Admin How hot is the star Hadar?
Hadar (Beta Centauri)
| visual magnitude | 0.61 |
|---|---|
| spectral type | B1III |
| surface temperature | 25,500 K |
| luminosity | 112,00 Lsun |
| distance | 525 light-years |
What kind of star is Hadar?
B-type stars
Beta Centauri, also called Hadar or Agena, second brightest star (after Alpha Centauri) in the southern constellation Centaurus and the 10th brightest star in the sky. Beta Centauri is about 390 light-years from Earth. It is a system of three B-type stars.
How far is the star Alpha Centauri from Earth?
4.367 light years
Alpha Centauri/Distance to Earth
Can you see Centaurus?
Centaurus is the ninth largest constellation in the sky, occupying an area of 1060 square degrees. It lies in the third quadrant of the southern hemisphere (SQ3) and can be seen at latitudes between +25° and -90°. The neighboring constellations are Antlia, Carina, Circinus, Crux, Hydra, Libra, Lupus, Musca, and Vela.
How big is Hadar?
3.7177 million mi
Beta Centauri/Radius
What is the lifespan of Hadar?
Hadar – Beta Centauri
| Spectral class | B1 III + B1 III + B1V |
|---|---|
| Proper motion | RA: –33.27 mas/yr |
| Dec.: –23.16 mas/yr | |
| Luminosity | 41,700 L☉ |
| Age | 14.1 ± 0.6 million years |
How far is Centaurus from Earth?
4.37 light years
It has a visual magnitude of -0.01 and is the third brightest star in the night sky. It is the closest star system to Earth at a distance of only 4.37 light years. The second brightest star in the constellation is Hadar.
Is Polaris a white dwarf?
The companion stars (Polaris Ab and Polaris B) are both yellow-white dwarfs. Polaris is the brightest star in Ursa Minor.