NGC 7734

NGC 7734

NGC 7734 is a barred spiral galaxy in the constellation Tucana about 492 million ly from Earth. It spans roughly 200,000 ly, about 2.0 times the width of our Milky Way. It is receding from us at about 10,574 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBb
492 million ly
from Earth · from redshift
201k ly
across
13.1
apparent magnitude
10,574 km/s
receding (RC3)

Because its light is 492 million ly from home, you are seeing NGC 7734 as it looked roughly 492 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 7733Barred spiral18 million ly
apart
IC 5277Spiral50 million ly
apart
IC 5302Lenticular56 million ly
apart
IC 5221Spiral65 million ly
apart
NGC 7652Spiral73 million ly
apart
IC 5202Barred spiral74 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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