The AsterNym star registry
Lang-Exster
Lang-Exster: the warm orange star of Tucana
warm orange · Tucana · α Tuc
Lang-Exster is a warm orange giant, far along its stellar life in the constellation Tucana, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 2.82 it is visible to the naked eye under a dark sky.
Most stars in the sky are anonymous points of light. Lang-Exster 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
Lang-Exster at a glance
- Constellation
- Tucana
- Other name
- α Tuc
- Catalogue number
- HIP 110130
- Distance
- ≈ 200 light-years
- Brightness
- Magnitude 2.82 naked-eye
- Star type
- K3III
- Colour
- warm orange
- Best seen from
- The far southern sky
- Right ascension
- 22h 18m 30s
- Declination
- −60° 15′ 35″
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 Lang-Exster?
Lang-Exster is an orange giant. Its surface runs roughly 4,000 to 5,000°C, cool enough that the light carries a visible orange. 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. An orange star still in the steady part of its life would burn for tens of thousands of millions of 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.
Lang-Exster drifts about 8.1 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 Lang-Exster tonight left in about 1826, some 200 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 is comfortably visible without equipment on a decent night.
What could a Lang-Exster dedication represent?
Lang-Exster 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 Tucana in the sky.”
Where can you see Lang-Exster?
It is a deep-southern star: easy from Australia, New Zealand, southern Africa and South America, but it never rises for observers north of about latitude 30°N. It passes directly overhead at latitude 60°S. It stands highest at midnight in August, so August and September evenings are the best time to look. At magnitude 2.82 it is an easy naked-eye star from any reasonably dark spot.
Lang-Exster belongs to Tucana, where it is the brightest star.
What does Lang-Exster mean in astrology?
The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Lang-Exster, 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, Lang-Exster stands at 9° Aquarius at the J2000 epoch, and the Sun passes that degree around 28 January 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 Lang-Exster 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 Lang-Exster →Real star · your message · a page to share
Your Lang-Exster dedication includes
- Your chosen dedication name
- Your personal message
- Lang-Exster's real astronomical coordinates
- A shareable dedication page
- Its location on the AsterNym Galaxy Map
- An optional printable certificate and gift presentation
Lang-Exster keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.
Frequently asked questions about Lang-Exster
- What does Lang-Exster mean in astrology?
- The classical fixed-star tradition has no documented meaning for Lang-Exster. Projected onto the zodiac, Lang-Exster stands at 9° Aquarius, and the Sun passes that degree each year around 28 January.
- Is Lang-Exster the brightest star?
- Lang-Exster shines at magnitude 2.82 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
- How far away is Lang-Exster?
- Lang-Exster is approximately 200 light-years from Earth. The light reaching us tonight began its journey around 200 years ago.
- Which constellation contains Lang-Exster?
- Lang-Exster is the brightest star in Tucana.
- Can everyone see Lang-Exster?
- It is a deep-southern star: easy from Australia, New Zealand, southern Africa and South America, but it never rises for observers north of about latitude 30°N. It passes directly overhead at latitude 60°S. It stands highest at midnight in August, so August and September evenings are the best time to look. At magnitude 2.82 it is an easy naked-eye star from any reasonably dark spot.
- Is dedicating Lang-Exster an official astronomical renaming?
- No. Lang-Exster 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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