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Trash star 3 EP

HD 22509

RA 54.7261° · Dec 43.1366° · star

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Score breakdown

· 1 badge
3 pts · Trash
Trash 15 pts → Common
  • Star +3
Total score 3

12 more points to reach Common.

Badges

  • Star · +3

Properties

absmag
-11.37
bv
0.13
constellation
Per
mag
8.63
name
HD 22509
spect
B9

About HD 22509

HD 22509 is a trash star. It sits in the constellation Per, shines at apparent magnitude 8.63 and has spectral type B9.

HD 22509 is a trash star worth 3 points across 1 science badge. Explore its facts, badges and place on the sky map, then add it to your dex on Spacedle.

How to see it

Look for HD 22509 in the constellation Per. At apparent magnitude 8.63, it is an easy target for binoculars.

Like any astronomical target, HD 22509 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 22509 is a trash star

HD 22509 scores 3 points on Spacedle's rarity scale, which places it in the trash tier. Another 12 points would lift it into a rarer tier.

That score comes from 1 science badge — Star — 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.

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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.