Tianguan
HR 1910 · HIP 26451 · ζ Tau
👁️ Naked-eye
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 3.03 mag
- Parallax
- 7.33 mas → about 445 light-years away
- Spectral type
- B4IIIp
- Right ascension
- 84.4112°
- Declination
- 21.1425°
- Designation
- HR 1910
- Bayer designation
- ζ Tau
- HIP number
- 26451
- IAU name adopted
- 2017-06-30
- Name language
- Chinese
- Name origin (IAU)
- Chinese single star asterism, a celestial pass along the ecliptic which opens and closes
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 445 years to reach Earth — the light you see tonight left around AD 1581 (official distance ÷ speed of light).
- At magnitude 3 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
- Declination 21.1° — 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.