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Uncommon star 32 EP

HR 1795

RA 81.7034° · Dec 34.3918° · star

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Score breakdown

· 5 badges
32 pts · Uncommon
Uncommon 34 pts → Rare
  • Intrinsically luminous (Mv < −2) +10
  • Naked-eye visible +8
  • Distant (over 1,000 light-years) +6
  • White A-type star +5
  • Star +3
Total score 32

2 more points to reach Rare.

Badges

  • Star · +3
  • Distant (over 1,000 light-years) · +6
  • Naked-eye visible · +8
  • White A-type star · +5
  • Intrinsically luminous (Mv < −2) · +10

Trivia

What it actually is

  • Spectral class. Its spectrum reads A1p — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

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 5.9 you can see it with your own eyes from a dark site, over in Auriga.
  • 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 December — 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. ≈ 37 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 3.3 million years even at the Parker Solar Probe's 192 km/s.

Properties

absmag
-3.128
bv
0.138
constellation
Aur
dist ly
2104.2323
luminosity
1553.1021
mag
5.92
name
HR 1795
spect
A1p

About HR 1795

HR 1795 is an uncommon star. It lies about 2,104.2 light-years from Earth, sits in the constellation Aur, shines at apparent magnitude 5.92 and has spectral type A1p.

Its spectrum reads A1p — an A-type star: white-hot, typically about twice the Sun's mass, and the class most of the sky's famous bright stars belong to.

How to see it

Look for HR 1795 in the constellation Aur. At apparent magnitude 5.92, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, HR 1795 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 1795 is an uncommon star

HR 1795 scores 32 points on Spacedle's rarity scale, which places it in the uncommon tier. Another 2 points would lift it into a rarer tier.

That score comes from 5 science badges — Star, Distant (over 1,000 light-years), Naked-eye visible, White A-type star 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.