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Rare star 45 EP

HR 849

RA 43.3378° · Dec 48.5700° · star

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Score breakdown

· 5 badges
45 pts · Rare
Rare 50 pts → Epic
  • Supergiant +18
  • Intrinsically luminous (Mv < −2) +10
  • Sun-like G-type star +8
  • Distant (over 1,000 light-years) +6
  • Star +3
Total score 45

5 more points to reach Epic.

Badges

  • Star · +3
  • Distant (over 1,000 light-years) · +6
  • Sun-like G-type star · +8
  • Supergiant · +18
  • Intrinsically luminous (Mv < −2) · +10

Trivia

What it actually is

  • Spectral class. Its spectrum reads G5Iab: — a G-type star: the very same spectral class as our own Sun.
  • Where it is in life. It is a supergiant. Drop it where the Sun is and its surface would engulf the inner planets.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 6.2 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Perseus.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around November — that's when to go looking.

Could we get there?

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

Getting there

  • Aboard Voyager 1. ≈ 31 million years at Voyager 1's speed (17 km/s).

Properties

absmag
-2.434
bv
1.18
constellation
Per
dist ly
1763.0053
luminosity
819.5963
mag
6.23
name
HR 849
spect
G5Iab:

About HR 849

HR 849 is a rare star. It lies about 1,763 light-years from Earth, sits in the constellation Per, shines at apparent magnitude 6.23 and has spectral type G5Iab:.

Its spectrum reads G5Iab: — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HR 849 in the constellation Per. At apparent magnitude 6.23, it is an easy target for binoculars.

Like any astronomical target, HR 849 is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why HR 849 is a rare star

HR 849 scores 45 points on Spacedle's rarity scale, which places it in the rare tier. Another 5 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Distant (over 1,000 light-years), Sun-like G-type star, Supergiant and Intrinsically luminous (Mv < −2) — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.