About J1938+6604
J1938+6604 is a rare pulsar. It spins once every 22.259 ms, has a dispersion measure of 41.24 pc cm⁻³ and carries a surface magnetic field around 666,191,229 G.
It whirls around 44.9 times every second.
Rare pulsar 34 EP
J1938+6604
RA 294.7372° · Dec 66.0755° · pulsar
Score breakdown
· 2 badgesRare 46 pts → Epic
- Pulsar +22
- Binary pulsar +12
Total score 34
12 more points to reach Epic.
Badges
- Pulsar · +22
- Binary pulsar · +12
Trivia
By the numbers
- Spin. It whirls around 44.9 times every second.
- Density. A sugar-cube of its core would weigh about a billion tonnes.
Properties
- binary
- yes
- bsurf
- 666191228.6
- dm
- 41.2427
- name
- J1938+6604
- period ms
- 22.2588
How to see it
Like any astronomical target, J1938+6604 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 J1938+6604 is a rare pulsar
J1938+6604 scores 34 points on Spacedle's rarity scale, which places it in the rare tier. Another 12 points would lift it into a rarer tier.
That score comes from 2 science badges — Pulsar and Binary pulsar — 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.