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Trash star 11 EP

HIP 65445

RA 201.2000° · Dec -6.9793° · star

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Score breakdown

· 3 badges
11 pts · Trash
Trash 15 pts → Common
  • White A-type star +5
  • Star +3
  • On the zodiac +3
Total score 11

4 more points to reach Common.

Badges

  • Star · +3
  • On the zodiac · +3
  • White A-type star · +5

Trivia

Hard to believe

  • True brightness. It pours out about 192.3 thousand times as much light as the Sun. It only looks ordinary because it is so far away.

What it actually is

  • Spectral class. Its spectrum reads A9.5: — 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.

Find it in the sky

  • How to spot it. At magnitude 11.6 you'll want a small backyard telescope, over in Virgo.
  • 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 April — that's when to go looking.

Its true colour

  • Its true colour. Measured through blue and visual filters it comes out brilliant white (B−V 0.2) — hotter and whiter than the Sun, the colour of Sirius or Vega.
  • Why no green stars. No star ever looks green: a surface hot enough to peak in green also floods out plenty of red and blue, and your eye blends the mixture back to white.

By the numbers

  • Surface temperature. Its colour puts the surface at roughly 7800 K, against the Sun's 5778 K.

Properties

absmag
-8.38
bv
0.249
constellation
Vir
luminosity
195884.4674
mag
11.62
name
HIP 65445
spect
A9.5:

About HIP 65445

HIP 65445 is a trash star. It sits in the constellation Vir, shines at apparent magnitude 11.62 and has spectral type A9.5:.

Its spectrum reads A9.5: — 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 HIP 65445 in the constellation Vir. At apparent magnitude 11.62, a small backyard telescope will bring it into view.

Like any astronomical target, HIP 65445 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 HIP 65445 is a trash star

HIP 65445 scores 11 points on Spacedle's rarity scale, which places it in the trash tier. Another 4 points would lift it into a rarer tier.

That score comes from 3 science badges — Star, On the zodiac and White A-type 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.