Fenmu
HR 8597 · HIP 111497 · η Aqr
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 4.03 mag
- Parallax
- 19.43 mas → about 167.9 light-years away
- Spectral type
- B9IV-Vn
- Right ascension
- 338.8391°
- Declination
- -0.117497°
- Designation
- HR 8597
- Bayer designation
- η Aqr
- HIP number
- 111497
- IAU name adopted
- 2026-09-17
- Name language
- Chinese
- Name origin (IAU)
- Fén Mù (Tomb, 墳墓) is an ancient Chinese constellation. The cluster of constellations with that topic can be understood as a celestial projection of funeral rituals.
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 168 years to reach Earth — the light you see tonight left around AD 1858 (official distance ÷ speed of light).
- At magnitude 4 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination -0.1° — 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.