Asellus australis
Star Asellus australis (δ Cancri) |
|||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
AladinLite | |||||||||||||||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||||||||||||||||||||
Constellation | cancer | ||||||||||||||||||||
Right ascension | 08 h 44 m 41.1 s | ||||||||||||||||||||
declination | + 18 ° 09 ′ 15.5 ″ | ||||||||||||||||||||
Apparent brightness | 3.94 likes | ||||||||||||||||||||
Typing | |||||||||||||||||||||
B − V color index | (1.08) | ||||||||||||||||||||
U − B color index | (0.99) | ||||||||||||||||||||
R − I index | (0.54) | ||||||||||||||||||||
Spectral class | K0 + IIIb | ||||||||||||||||||||
Astrometry | |||||||||||||||||||||
Radial velocity | (17.14 ± 0.19) km / s | ||||||||||||||||||||
parallax | (24.63 ± 0.31) mas | ||||||||||||||||||||
distance | (132 ± 2) ly (40) pc |
||||||||||||||||||||
Proper movement | |||||||||||||||||||||
Rec. Share: | (−17.67 ± 0.27) mas / a | ||||||||||||||||||||
Dec. portion: | (−229.26 ± 0.18) mas / a | ||||||||||||||||||||
Physical Properties | |||||||||||||||||||||
Effective temperature | (4700) K | ||||||||||||||||||||
Other names and catalog entries |
|||||||||||||||||||||
|
Asellus Australis (Latin for "southern donkey ") is the proper name of the star δ Cancri (Delta Cancri) in the constellation Cancer . It belongs to the spectral class K0 and has an apparent brightness of +3.9 mag.
Asellus Australis is about 130 light years from Earth . He may as ekliptiknaher star from the moon and (very rarely) by planets covered are.
In Greek mythology , Asellus Australis (second brightest fixed star in Cancer) and the somewhat weaker Asellus Borealis ( northern donkey ) represent the two pack animals that carried the god Dionysus over a river on one of his wanderings through the Middle East and were moved to thank heaven . They stand there on both sides of the shimmering star cluster of the crib ( Praesepe or M44 ) and enjoy the food.
See also
- Asellus Primus (boats)
- Asellus Secundus