NGC 497

NGC 497

NGC 497 is a barred spiral galaxy in the constellation Cetus about 379 million ly from Earth. It spans roughly 230,000 ly, about 2.3 times the width of our Milky Way. It is receding from us at about 8,114 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · SBbc
379 million ly
from Earth · from redshift
227k ly
across
13.0
apparent magnitude
8,114 km/s
receding (RC3)

Because its light is 379 million ly from home, you are seeing NGC 497 as it looked roughly 379 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 1697Lenticular24 million ly
apart
IC 76Lenticular36 million ly
apart
IC 121Barred spiral49 million ly
apart
IC 123Elliptical52 million ly
apart
IC 91Galaxy55 million ly
apart
IC 172Barred spiral55 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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