Nandou
HR 7039 · HIP 92041 · φ Sgr
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 3.14 mag
- Parallax
- 13.63 mas → about 239.3 light-years away
- Spectral type
- B8.5III
- Right ascension
- 281.4141°
- Declination
- -26.9908°
- Designation
- HR 7039
- Bayer designation
- φ Sgr
- HIP number
- 92041
- IAU name adopted
- 2026-08-13
- Name language
- Chinese
- Name origin (IAU)
- Nándŏu (Southern Dipper 南斗) is a Chinese Lunar Mansion, attested for at least 2500 years: one of the oldest asterisms in China.
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 239 years to reach Earth — the light you see tonight left around AD 1787 (official distance ÷ speed of light).
- At magnitude 3.1 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination -27° — 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.