F-type star · yellow-white star

HR 4557

HR 4557 is a yellow-white star in the constellation Centaurus 165 ly from Earth. Its surface is about 6,265 K, about 1.1 times the Sun's surface temperature, and it shines at 5.81× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 165 years ago.

165 lybrightness mag 6.46F7V

Also catalogued as HD 103437 · HIP 58057 · Gliese Gl 452.2A

6,265 K

temperature

6.46

apparent magnitude

5.81× ☉

luminosity vs Sun

F7V

spectral type

Distance & comparison with our Sun

165 years

at light speed from Earth

1.09×

as hot as the Sun

5.81×

the Sun's light output

2.94

absolute magnitude

Explore from here · roam the neighborhood

HR 4557F-type

Sky regionCentaurusthis direction

Nearest stars

Bright stars in Centaurus

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BINOCULARS NEEDED

Brightness mag 6.5To see it 50 mm binocularsLook toward Centaurus

Star data from the HYG database v4.2 (Astronexus, CC BY-SA 4.0). Temperature and colour computed by gravityfinder from the B-V colour index; the illustration is generated from that temperature, not a photograph.