K-type star · orange dwarf

HD 21242

HD 21242 is an orange dwarf in the constellation Aries 168 ly from Earth. Its surface is about 5,045 K, about 0.9 times the Sun's surface temperature, and it shines at 5.99× the Sun's brightness. At magnitude 6.5 it is within reach of 50 mm binoculars; the light you see left it 168 years ago.

168 lybrightness mag 6.47G5IV

Also catalogued as HIP 16042

5,045 K
temperature
6.47
apparent magnitude
5.99× ☉
luminosity vs Sun
G5IV
spectral type
Distance & comparison with our Sun
168 years
at light speed from Earth
0.87×
as hot as the Sun
5.99×
the Sun's light output
2.91
absolute magnitude
Explore from here · roam the neighborhood
HD 21242K-type
Sky regionAriesthis direction
StarHR 97518 ly
StarHR 116420 ly
StarHR 91623 ly
StarHamalstar
StarSheratanstar
Nearest stars
Bright stars in Aries
Can you see it tonight?
BINOCULARS NEEDED
Brightness mag 6.5To see it 50 mm binocularsLook toward Aries

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.