About J1905+0400
J1905+0400 is a rare pulsar. It spins once every 3.784 ms, has a dispersion measure of 25.69 pc cm⁻³ and carries a surface magnetic field around 137,872,180 G.
It whirls around 264 times every second.
Rare pulsar 42 EP
J1905+0400
RA 286.3678° · Dec 4.0030° · pulsar
Score breakdown
· 2 badgesRare 46 pts → Epic
- Pulsar +22
- Millisecond pulsar +20
Total score 42
4 more points to reach Epic.
Badges
- Pulsar · +22
- Millisecond pulsar · +20
Trivia
By the numbers
- Spin. It whirls around 264 times every second.
- Density. A sugar-cube of its core would weigh about a billion tonnes.
Properties
- bsurf
- 137872179.6
- dm
- 25.6923
- name
- J1905+0400
- period ms
- 3.7844
How to see it
Like any astronomical target, J1905+0400 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 J1905+0400 is a rare pulsar
J1905+0400 scores 42 points on Spacedle's rarity scale, which places it in the rare tier. Another 4 points would lift it into a rarer tier.
That score comes from 2 science badges — Pulsar and Millisecond 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.