| MACS 2129-1 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Aquarius |
| Right ascension | 21h 29m 22.12s |
| Declination | −07° 41′ 31.94″ |
| Redshift | 2.15 |
| Heliocentric radial velocity | 643,864 km/s |
| Distance | ~ 10 billion ly (3.1 billion pc) (light travel distance) 18 billion ly (5.5 billion pc) (present proper distance) |
| Apparent magnitude (V) | 23.8 |
| Characteristics | |
| Type | Disc galaxy |
| Size | ~50,000 ly (diameter) |
| Other designations | |
| [GRM2013] MACS J2129-0741 1 | |
MACS 2129-1 is an early universe so-called 'dead' disk galaxy discovered in 2017 by the Hubble Space Telescope from NASA.[1] It lies approximately 10 billion light-years away from Earth (current distance 18 billion light years) .[2][3] MACS 2129-1 has been described as 'dead' as it has ceased making new stars.
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See also
References
- ^ "Hubble Captures Massive Dead Disk Galaxy that Challenges Theories of Galaxy Evolution | Astronomy | hubblesite.org". HubbleSite | hubblesite.org. 21 June 2017. Retrieved 2023-10-03.
- ^ "Hubble Spots Massive, 'Dead' Disk Galaxy in Early Universe | Astronomy | Sci-News.com". Breaking Science News | Sci-News.com. 23 June 2017. Retrieved 2021-01-25.
- ^ Toft, Sune; Zabl, Johannes; Richard, Johan; Gallazzi, Anna; Zibetti, Stefano; Prescott, Moire; Grillo, Claudio; Man, Allison W. S.; Lee, Nicholas Y.; Gómez-Guijarro, Carlos; Stockmann, Mikkel; Magdis, Georgios; Steinhardt, Charles L. (2017). "A massive, dead disk galaxy in the early Universe". Nature. 546 (7659): 510–513. arXiv:1706.07030. Bibcode:2017Natur.546..510T. doi:10.1038/nature22388. PMC 6485677. PMID 28640271.
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This page was last edited on 26 March 2024, at 09:23