IC 4837A

IC 4837A

IC 4837A is a barred spiral galaxy in the constellation Telescopium about 134 million ly from Earth. It spans roughly 170,000 ly, about 1.7 times the width of our Milky Way. It is receding from us at about 4,000 km/s.

Illustration from its catalogued shape, not a photograph

Barred spiral
type · Sb
134 million ly
from Earth · from redshift
174k ly
across
11.7
apparent magnitude
4,000 km/s
receding (RC3)

Because its light is 134 million ly from home, you are seeing IC 4837A as it looked roughly 134 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 4839Barred spiral6.9 million ly
apart
IC 4837Barred spiral7.4 million ly
apart
IC 4821Spiral7.5 million ly
apart
IC 4782Spiral8.8 million ly
apart
NGC 6788Spiral9.9 million ly
apart
IC 4796Lenticular10 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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