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Rare star 45 EP

HD 53003

RA 105.8940° · Dec 2.4373° · 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 G0Ib — a G-type star: the very same spectral class as our own Sun.
  • Where it is in life. It is a supergiant, hundreds of times wider than the Sun.

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 7 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Monoceros.
  • Seen from everywhere. It sits almost on the celestial equator, so it can be seen from essentially anywhere on Earth.
  • Best time of year. It stands highest in the middle of the night around January — 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. ≈ 43.1 million years at Voyager 1's speed (17 km/s).

Properties

absmag
-2.391
bv
0.843
constellation
Mon
dist ly
2452.3008
luminosity
787.771
mag
6.99
name
HD 53003
spect
G0Ib

About HD 53003

HD 53003 is a rare star. It lies about 2,452.3 light-years from Earth, sits in the constellation Mon, shines at apparent magnitude 6.99 and has spectral type G0Ib.

Its spectrum reads G0Ib — a G-type star: the very same spectral class as our own Sun.

How to see it

Look for HD 53003 in the constellation Mon. At apparent magnitude 6.99, it is an easy target for binoculars.

Like any astronomical target, HD 53003 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 HD 53003 is a rare star

HD 53003 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.