| HFLS 3 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Draco |
| Right ascension | 17h06m 47.8s[1] |
| Declination | +58° 46′ 23″[1] |
| Redshift | 6.34[1] |
| Heliocentric radial velocity | 288866 km/s[1] |
| Distance | 12.8 billion light-years (4.0 billion parsecs) (light travel distance) 28 billion light-years (8.6 billion parsecs) (present proper distance) |
| Characteristics | |
| Mass | 2.7×1011[2] M☉ |
| Number of stars | 35 billion (3.5×1010) |
| Notable features | Interacting galaxies |
| Other designations | |
| 1HERMES S350 J170647.8+584623,[1] [RCP2021] HFLS3 | |
HFLS3 is the name for a distant galaxy at z = 6.34 (i.e. 12.8 billion light-years), originating about 880 million years after the Big Bang.[2] Its discovery was announced on 18 April 2013 as an exceptional starburst galaxy producing nearly 3,000 solar masses of stars a year.[2] It was found using the far-infrared-capable Herschel Space Telescope.[2] The galaxy was estimated to have 35 billion stars.[3] It is 10–30 times the mass of other known galaxies at such an early time in the universe.
HFLS3 was subjected to a follow-up campaign by other telescopes due to its high redness. It was found in the HerMES campaign, which also found other very red sources.[4]
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