The AsterNym star registry
Dajiangjunbei
Dajiangjunbei: the blue-white star of Perseus
blue-white · Perseus · φ Per
Dajiangjunbei is a blue-white star, the colour of the hottest, youngest suns in the constellation Perseus, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 4.06 it is visible to the naked eye under a dark sky.
Most stars in the sky are anonymous points of light. Dajiangjunbei 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
Dajiangjunbei at a glance
- Constellation
- Perseus
- Other name
- φ Per
- Catalogue number
- HIP 8068
- Distance
- ≈ 718 light-years
- Brightness
- Magnitude 4.06 naked-eye
- Star type
- B2Vpe
- Colour
- blue-white
- Best seen from
- The Northern Hemisphere and lower southern latitudes
- Right ascension
- 01h 43m 40s
- Declination
- +50° 41′ 19″
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 Dajiangjunbei?
Dajiangjunbei 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.
Dajiangjunbei 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
Dajiangjunbei is about 718 light years away, so the light reaching you now set out around 1308. You are not looking at the star as it is. You are looking at the star as it was, and there is no way to see it any other way.
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 Dajiangjunbei dedication represent?
Dajiangjunbei 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 Perseus in the sky.”
Where can you see Dajiangjunbei?
It is easy to see from most of the Northern Hemisphere. It can also appear from lower southern latitudes, but it never rises for observers south of about latitude 39°S. It passes directly overhead at latitude 51°N. It stands highest at midnight in October, so October and November evenings are the best time to look. At magnitude 4.06 it is a naked-eye star only under a dark sky, binoculars make it certain.
Dajiangjunbei belongs to Perseus.
What does Dajiangjunbei mean in astrology?
The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Dajiangjunbei, 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, Dajiangjunbei stands at 14° Taurus at the J2000 epoch, and the Sun passes that degree around 4 May 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 Dajiangjunbei 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 Dajiangjunbei →Real star · your message · a page to share
Your Dajiangjunbei dedication includes
- Your chosen dedication name
- Your personal message
- Dajiangjunbei's real astronomical coordinates
- A shareable dedication page
- Its location on the AsterNym Galaxy Map
- An optional printable certificate and gift presentation
Dajiangjunbei keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.
Frequently asked questions about Dajiangjunbei
- What does Dajiangjunbei mean in astrology?
- The classical fixed-star tradition has no documented meaning for Dajiangjunbei. Projected onto the zodiac, Dajiangjunbei stands at 14° Taurus, and the Sun passes that degree each year around 4 May.
- Is Dajiangjunbei the brightest star?
- Dajiangjunbei shines at magnitude 4.06 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
- How far away is Dajiangjunbei?
- Dajiangjunbei is approximately 718 light-years from Earth. The light reaching us tonight began its journey around 718 years ago.
- Which constellation contains Dajiangjunbei?
- Dajiangjunbei is part of Perseus.
- Can everyone see Dajiangjunbei?
- It is easy to see from most of the Northern Hemisphere. It can also appear from lower southern latitudes, but it never rises for observers south of about latitude 39°S. It passes directly overhead at latitude 51°N. It stands highest at midnight in October, so October and November evenings are the best time to look. At magnitude 4.06 it is a naked-eye star only under a dark sky, binoculars make it certain.
- Is dedicating Dajiangjunbei an official astronomical renaming?
- No. Dajiangjunbei 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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