Regulus B and you will Regulus C share a familiar right motion

Regulus B and you will Regulus C share a familiar right motion

They are located at an angular point off 177 arch mere seconds off Regulus An effective. He could be dimmer chief succession a-listers with an evident magnitude away from 8.fourteen and you may 13.5. Regulus B try a K2V star plus the partner is assumed is a purple dwarf of your spectral particular M4V. Both celebrities is actually broke up because of the from the 100 astronomical systems and you may have an orbital age of 2,100000 age.

The primary superstar away from Regulus A was an early on superstar, not all the billion years old, features step 3.5 times this new mass of one’s Sunshine. New star try an exceptionally timely rotator, with an excellent rotation ages of just 15.nine times. This means that, it’s got a keen oblate figure. Whether it have been spinning 16% quicker, brand new centripetal push provided with new star’s the law of gravity would not be sufficient to support the superstar along with her.

Leader Leonis ‘s the closest brilliant superstar to your ecliptic. Ergo, it is daily occulted of the Moon and, scarcely, from the Mercury and you may Venus.

On north hemisphere, Regulus is the better observed in the night time in the late cold temperatures and you can spring season. Truly the only time of the year if the star can not be seen is actually for 1 month toward either side out-of August 22, in the event it lays too close to the Sunrays. Продовжити читання “Regulus B and you will Regulus C share a familiar right motion”