47 Tucanae
Also known as New General Catalogue 104, 47 Tuc
globular cluster in the constellation Tucana
Key facts
- Class
- III
- Constellation
- Tucana
- Right ascension
- 00 24 05.539
- Declination
- −72 ° 04 ′ 53.20 ″
- Distance
- 4.45 ± 0.01 kpc (14,500 ± 32.6 ly )
- Apparent magnitude v
- +4.09
- Apparent dimensions v
- 43.8 ′
- Mass
- 7.00 × 10 M ☉
- Radius
- 60 ly
- Metallicity
- [ Fe/H ] = −0.78 dex
- Estimated age
- 13.06 Gyr
- Notable features
- 2nd brightest globular cluster after Omega Centauri
- Other designations