NGC 7042

NGC 7042

NGC 7042 is a barred spiral galaxy in the constellation Pegasus about 238 million ly from Earth. It spans roughly 120,000 ly, about the width of our Milky Way. It is receding from us at about 5,180 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sb
238 million ly
from Earth · from redshift
123k ly
across
12.9
apparent magnitude
5,180 km/s
receding (RC3)

Because its light is 238 million ly from home, you are seeing NGC 7042 as it looked roughly 238 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 7043Spiral2.0 million ly
apart
NGC 7068Spiral15 million ly
apart
NGC 7025Spiral15 million ly
apart
NGC 7015Barred spiral16 million ly
apart
IC 1359Spiral19 million ly
apart
NGC 7028Spiral24 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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