Acrux

Alp1Cru

Add one script tag to your page:

<div data-starfyi="entity" data-slug="acrux"></div>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>

Embed as an iframe:

<iframe src="https://starfyi.com/iframe/entity/acrux/?style=modern&theme=light" width="420" height="400" frameborder="0" loading="lazy" style="border:0;border-radius:10px;max-width:100%"></iframe>

Paste the URL in WordPress, Medium, or Ghost:

https://starfyi.com/star/acrux/

Shields.io-compatible SVG badge:

Acrux badge ![Acrux](https://starfyi.com/badge/entity/acrux.svg)

Web Component:

<starfyi-entity slug="acrux"></starfyi-entity>
<script src="https://cdn.jsdelivr.net/npm/starfyi-embed@1/dist/embed.min.js" defer></script>

The southernmost of the four bright stars forming the Southern Cross, Acrux sits at a declination of −63°, deep in the constellation Crux and permanently invisible from mid-northern latitudes. Designated Alpha Crucis, it is a blue-white B-type star with a hot, negative B–V index of −0.243. At apparent magnitude 0.77 it is the brightest member of the Cross, and its absolute magnitude of −4.2 confirms a luminosity many times the Sun's, holding its brightness across a distance of about 322 light-years. Acrux is one of the most important navigational stars of the southern celestial hemisphere.

Physical Properties

Spectral Class B Class B — B-type (Blue-White)
Color Index (B−V) -0.243

Observation

Apparent Magnitude +0.77
Absolute Magnitude -4.20
Distance 322 ly
Constellation Crux

Position

Right Ascension 12h 26.60m
Declination -63° 5.95′

Frequently Asked Questions

What type of star is Acrux?
Acrux is a Class B — B-type (Blue-White) star.
How far is Acrux from Earth?
Acrux is approximately 322.0 light-years from Earth.
Can you see Acrux with the naked eye?
With an apparent magnitude of 0.77, Acrux is visible to the naked eye.
What constellation is Acrux in?
Acrux is located in the constellation Crux.