Red Rectangle
HD 44179 · HIP 30089
📋 A written introduction is coming — for now this page shows official values only.
Star
- Apparent magnitude
- 9.33 mag
- Spectral type
- B8
- Right ascension
- 94.9926°
- Declination
- -10.6374°
- Designation
- HD 44179
- HIP number
- 30089
- IAU name adopted
- 2026-05-09
- Name language
- English
- Name origin (IAU)
- The binary system V777 Mon is embedded in a bipolar nebula that made the star look like a rectangle in the first infrared images in 1973. The object was considered peculiar and nicknamed "red rectangle" in a 1975 paper.
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
- At magnitude 9.3 it is fainter than the naked-eye limit (about 6) — you need binoculars or a telescope.
- Declination -10.6° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.
- Its IAU name «Red Rectangle» comes from English (IAU Working Group on Star Names).
Worked out from this object's official values.