Parsecs

Lando gives the heads-up that no one has ever made the “Kessel Run” in under 12 parsecs, and since the fuel is already degrading, Han fires up the old Falcon and makes it back in under 12 parsecs.

From Cloud City to Sin City in less than twelve parsecs!

For more information on the Kessel Run, have a peek at our very special how 12 parsecs makes sense article.

Trappist-1 is 40 light-years (12 parsecs) away from us.

At a distance of 2.6 parsecs (8.6 ly), the Sirius system contains two of the eight nearest stars to the Solar System (not including the Sun), and is the fifth closest stellar system to ours (again not including the Sun).

Data from Hipparcos yielded a surprising result, namely a distance of only 118 parsecs by measuring the parallax of stars in the cluster—a technique that should yield the most direct and accurate results.

Distances in parsecs Distances less than a parsec Distances expressed in fractions of a parsec usually involve objects within a single star system.

For objects at very large distances (outside the Milky Way) the luminosity distance must be used instead of (in parsecs), because the Euclidean approximation is invalid for distant objects and general relativity must be taken into account.

Galaxies (and other extended objects ) are much larger than 10 parsecs, their light is radiated over an extended patch of sky, and their overall brightness cannot be directly observed from relatively short distances, but the same convention is used.

Intrinsic or absolute magnitude is directly related to a star's luminosity, and is what the apparent magnitude a star would be if the distance between the Earth and the star were 10 parsecs (32.6 light-years).

It has a spectral class of B9 and is 40 parsecs from Earth.

It is 16.7 light-years (5.13 parsecs ) from Earth and is one of the closest stars visible to the naked eye.

It is equivalent to 4,550 million parsecs or 14.4 billion light years.

It isn't even known exactly what a type Ia progenitor system looks like, and difficult to detect them beyond a few parsecs.

Megaparsecs and gigaparsecs A distance of one million parsecs is commonly denoted by the megaparsec (Mpc).

Proxima is at the slightly smaller distance of 1.29 parsecs or 4.24 light years from the Sun, making it the closest star to the Sun, even though it is not visible to the naked eye.

Results prior to the launch of the Hipparcos satellite generally found that the Pleiades were about 135 parsecs away from Earth.

The absolute magnitude M, of a star or astronomical object is defined as the apparent magnitude it would have as seen from a distance of 10 parsecs (about 32.6 light years ).

The absolute magnitude of the Sun is 4.83, and at a distance of 1.834 parsecs, it would be a first-magnitude star, as Pollux is from the Earth.

The closest large neighbouring star to Sirius is Procyon, 1.61 parsecs (5.24 ly) away.