Where Do Scientific Star Names Come From?

Star Names

Ever wondered where scientific star names come from? Learn about star naming conventions, catalogues, and how you can name a star yourself.

To the uninitiated, stars might seem like just a bunch of identical twinkly dots scattered randomly across the sky, but each one actually has its own unique, and often fascinating, identity. While many of us are familiar with romantic names like Sirius or Vega, most stars go by decidedly less glamorous titles – more like serial numbers than nicknames! So, where do scientific star names come from? Who gets to name the stars, and why do some sound like they belong in a sci-fi film?

Let’s dive into the surprisingly fascinating world of star naming conventions and find out how those celestial labels come about!

Not All Star Names Are Catchy!

A constellation of stars with scientific star names.

First things first: the vast majority of stars don’t have what we’d consider a ‘proper’ name. While there are a few dozen stars with historical names – think Betelgeuse, Rigel, or Antares – most stars have a designation that comes from one of several scientific catalogues.

These catalogue names usually consist of a combination of letters and numbers, which might look confusing at first, but follow a specific logic. For example, HD 189733 is a star found in the Henry Draper Catalogue, which contains more than 225,000 stars. The numbers are simply reference points, like a library system for the cosmos.

You might come across stars listed in multiple catalogues, too. Depending on what you’re reading or who’s doing the observing, a single star might go by different names in different contexts. This can make star hunting a bit of a puzzle, but it’s also part of the fun!

The Role of Star Catalogues

A star map with star names.

Astronomers have been cataloguing stars for centuries. The ancient Greeks began the tradition, but modern star catalogues as we know them today really kicked off in the 19th and 20th centuries, helping scientists track and study celestial objects with increasing precision. Here are a few key examples:

  • Bayer Designation: One of the earliest systems, this method uses Greek letters followed by the name of the constellation (e.g. Alpha Centauri or Beta Orionis). It roughly ranks stars by brightness within their constellation.
  • Flamsteed Designation: This system assigns numbers to stars within a constellation based on their position from west to east. For instance, 51 Pegasi is the 51st star catalogued in the constellation Pegasus.
  • Henry Draper Catalogue (HD): Created using spectral data, this catalogue gives stars unique numbers like HD 209458. It’s common in scientific research.
  • Hipparcos Catalogue: Named after the ESA’s Hipparcos satellite, this catalogue includes precise measurements of more than 100,000 stars.

Each system serves a purpose, but together they help astronomers communicate clearly about the vast number of stars out there – far more than we could ever name individually!

As our telescopes improve and we discover more about the stars around us (and the planets orbiting them), these catalogues continue to grow and evolve. They’re living documents in the world of astronomy, and each entry represents countless hours of observation, analysis, and scientific collaboration.

What About Star Names Like Sirius or Polaris?

Some stars have traditional names that have been passed down through ancient cultures. These names often come from Arabic, Greek, or Latin, and were officially standardised in recent years by the official body responsible for naming celestial objects.

Names like Sirius (meaning ‘glowing’ or ‘scorching’) and Polaris (from the Latin for ‘pole star’) are relics of human history and mythology. They’re easy to remember and often tied to the star’s position or brightness. The IAU maintains an official list of these names, but in comparison to the billions of stars in our galaxy, it’s quite short.

Occasionally, the IAU does approve new proper names, usually for stars that have gained special interest, like those that we know play host to exoplanets. But these names are carefully vetted and selected through a formal process, often involving public votes or input from international astronomy communities.

Can I Name a Star?

Yes – just not in the scientific sense! While the IAU doesn’t allow individuals to name stars officially, services like the Online Star Register offer a way to symbolically name a star for someone special.

When you name a star with OSR, it’s recorded in a unique online database and can be viewed using digital tools like the OSR Star Finder App. It’s a beautiful gift and a deeply personal way to connect with the night sky – perfect for birthdays, anniversaries, or simply saying, “you mean the world (or the galaxy) to me!”

You also receive a physical or digital gift pack, complete with a certificate, star map, and coordinates that let you track your star’s location. It’s a way of celebrating your connection to the universe while embracing the wonder of stargazing.

Why Scientific Star Names Still Matter

While a string of numbers and letters might not be as poetic as ‘Vega’, scientific star names serve a truly vital purpose. They let astronomers precisely identify, locate, and study stars across different observatories and datasets worldwide. Think of it like astronomy’s version of a postcode, and it’s easy to see why they’re pretty essential for navigating the vast expanse of space!

Star catalogues are also vital tools for discovering new phenomena. From variable stars and supernovae to exoplanets and black holes, it all starts with knowing exactly which star you’re looking at. That’s why clear and consistent naming conventions are essential in astronomical research.

That said, there’s still plenty of room for personal connection and storytelling. Every star, whether labelled HD 123456 or lovingly named after a loved one, holds a place in the grand design of the universe.

Name a Star and Be Part of the Sky’s Story!

OSR Super Star Gift

Curious about how you can join in? Naming a star through OSR is a chance to create a unique legacy in the cosmos. You’ll receive a custom star certificate, star map, and access to your star via digital tools, all presented in a beautifully crafted gift package.

Whether you’re stargazing in your back garden or exploring the latest space discoveries, having your own star – or one dedicated to someone else – adds a whole new layer of wonder. So, browse OSR’s star naming gift packs today and find the perfect match!

OSR Gift Packs

Sebastian Wolf Writer at Online Star Register

Sebastian Wolf is an experienced writer and editor. His obsession with astronomy began at a young age when he was introduced to the marvels of the universe while watching reruns of Carl Sagan’s Cosmos: A Personal Voyage before being awestruck by the 1997 visit of the Hale-Bopp comet. Ever since, he has taken every opportunity to study, witness, and enjoy the wonders of the night sky. Having contributed articles to the OSR Blog since 2022, he relishes the chance to promote the joys of astronomy and share his love of the cosmos. “Somewhere, something incredible is waiting to be known.” – Sharon Begley.