IC 3407

IC 3407

IC 3407 is a barred spiral galaxy in the constellation Coma Berenices about 327 million ly from Earth. It spans roughly 92,000 ly, about the width of our Milky Way. It is receding from us at about 7,072 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBb
327 million ly
from Earth · from redshift
92k ly
across
14.6
apparent magnitude
7,072 km/s
receding (RC3)

Because its light is 327 million ly from home, you are seeing IC 3407 as it looked roughly 327 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
IC 3406Barred spiral970,000 ly
apart
IC 3454Barred spiral3.6 million ly
apart
IC 3336Spiral6.4 million ly
apart
IC 3515Barred spiral6.6 million ly
apart
IC 3376Barred spiral7.4 million ly
apart
IC 3450Spiral7.6 million ly
apart
Worlds in the same direction on the sky

Source: structural data (position, morphology, brightness, redshift) from OpenNGC (CC BY-SA). Recession velocity from RC3 (de Vaucouleurs et al. 1991, via NASA/HEASARC, public domain). Distance computed by gravityfinder from redshift via Hubble's law (H0 = 70 km/s/Mpc).

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