NGC 3783

NGC 3783

NGC 3783 is a barred spiral galaxy in the constellation Centaurus about 136 million ly from Earth. It spans roughly 85,000 ly, about the width of our Milky Way. It is receding from us at about 2,926 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBa
136 million ly
from Earth · from redshift
85k ly
across
12.7
apparent magnitude
2,926 km/s
receding (RC3)

Because its light is 136 million ly from home, you are seeing NGC 3783 as it looked roughly 136 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 3903Spiral5.6 million ly
apart
NGC 3706Elliptical6.3 million ly
apart
NGC 3742Spiral6.6 million ly
apart
NGC 3749Spiral6.9 million ly
apart
IC 2977Irregular8.1 million ly
apart
NGC 3557BElliptical14 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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