IC 198

IC 198

IC 198 is a barred spiral galaxy in the constellation Pisces about 433 million ly from Earth. It spans roughly 130,000 ly, about the width of our Milky Way. It is receding from us at about 9,414 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sbc
433 million ly
from Earth · from redshift
127k ly
across
14.8
apparent magnitude
9,414 km/s
receding (RC3)

Because its light is 433 million ly from home, you are seeing IC 198 as it looked roughly 433 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 199Spiral2.6 million ly
apart
IC 202Barred spiral7.2 million ly
apart
IC 214Barred spiral36 million ly
apart
IC 1786Galaxy38 million ly
apart
IC 1779Galaxy45 million ly
apart
NGC 766Elliptical57 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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