Lalande 21185
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| Radius | 273,530 km |
|---|---|
| Mass | 9. 149 × 10^29 kg (0. 46 M☉) |
| Surface temperature | 3,828 K |
| U−B color index | +1. 074 |
| B−V color index | +1. 444 |
| Apparent magnitude (B) | 8. 960 ± 0. 007 |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2247729 |
About Lalande 21185
Lalande 21185 is a star in the constellation of Ursa Major, relevant for being the brightest red dwarf observable in the northern hemisphere. Despite this, and although relatively close by, it is very dim, being only magnitude 7. 5 in visible light and thus too dim to be seen with the unaided eye.
Lalande 21185 Photos
