Alrumh
HR 5490 · HIP 71995 · 34 Bootis
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 4.79 mag
- Parallax
- 4.63 mas → about 704.4 light-years away
- Spectral type
- M3III
- Right ascension
- 220.8557°
- Declination
- 26.5279°
- Designation
- HR 5490
- Bayer designation
- 34 Bootis
- HIP number
- 71995
- IAU name adopted
- 2026-04-15
- Name language
- Arabic
- Name origin (IAU)
- Al-Rumḥ (الرُّمْح), the Lance/ Spear, is an Arabic asterism from pre-Islamic times that covers the area between Epsilon, Upsilon, Eta and Sigma Bootis. The named star is close to the dominant Epsilon Bootis, which also forms part of the Chinese constellation of The Lance (Genghe).
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 704 years to reach Earth — the light you see tonight left around AD 1322 (official distance ÷ speed of light).
- At magnitude 4.8 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 26.5° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.
Worked out from this object's official values.