The AsterNym star registry
Tonatiuh
Tonatiuh: the golden star of Camelopardalis
golden · Camelopardalis · HR 4609
Tonatiuh is a golden star, warmer-toned than our Sun in the constellation Camelopardalis, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 5.80 it is visible to the naked eye under a dark sky.
Most stars in the sky are anonymous points of light. Tonatiuh is not. Some IAU-recognised names are ancient; others were adopted by the IAU only recently. Either way, the star already has a scientific identity, and a dedication attaches a human story to it.
Real star · Personal dedication · Recorded in the AsterNym registry
See what a dedicated page looks like: preview
Tonatiuh at a glance
- Constellation
- Camelopardalis
- Other name
- HR 4609
- Catalogue number
- HIP 58952
- Distance
- ≈ 317 light-years
- Brightness
- Magnitude 5.80 naked-eye
- Star type
- G9III
- Colour
- golden
- Best seen from
- The far northern sky
- Right ascension
- 12h 05m 15s
- Declination
- +76° 54′ 21″
J2000 catalogue coordinates that can be independently cross-checked against astronomical databases. A planetarium app showing coordinates of date will differ slightly, because proper motion and precession move a star’s apparent position over time.
What kind of star is Tonatiuh?
Tonatiuh is a yellow giant. Its surface runs about 5,500°C, near enough the Sun's own surface temperature. Colour in a star is a temperature reading rather than a decoration: the hot ones are blue and the cool ones red, the opposite way round to a kitchen tap.
Its colour is not the whole story. A yellow star still in the steady part of its life would burn for about ten thousand million years. This one is past that stage, and it is cool at the surface because it has swollen outward, not because it was born this way.
It is a giant, which is what a star becomes when it exhausts the hydrogen in its core. It has swollen outward and cooled at the surface, and it is now brighter than it ever was as a young star. The Sun will do this too, in about five thousand million years.
Tonatiuh drifts about 17.4 arcseconds a century against the stars behind it. Slow by any human measure, and still enough that the sky your distant descendants see will not be the one in your photographs.
The light you are looking at is old
The light arriving from Tonatiuh tonight left in about 1709, some 317 years ago. Everything that has happened since, every person you have heard of from the last few centuries, happened while it was in transit.
That delay is the part people find hardest and like most. A star is the one thing you can give someone that was already old before either of you was born and will outlast anything else you could have chosen.
It sits at the edge of what an unaided eye can do, so finding it is a deliberate act rather than an accident.
What could a Tonatiuh dedication represent?
Tonatiuh is especially meaningful for someone who:
- · Deserves something older than any gift shop
- · Marks a beginning, an anniversary or a promise
- · Is remembered every time you look up
- · Has a light you want recorded somewhere permanent
Dedication idea
“For the one I think of when I find Camelopardalis in the sky.”
Where can you see Tonatiuh?
It is a deep-northern star: easy from Europe, North America and northern Asia, but it never rises for observers south of about latitude 13°S. It passes directly overhead at latitude 77°N. It stands highest at midnight in March, so March and April evenings are the best time to look. At magnitude 5.80 it is a naked-eye star only under a dark sky, binoculars make it certain.
Tonatiuh belongs to Camelopardalis.
What does Tonatiuh mean in astrology?
The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Tonatiuh, and we don’t invent lore where none exists. What astrology can still read is the star’s real position, below.
Projected onto the zodiac the way fixed-star astrology reads any star, Tonatiuh stands at 0° Leo at the J2000 epoch, and the Sun passes that degree around 20 July in the years around 2000. Fixed-star longitude shifts slowly against the tropical zodiac because of precession, about one degree every seventy-two years, so a natal conjunction must be calculated for the birth year rather than read off this J2000 value or a calendar date.
Traditional interpretations, not facts or predictions. The position and dates are computed.
Dedicate Tonatiuh to someone who matters
A flower fades. A card is eventually put away. A star gives your message a place in the sky.
from$29.95a year
Dedicate Tonatiuh →Real star · your message · a page to share
Your Tonatiuh dedication includes
- Your chosen dedication name
- Your personal message
- Tonatiuh's real astronomical coordinates
- A shareable dedication page
- Its location on the AsterNym Galaxy Map
- An optional printable certificate and gift presentation
Tonatiuh keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.
Frequently asked questions about Tonatiuh
- What does Tonatiuh mean in astrology?
- The classical fixed-star tradition has no documented meaning for Tonatiuh. Projected onto the zodiac, Tonatiuh stands at 0° Leo, and the Sun passes that degree each year around 20 July.
- Is Tonatiuh the brightest star?
- Tonatiuh shines at magnitude 5.80 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
- How far away is Tonatiuh?
- Tonatiuh is approximately 317 light-years from Earth. The light reaching us tonight began its journey around 317 years ago.
- Which constellation contains Tonatiuh?
- Tonatiuh is part of Camelopardalis.
- Can everyone see Tonatiuh?
- It is a deep-northern star: easy from Europe, North America and northern Asia, but it never rises for observers south of about latitude 13°S. It passes directly overhead at latitude 77°N. It stands highest at midnight in March, so March and April evenings are the best time to look. At magnitude 5.80 it is a naked-eye star only under a dark sky, binoculars make it certain.
- Is dedicating Tonatiuh an official astronomical renaming?
- No. Tonatiuh keeps its internationally recognised astronomical name. An AsterNym dedication records your personal name and message in the AsterNym registry without changing the star's scientific identity.
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