---
title: "Gl 509B"
url: "https://spacecatalog.org/object/gliese-gl-509b"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. Gl 509B [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/gliese-gl-509b"
---

# Gl 509B

Gl 509B is a dK6 orange dwarf in the constellation [Canes Venatici](https://spacecatalog.org/constellation/canes-venatici), 60.43 ly from Earth, shining at apparent magnitude 9.80 (V).

## At a glance

- **WHAT IT IS:** Orange dwarf
- **HOW FAR:** 60.43 ly — The light arriving now left it that long ago.
- **HOW BRIGHT (V):** 9.80 — A small telescope reaches it.
- **WHERE TO LOOK:** [Canes Venatici](https://spacecatalog.org/constellation/canes-venatici) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | dK6 orange dwarf |
| DISTANCE FROM EARTH | 60.43 ly — by parallax |
| APPARENT MAGNITUDE (V) | 9.80 |
| ABSOLUTE MAGNITUDE (V) | 8.46 |
| CONSTELLATION | Canes Venatici |
| RIGHT ASCENSION (J2000) | 13h 23m 32.9s |
| DECLINATION (J2000) | +29° 14′ 13.6″ |

## 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 |
| --- | --- |
| Spectral type | dK6 |
| Luminosity (visual) | 0.0359418 L☉ |

### 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 |
| --- | --- |
| Proper motion (RA) | −477.57 mas/yr |
| Proper motion (Dec) | 229.84 mas/yr |

## Also known as

- Gliese: Gl 509B

## Source

[HYG Database v4.1](https://github.com/astronexus/HYG-Database) — CC-BY-SA-4.0

The producer asks: HYG Database v4.1, Astronexus (github.com/astronexus/HYG-Database). Fields derived from it stay under CC BY-SA 4.0.

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

## Cite this page

SpaceCatalog. Gl 509B \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/gliese-gl-509b

```bibtex
@misc{spacecatalog_gliese-gl-509b,
  author       = {{SpaceCatalog}},
  title        = {{Gl 509B}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/gliese-gl-509b},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from HYG Database v4.1.}
}
```

HYG Database v4.1 — CC-BY-SA-4.0

Acknowledgement the producer asks for: HYG Database v4.1, Astronexus (github.com/astronexus/HYG-Database). Fields derived from it stay under CC BY-SA 4.0.

The page itself, with its pictures, the sky map and the observing tools: https://spacecatalog.org/object/gliese-gl-509b