = Bayesian inference (Bailer-Jones distance) · modeled = model output (Gaia GSP-Phot). Fields a source did not provide are omitted, never invented.
Location in the sky
Knowledge connections
- In constellationScorpius
- Orbited byHIP 79431 b
Related stars in Scorpius
Sources
The primary and reference sources this topic draws on.
- HYG DatabaseHYG Database (Hipparcos + Yale Bright Star + Gliese), by D. Nash / astronexus
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
- HipparcosESA Hipparcos space astrometry mission
High-precision parallax, magnitude, and position for ~118,000 stars.