The AsterNym star registry
Arkab Prior
Arkab Prior: the blue-white star of Sagittarius
blue-white · Sagittarius · β1 Sgr
Arkab Prior is a blue-white star, the colour of the hottest, youngest suns in the constellation Sagittarius, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 3.96 it is visible to the naked eye under a dark sky.
Most stars in the sky are anonymous points of light. Arkab Prior 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
Arkab Prior at a glance
- Constellation
- Sagittarius
- Other name
- β1 Sgr
- Catalogue number
- HIP 95241
- Distance
- ≈ 314 light-years
- Brightness
- Magnitude 3.96 naked-eye
- Star type
- B9V
- Colour
- blue-white
- Best seen from
- The Southern Hemisphere and lower northern latitudes
- Right ascension
- 19h 22m 38s
- Declination
- −44° 27′ 32″
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 Arkab Prior?
Arkab Prior is a blue-white main-sequence star. Its surface runs somewhere between 10,000 and 30,000°C, which is what gives it a blue-white cast. 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.
It is spending its fuel at a rate the Sun never will. Most of the bright stars in familiar constellations are this kind, which is why the night sky looks younger and hotter than the average star actually is.
A star of this class gets tens of millions of years, against the Sun's ten thousand million.
It is a main-sequence star, which despite the word dwarf simply means it is in the long stable middle of its life, fusing hydrogen in its core exactly as the Sun is doing now.
Arkab Prior barely moves against the background sky, which is mostly a statement about how far away it is. For every practical purpose, including yours, it is fixed.
The light you are looking at is old
The light arriving from Arkab Prior tonight left in about 1712, some 314 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 Arkab Prior dedication represent?
Arkab Prior 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 Sagittarius in the sky.”
Where can you see Arkab Prior?
It is easy to see from much of the Southern Hemisphere. It can also appear from lower northern latitudes, but it never rises for observers north of about latitude 46°N. It passes directly overhead at latitude 44°S. It stands highest at midnight in July, so July and August evenings are the best time to look. At magnitude 3.96 it is a naked-eye star only under a dark sky, binoculars make it certain.
Arkab Prior belongs to Sagittarius.
What does Arkab Prior mean in astrology?
The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Arkab Prior, 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, Arkab Prior stands at 15° Capricorn at the J2000 epoch, and the Sun passes that degree around 4 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 Arkab Prior 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 Arkab Prior →Real star · your message · a page to share
Your Arkab Prior dedication includes
- Your chosen dedication name
- Your personal message
- Arkab Prior's real astronomical coordinates
- A shareable dedication page
- Its location on the AsterNym Galaxy Map
- An optional printable certificate and gift presentation
Arkab Prior keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.
Frequently asked questions about Arkab Prior
- What does Arkab Prior mean in astrology?
- The classical fixed-star tradition has no documented meaning for Arkab Prior. Projected onto the zodiac, Arkab Prior stands at 15° Capricorn, and the Sun passes that degree each year around 4 January.
- Is Arkab Prior the brightest star?
- Arkab Prior shines at magnitude 3.96 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
- How far away is Arkab Prior?
- Arkab Prior is approximately 314 light-years from Earth. The light reaching us tonight began its journey around 314 years ago.
- Which constellation contains Arkab Prior?
- Arkab Prior is part of Sagittarius.
- Can everyone see Arkab Prior?
- It is easy to see from much of the Southern Hemisphere. It can also appear from lower northern latitudes, but it never rises for observers north of about latitude 46°N. It passes directly overhead at latitude 44°S. It stands highest at midnight in July, so July and August evenings are the best time to look. At magnitude 3.96 it is a naked-eye star only under a dark sky, binoculars make it certain.
- Is dedicating Arkab Prior an official astronomical renaming?
- No. Arkab Prior 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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