IC 4827

IC 4827

IC 4827 is a spiral galaxy in the constellation Pavo about 203 million ly from Earth. It spans roughly 180,000 ly, about 1.8 times the width of our Milky Way. It is receding from us at about 4,355 km/s.

Illustration from its catalogued shape, not a photograph

Spiral
type · Sab
203 million ly
from Earth · from redshift
180k ly
across
13.3
apparent magnitude
4,355 km/s
receding (RC3)

Because its light is 203 million ly from home, you are seeing IC 4827 as it looked roughly 203 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 4836Barred spiral4.0 million ly
apart
IC 4831Barred spiral5.3 million ly
apart
NGC 6739Lenticular5.5 million ly
apart
IC 4830Barred spiral7.1 million ly
apart
IC 4852Barred spiral7.7 million ly
apart
IC 4838Barred spiral7.8 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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