670 B
670 B
name | constellation | created_by | created_date | updated_by | updated_date |
---|---|---|---|---|---|
Lalande 21185 | UMa | editor.cs | 2023-11-05 16:27:00.569001 | editor.cs | 2023-11-05 16:27:00.569005 |
The nearby red dwarf, which has a brightness of 7.49 mag, is located at a distance of 8.1 light-years and is our fourth closest star after the Alpha Centauri system, Barnard's Star from Ophiuchus, and Wolf 359 from Leo. It has the 8th largest known proper motion - it moves across the sky by 4.78" per year. This red dwarf has an absolute magnitude of +10.5, which corresponds to a luminosity of 0.0048 times that of the Sun. Lalande 21185 has a companion, but it has never been visually observed.