IC 4995

IC 4995

IC 4995 is a lenticular galaxy in the constellation Telescopium about 225 million ly from Earth. It spans roughly 78,000 ly, about 78% of our Milky Way's width. It is receding from us at about 4,700 km/s.

Illustration from its catalogued shape, not a photograph

Lenticular
type · S0
225 million ly
from Earth · from redshift
78k ly
across
14.1
apparent magnitude
4,700 km/s
receding (RC3)

Because its light is 225 million ly from home, you are seeing IC 4995 as it looked roughly 225 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 6937Barred spiral12 million ly
apart
IC 5001Lenticular13 million ly
apart
IC 5002Lenticular13 million ly
apart
NGC 6850Lenticular14 million ly
apart
NGC 6935Spiral14 million ly
apart
IC 4933Barred spiral15 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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