---
title: "PSR J0040-7337"
url: "https://spacecatalog.org/object/psr-j0040m7337"
release: "DR1"
licence: "No licence stated; the database is ATNF/CSIRO property under the CSIRO Legal Notice and Disclaimer"
citation: "SpaceCatalog. PSR J0040-7337 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j0040m7337"
---

# PSR J0040-7337

PSR J0040-7337 is a pulsar in the constellation [Tucana](https://spacecatalog.org/constellation/tucana), 191 509 ly from Earth.

## At a glance

- **WHAT IT IS:** Pulsar
- **HOW FAR:** 191 509 ly — The light arriving now left it that long ago.
- **WHERE TO LOOK:** [Tucana](https://spacecatalog.org/constellation/tucana) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Pulsar |
| DISTANCE FROM EARTH | 191 509 ly — by dispersion measure through the YMW16 electron-density model |
| CONSTELLATION | Tucana |
| RIGHT ASCENSION (J2000) | 00h 40m 46.7s |
| DECLINATION (J2000) | −73° 37′ 07.3″ |

## 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 | 1.44×10¹² G |
| Spin period | 0.0598886 s |
| Spin-down rate | 3.4×10⁻¹⁴ s/s |
| Characteristic age | 27 874.7 yr |
| Spin-down luminosity | 6.26×10³⁶ erg/s |

### WHERE IT IS AND HOW IT MOVES

Position, motion across the sky and the size it covers on it. These are measurements of the object as seen from here, so every one of them depends on where here is.

| Field | Value |
| --- | --- |
| Position known to | 3.23″ |
| Dispersion measure | 101.79 pc/cm³ |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| Associated with | EXGAL:SMC,SNR:DEM\_S5\[cls+24\],PWN:DEM\_S5\[cab+24\] |

## Also known as

- ATNF: J0040-7337
- ATNF: PSR J0040-7337

## 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 J0040-7337 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j0040m7337

```bibtex
@misc{spacecatalog_psr-j0040m7337,
  author       = {{SpaceCatalog}},
  title        = {{PSR J0040-7337}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/psr-j0040m7337},
  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-j0040m7337