IC 3998
IC 3998
Illustration from its catalogued shape, not a photograph
Lenticular
type · S0
439 million ly
from Earth · from redshift
71k ly
across
14.6
apparent magnitude
Because its light is 439 million ly from home, you are seeing IC 3998 as it looked roughly 439 million years ago. The photons left before that much of history had passed, and are only now reaching us. This distance is estimated from the galaxy's redshift, so the lookback time is approximate.
Nearest galaxies
NGC 4858Barred spiral1.7 million ly
apartIC 4051Elliptical32 million ly
apartIC 4154Barred spiral35 million ly
apartIC 4044Lenticular40 million ly
apartIC 3559Barred spiral41 million ly
apartNGC 4895Lenticular42 million ly
apart
Worlds in the same direction on the sky→apartIC 4051Elliptical32 million ly
apartIC 4154Barred spiral35 million ly
apartIC 4044Lenticular40 million ly
apartIC 3559Barred spiral41 million ly
apartNGC 4895Lenticular42 million ly
apart
Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).