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BRI 1335-0417 is the most distant known spiral galaxy, as of 2021. It is located in the Virgo constellation. The galaxy has a redshift of 4.4, meaning its light took 12.4 billion years to reach Earth, when the universe was 1.4 billion years old, and its present comoving distance is about 25 billion light-years. It is discovered by ALMA, led by Takafumi Tsukui and his colleague, professor Satoru Iguchi from SOKENDAI, and the National Astronomical Observatory of Japan, in May 2021.[1]
| BRI 1335-0417 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 13h 38m 03.38s |
| Declination | −04° 32′ 35.3″ |
| Redshift | 4.4 |
| Heliocentric radial velocity | 1,321,305 km/s (821,021 mi/s) |
| Galactocentric velocity | 1,321,240 km/s (820,980 mi/s) |
| Distance | 12.4 billion ly (3.8 billion pc) (light travel distance) 25 billion ly (7.7 billion pc) (comoving distance) |
| Apparent magnitude (V) | 19.4 |
| Characteristics | |
| Type | S |
| Size | 30,000 ly (9,200 pc) (diameter) 15,000 ly (4,600 pc) (radius) |
| Apparent size (V) | 0.008 × 0.008 |
| Other designations | |
| WISEA J133803.37-043234.9, QSO J1338-0432 | |
See also
editReferences
edit- ^ "ALMA Spots Candidate for Most Distant Known Spiral Galaxy". www.sci-news.com. May 20, 2021. Retrieved 20 May 2021.
External links
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