IC 1620

IC 1620

IC 1620 is a barred spiral galaxy in the constellation Pisces about 533 million ly from Earth. It spans roughly 150,000 ly, about the width of our Milky Way. It is receding from us at about 11,401 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sbc
533 million ly
from Earth · from redshift
149k ly
across
14.6
apparent magnitude
11,401 km/s
receding (RC3)

Because its light is 533 million ly from home, you are seeing IC 1620 as it looked roughly 533 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 1645Elliptical21 million ly
apart
IC 1646Spiral21 million ly
apart
IC 62Barred spiral29 million ly
apart
IC 57Lenticular39 million ly
apart
NGC 511Elliptical46 million ly
apart
IC 75Barred spiral49 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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