Key facts
- Class
- V
- Constellation
- Sagittarius
- Right ascension
- 18 04 49.61
- Declination
- −30 ° 03 ′ 20.8 ″
- Distance
- 25.8 kly , (7.9 kpc )
- Radius
- 8.3' x 8.3'
- Metallicity
- [ Fe/H ] = −0.11 dex
- Estimated age
- 11 ± 0.5 Gyr
- Other designations
- GCl 84, ESO 456-48, VDBH 257
via Wikipedia infobox
~1 min read
Encyclopedic overview
NGC 6528 is a globular cluster in the constellation Sagittarius, and is listed in the New General Catalogue. It has an apparent magnitude of about 11 and a diameter of about 16 arcminutes, and its Shapley–Sawyer Concentration Class is V, containing stars of 16th magnitude and dimmer. Dreyer described it as "pF, cS, R", meaning poor and faint, considerably small and round.
NGC 6528 is located southwest of NGC 6522, another globular cluster. Both are located in Baade's Window, a relatively clear area near the galactic equator.
Excerpted from Wikipedia’s “Q1146322” article, available under the CC BY-SA 4.0 licence.
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