Kruger 60
Encyclopedia : K : KR : KRU : Kruger 60
|- style="vertical-align: top;" | B-V color index | |- style="vertical-align: top;" | U-B color index | |- style="vertical-align: top;" | Variable type |
|- ! style="background-color: #FFFFC0;" colspan="2" | Details |- |style="vertical-align: baseline;" | Mass | M☉ |- |style="vertical-align: baseline;" | Radius | R☉ |- |style="vertical-align: baseline;" | Luminosity | L☉ |- |style="vertical-align: baseline;" | Temperature | K |- |style="vertical-align: baseline;" | Metallicity | |- |style="vertical-align: baseline;" | Rotation | |- |style="vertical-align: baseline;" | Age | })<()or(}})=()and(}})<())}}} years
|- ! style="background-color: #FFFFC0;" colspan="2" | Visual binary orbit |- style="vertical-align: top;" | Companion | Kruger 60 B |- style="vertical-align: top;" | Period (P) | 44.67 years |- style="vertical-align: top;" | Semimajor axis (a) | 2.383" |- style="vertical-align: top;" | Eccentricity (e) | 0.41 |- style="vertical-align: top;" | Inclination (i) | 167.2° |- style="vertical-align: top;" | Node (Ω) | 154.5° |- style="vertical-align: top;" | Periastron epoch (T) | 1970.22
|- ! style="background-color: #FFFFC0;" colspan="2" | Other designations |- | colspan="2" |
On average, the two stars are separated by 9.5 AUs, which is roughly the average distance of Saturn from the Sun. However, their eccenctric mutual orbit causes their distance to vary between 5.5 AUs at periastron, to 13.5 at apastron.
Reference
James Kaler, Extreme Stars, (Cambridge: Cambridge UP, 2001), p. 32.See also
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