---
title: "PSR J0806-4123"
url: "https://spacecatalog.org/object/psr-j0806m4123"
release: "DR1"
licence: "No licence stated; the database is ATNF/CSIRO property under the CSIRO Legal Notice and Disclaimer"
citation: "SpaceCatalog. PSR J0806-4123 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j0806m4123"
---

# PSR J0806-4123

PSR J0806-4123 is a X-ray isolated neutron [star](https://spacecatalog.org/stars) in the constellation [Puppis](https://spacecatalog.org/constellation/puppis).

## At a glance

- **WHAT IT IS:** X-ray isolated neutron star
- **WHERE TO LOOK:** [Puppis](https://spacecatalog.org/constellation/puppis) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | X-ray isolated neutron star |
| CONSTELLATION | Puppis |
| RIGHT ASCENSION (J2000) | 08h 06m 23.4s |
| DECLINATION (J2000) | −41° 22′ 30.9″ |

## 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 | 2.54×10¹³ G |
| Spin period | 11.3704 s |
| Spin-down rate | 5.56×10⁻¹⁴ s/s |
| Characteristic age | 3 240 577 yr |
| Spin-down luminosity | 1.49×10³⁰ 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 | 0.75″ |

### OTHER NAMES AND NUMBERS

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

| Field | Value |
| --- | --- |
| Associated with | XRS:RX\_J0806.4-4123\[hmp98\],OPT:\[kkvh11\] |

## Also known as

- ATNF: J0806-4123
- ATNF: PSR J0806-4123

## 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 J0806-4123 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/psr-j0806m4123

```bibtex
@misc{spacecatalog_psr-j0806m4123,
  author       = {{SpaceCatalog}},
  title        = {{PSR J0806-4123}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/psr-j0806m4123},
  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-j0806m4123