Delta Crucis or δ Crucis, also identified as Imai (/ ˈiːmaɪ /), is a star in the southern constellation of Crux, and is the faintest of the four bright stars that form the prominent asterism known as the Southern Cross.

2019年10月7日 · Imai, Delta Crucis (δ Cru) is a blue-white subgiant star located in the constellation Crux. With an apparent magnitude of 2.79, it is the fourth brightest star in the constellation. Together with the brighter Acrux, Mimosa and Gacrux, it forms the Southern Cross.

Imai, also designated as δ Crucis, is a variable sub-giant star of magnitude 2.8 in the constellation of Crux. Find complete information about Imai on TheSkyLive.com.

A light curve for DL Crucis, plotted from Hipparcos data [9]. In 1977 DL Crucis, then referred to as HR 4653, was being used as a comparison star to test the variability of δ Crucis. δ Crucis turned out to be constant relative to several other stars, but the difference in brightness between it and HR 4653 changed by 0.02 magnitude. [10] It was considered likely to be a variable with a …

Imai (Delta Crucis) is a blue subgiant star in the constellation of Crux. It can be seen in the southern hemisphere night sky. Imai distance from Earth is 345.15 light years away.

Imai is the fourth brightest star in the constellation of Crux. Designated as Delta Crucis, it is a blue-white subgiant star with an apparent magnitude of 2.79. Imai is around 10,000 times brighter than our Sun, and has 890% of its mass and 800% of its radius. It …

2020年7月14日 · Imai, designated as Delta Crucis, is a blue-white subgiant star with an apparent magnitude of 2.79, it is the fourth brightest star in the constellation of Crux. Imai is located at around 345 light-years away from us.

2020年7月14日 · Imai, designated as Delta Crucis, it is the fourth brightest star in the constellation of Crux. Imai is a blue-white subgiant star with an apparent magnitude of 2.79. Imai is located at around 345 light-years away from us.

Delta Crucis (δ Crucis) - at mag. +2.78, is the faintest of the four stars of the Cross. It's a blue-white subgiant star (spectral type: B2IV), located about 360 light-years from Earth. Both the distance and the spectral type of Delta Crucis are similar to Acrux and Mimosa.

Delta Crucis (δ Cru) is a spectral class B2IV star of magnitude 2.79 located in the constellation Crux. δ Cru is one of the brighter stars in Crux and can be seen by the naked eye under dark skies or with binoculars.