IC 4828

IC 4828

IC 4828 is a barred spiral galaxy in the constellation Pavo about 177 million ly from Earth. It spans roughly 58,000 ly, about 58% of our Milky Way's width. It is receding from us at about 3,919 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sbc
177 million ly
from Earth · from redshift
58k ly
across
14.8
apparent magnitude
3,919 km/s
receding (RC3)

Because its light is 177 million ly from home, you are seeing IC 4828 as it looked roughly 177 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 6769Spiral5.2 million ly
apart
NGC 6776ABarred spiral6.5 million ly
apart
NGC 6770Barred spiral6.6 million ly
apart
NGC 6706Elliptical6.9 million ly
apart
IC 4820Spiral8.3 million ly
apart
IC 4833Spiral8.8 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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