Grumium
HR 6688 · HIP 87585 · ξ Dra
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 3.75 mag
- Parallax
- 28.98 mas → about 112.5 light-years away
- Spectral type
- K2III
- Right ascension
- 268.3822°
- Declination
- 56.8726°
- Designation
- HR 6688
- Bayer designation
- ξ Dra
- HIP number
- 87585
- IAU name adopted
- 2016-09-12
- Name language
- Latin
- Name origin (IAU)
- A Late Latin word (its correct spelling should be grunnum) meaning "snout" or "muzzle (especially of a pig)", used in the Medieval Latin Almagest in describing this star. The word was applied as a star name in recent times.
Source:IAU Working Group on Star Names · checked 2026-11-02 ↗ESA Hipparcos Catalogue (ESA Gaia Archive) · checked 2026-11-03 ↗
Related
Constellation
In everyday life
- Light from this object takes about 113 years to reach Earth — the light you see tonight left around AD 1913 (official distance ÷ speed of light).
- At magnitude 3.8 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 56.9° — from Seoul (37.6° N) it never sets and circles the northern sky all night.
Worked out from this object's official values.