---
title: "PSR J1231-6511"
url: "https://spacecatalog.org/object/psr-j1231m6511"
release: "DR1"
licence: "No licence stated; the database is ATNF/CSIRO property under the CSIRO Legal Notice and Disclaimer"
citation: "SpaceCatalog. PSR J1231-6511 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j1231m6511"
---

# PSR J1231-6511

PSR J1231-6511 is a pulsar in the constellation [Musca](https://spacecatalog.org/constellation/musca).

## At a glance

- **WHAT IT IS:** Pulsar
- **WHERE TO LOOK:** [Musca](https://spacecatalog.org/constellation/musca) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Pulsar |
| CONSTELLATION | Musca |
| RIGHT ASCENSION (J2000) | 12h 31m 43.9s |
| DECLINATION (J2000) | −65° 11′ 48.0″ |

## Catalogue data

### WHAT KIND OF THING IT IS

What the object is in itself, rather than how it happens to look from here.

| Field | Value |
| --- | --- |
| Surface magnetic field | 2.68×10¹² G |
| Spin period | 0.247525 s |
| Spin-down rate | 2.84×10⁻¹⁴ s/s |
| Characteristic age | 137 952 yr |
| Spin-down luminosity | 7.4×10³⁴ erg/s |

### OTHER NAMES AND NUMBERS

The identifiers other catalogues file this object under, for anyone joining this data to theirs.

| Field | Value |
| --- | --- |
| Associated with | GRS:4FGL\_J1231.6-6511\[aab+22\] |

## Also known as

- ATNF: J1231-6511
- ATNF: PSR J1231-6511

## Source

[ATNF Pulsar Catalogue (Manchester+ 2005)](https://www.atnf.csiro.au/research/pulsar/psrcat) — No licence stated; the database is ATNF/CSIRO property under the CSIRO Legal Notice and Disclaimer

The producer asks: Manchester, R. N., Hobbs, G. B., Teoh, A. & Hobbs, M. 2005, AJ 129, 1993 (2005AJ....129.1993M); https://www.atnf.csiro.au/research/pulsar/psrcat

How this was made: https://spacecatalog.org/methods#source-atnf

## Cite this page

SpaceCatalog. PSR J1231-6511 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j1231m6511

```bibtex
@misc{spacecatalog_psr-j1231m6511,
  author       = {{SpaceCatalog}},
  title        = {{PSR J1231-6511}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/psr-j1231m6511},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from ATNF Pulsar Catalogue (Manchester+ 2005).}
}
```

ATNF Pulsar Catalogue (Manchester+ 2005) — No licence stated; the database is ATNF/CSIRO property under the CSIRO Legal Notice and Disclaimer

Acknowledgement the producer asks for: Manchester, R. N., Hobbs, G. B., Teoh, A. & Hobbs, M. 2005, AJ 129, 1993 (2005AJ....129.1993M); https://www.atnf.csiro.au/research/pulsar/psrcat

The page itself, with its pictures, the sky map and the observing tools: https://spacecatalog.org/object/psr-j1231m6511