The Pyxis globular cluster is a globular cluster in the constellation Pyxis. It lies around 130,000 light-years distant from earth and around 133,000 light-years distant from the centre of the Milky Way—a distance not previously thought to contain globular clusters. It is around 13.3 ± 1.3 billion years old.[1] Discovered in 1995 by astronomer Ronald Weinberger while he was looking for planetary nebulae, it is in the Galactic halo. Irwin and colleagues noted that it appears to lie on the same plane as the Large Magellanic Cloud and raised the possibility that it might be an escaped object from that galaxy.[2]

Pyxis globular cluster
Observation data (J2000 epoch)
Constellation	Pyxis
Right ascension	09h 07m 57.80s
Declination	–37° 13′ 17.0″
Distance	130 kly (40 kpc)[1]
Physical characteristics
Metallicity	${\displaystyle {\begin{smallmatrix}\left[{\ce {Fe}}/{\ce {H}}\right]\end{smallmatrix}}}$ = -1.20 ± 0.15[1] dex
Estimated age	13.3 ± 1.3 Gyr[1]
Other designations	Pyxis globular cluster
See also: Globular cluster, List of globular clusters

References

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