---
title: "HIP 34871"
url: "https://spacecatalog.org/object/hip-34871"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. HIP 34871 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/hip-34871"
---

# HIP 34871

HIP 34871 is a B9 blue-white [star](https://spacecatalog.org/stars) in the constellation [Canis Major](https://spacecatalog.org/constellation/canis-major), 2548 ly from Earth, shining at apparent magnitude 9.44 (V).

## At a glance

- **WHAT IT IS:** Blue-white star
- **HOW FAR:** 2548 ly — The light arriving now left it that long ago.
- **HOW BRIGHT (V):** 9.44 — Binoculars reach it; the naked eye does not.
- **WHERE TO LOOK:** [Canis Major](https://spacecatalog.org/constellation/canis-major) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | B9 blue-white star |
| DISTANCE FROM EARTH | 2548 ly — by parallax |
| APPARENT MAGNITUDE (V) | 9.44 |
| ABSOLUTE MAGNITUDE (V) | −0.02 |
| CONSTELLATION | Canis Major |
| RIGHT ASCENSION (J2000) | 07h 12m 55.5s |
| DECLINATION (J2000) | −28° 13′ 19.7″ |

## 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 | B9 |
| Luminosity (visual) | 89.043 L☉ |

### HOW BRIGHT IT IS

What the light adds up to, measured through one filter at a time. A magnitude is a brightness on a backwards scale — the smaller the number, the brighter the object.

| Field | Value |
| --- | --- |
| Colour index (B−V) | −0.068 |

### 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) | −5.92 mas/yr |
| Proper motion (Dec) | 4.28 mas/yr |
| Radial velocity | 0 km/s |

## Also known as

- HIP: HIP 34871

## 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. HIP 34871 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/hip-34871

```bibtex
@misc{spacecatalog_hip-34871,
  author       = {{SpaceCatalog}},
  title        = {{HIP 34871}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/hip-34871},
  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/hip-34871