About J1748-2021B
J1748-2021B is a rare pulsar. It spins once every 16.76 ms and has a dispersion measure of 220.92 pc cm⁻³.
It whirls around 59.7 times every second.
Rare pulsar 34 EP
J1748-2021B
RA 267.2206° · Dec -20.3608° · 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 59.7 times every second.
- Density. A sugar-cube of its core would weigh about a billion tonnes.
Properties
- binary
- yes
- dm
- 220.922
- name
- J1748-2021B
- period ms
- 16.7601
How to see it
Like any astronomical target, J1748-2021B 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 J1748-2021B is a rare pulsar
J1748-2021B 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.