← Back to dex
Common star 21 EP

HR 8564

RA 337.2926° · Dec 26.7632° · star

Loading sky survey…
🌌 View in 3D star map
Tonight’s visibility

Computing the sky for your location…

Score breakdown

· 3 badges
21 pts · Common
Common 24 pts → Uncommon
  • Distant (>1000 ly) +10
  • Naked-eye visible +8
  • Star +3
Total score 21

3 more points to reach Uncommon.

Badges

  • Star · +3
  • Distant (>1000 ly) · +10
  • Naked-eye visible · +8

Trivia

Could we get there?

  • Verdict. Impossible with our current technology — and the next millennium of it.

Getting there

  • Aboard Voyager 1. ≈ 22 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 2 million years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 12.5 thousand years in a starship at a tenth of light speed.
  • Distance. 1254 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 772.

Saying hello

  • Say hello. A radio message and its reply would take 2509 years round-trip.

Properties

absmag
-2.135
bv
1.252
constellation
Peg
dist ly
1254.4462
mag
5.79
name
HR 8564
spect
K2II
spacedle A daily roll through the real universe. © 2026 spacedle. Buy me a coffee

Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.