Loading…
Loading contentLoading…
Loading contentHR 2405 is a star in the constellation Auriga (Aurigae).
Class C (carbon star). Cool carbon stars — evolved red giants whose atmospheres hold more carbon than oxygen, giving them a striking deep-red, ruby colour. Such stars have surface temperatures around ≤ 3,200 K and appear deep red to the eye.
| Spectral type | C5II |
| Luminosity class | II |
| Apparent magnitude | 5.4 |
| Absolute magnitude | -14.6 |
| Luminosity (Sun = 1) | 60,255,959 |
| Colour index (B−V) | 2.773 |
Values are real catalogue data; fields without a reliable value are omitted, never estimated.
Facts on this topic will be cited from these primary and reference sources.
Aggregated, openly-licensed star catalogue combining Hipparcos, the Yale Bright Star Catalogue, and the Gliese Catalogue of Nearby Stars.
High-precision parallax, magnitude, and position for ~118,000 stars.