Pyxis globular cluster
In the article presented below, the topic of Pyxis globular cluster will be addressed from a multidisciplinary approach, with the aim of providing a comprehensive and complete vision of this issue. Various perspectives and points of view will be examined that will allow the reader to understand the importance and relevance of Pyxis globular cluster in different contexts and situations. Through a detailed and rigorous analysis, we will seek to shed light on little-known or overlooked aspects, in order to enrich knowledge and understanding about Pyxis globular cluster.
| 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 | [Fe/H] = −1.20±0.15[1] dex |
| Estimated age | 13.3±1.3 Gyr[1] |
| Other designations | Pyxis globular cluster |
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]
References
- ^ a b c d Sarajedini, Ata; Geisler, Doug (1996). "Deep Photometry of the Outer Halo Globular Cluster in PYXIS". Astronomical Journal. 112: 2013. Bibcode:1996AJ....112.2013S. doi:10.1086/118159.
- ^ Irwin, M. J.; Demers, Serge; Kunkel, W. E. (1995). "The PYXIS Cluster: A Newly Identified Galactic Globular Cluster". Astrophysical Journal Letters. 453: L21. Bibcode:1995ApJ...453L..21I. doi:10.1086/513301.
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