Hassaleh
HR 1577 · HIP 23015 · ι Aur
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 2.69 mag
- Parallax
- 6.61 mas → about 493.4 light-years away
- Spectral type
- K3IIvar
- Right ascension
- 74.2484°
- Declination
- 33.1661°
- Designation
- HR 1577
- Bayer designation
- ι Aur
- HIP number
- 23015
- IAU name adopted
- 2017-06-30
- Name language
- Arabic
- Name origin (IAU)
- hasa means in Arabic - handsome or good or benefactor, hassa (with doubled s) is from the same Arabic root, has long vowel (second a) and its meaning is "doer of good" or "benefactor", the end of name "-eh" (or "-ah") could mean femininum. Name from the "Atlas Coeli Skalnaté Pleso" of Czech astronomer Antonín Bečvář (1901-1965).
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 493 years to reach Earth — the light you see tonight left around AD 1533 (official distance ÷ speed of light).
- At magnitude 2.7 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 33.2° — 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.