Saiph, painted as a blue star

The AsterNym star registry

Saiph

Saiph: the blue star of Orion

blue · Orion · κ Ori

Saiph is a blue star in the constellation Orion, one of the stars with a proper name recognised in the IAU Catalog of Star Names. At magnitude 2.09 it is visible to the naked eye under a dark sky.

Most stars in the sky are anonymous points of light. Saiph 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

Saiph at a glance

Constellation
Orion
Other name
κ Ori
Catalogue number
HIP 27366
Distance
≈ 720 light-years
Brightness
Magnitude 2.09 naked-eye
Star type
B0.5 Ia
Colour
blue
Best seen from
Almost everywhere on Earth
Right ascension
05h 47m 45s
Declination
−09° 40′ 11″

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 Saiph?

Saiph is a blue-white supergiant. 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.

Its colour is not the whole story. A blue-white star still in the steady part of its life would burn for tens 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 supergiant, which means it has left the stable part of its life and swollen enormously. Put it where the Sun is and its surface would swallow the inner planets. Stars this size do not fade quietly; this one will end as a supernova, and on a human timescale that could be tonight or in a million years.

The light you are looking at is old

Saiph is about 720 light years away, so the light reaching you now set out around 1306. 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 does the name Saiph mean?

The traditional name Saiph is from the Arabic saif al jabbar, 'سیف الجبّار', literally saif of the giant.

In the 17th-century catalogue of stars in the Calendarium of Al Achsasi al Mouakket, this star was designated Rekbah al Jauza al Yemeniat, which was translated into Latin as Genu Dextrum Gigantis "right knee of the giant".

Name origin from English Wikipedia. AsterNym does not invent an etymology where none is recorded, and most stars in this catalogue have none: they carry modern names, or a catalogue designation and nothing older.

What could a Saiph dedication represent?

Saiph 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 Orion in the sky.”

Dedicate Saiph →

Where can you see Saiph?

It sits 10° south of the celestial equator, so it clears the horizon everywhere short of latitude 80°N, in practice, every inhabited latitude on Earth. It passes directly overhead at latitude 10°S. It stands highest at midnight in December, so December and January evenings are the best time to look. At magnitude 2.09 it is an easy naked-eye star from any reasonably dark spot.

Saiph belongs to Orion.

What does Saiph mean in astrology?

The classical fixed-star tradition: Ptolemy, the medieval Behenian lists, Robson’s 1923 compilation. Is silent on Saiph, 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, Saiph stands at 26° Gemini at the J2000 epoch, and the Sun passes that degree around 16 June 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 Saiph 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 Saiph →

Real star · your message · a page to share

Your Saiph dedication includes

  • Your chosen dedication name
  • Your personal message
  • Saiph's real astronomical coordinates
  • A shareable dedication page
  • Its location on the AsterNym Galaxy Map
  • An optional printable certificate and gift presentation

Saiph keeps its established astronomical name. Your dedication is a personal commemorative record within the AsterNym registry.

Frequently asked questions about Saiph

What does Saiph mean in astrology?
The classical fixed-star tradition has no documented meaning for Saiph. Projected onto the zodiac, Saiph stands at 26° Gemini, and the Sun passes that degree each year around 16 June.
Is Saiph the brightest star?
Saiph shines at magnitude 2.09 · visible to the naked eye on a clear night, one of the few thousand stars with an officially recognised name.
How far away is Saiph?
Saiph is approximately 720 light-years from Earth. The light reaching us tonight began its journey around 720 years ago.
Which constellation contains Saiph?
Saiph is part of Orion.
Can everyone see Saiph?
It sits 10° south of the celestial equator, so it clears the horizon everywhere short of latitude 80°N, in practice, every inhabited latitude on Earth. It passes directly overhead at latitude 10°S. It stands highest at midnight in December, so December and January evenings are the best time to look. At magnitude 2.09 it is an easy naked-eye star from any reasonably dark spot.
Is dedicating Saiph an official astronomical renaming?
No. Saiph 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.

Explore nearby stars

The constellation Orion, its stars sized by brightness and coloured by spectral type
Orion, drawn from catalogued positions: brighter stars are larger, and the colours follow spectral type. North is up and east is left, the sky-chart convention, so it is mirrored against a map of the ground. The joining lines are one drawing convention among several; the IAU fixes the boundaries, not the figure.
AsterNym dedications are personal commemorative records: they are not recognized by the International Astronomical Union, do not change scientific catalogue names, and do not confer ownership of a star.