Sextans A
low-surface-brightness galaxy From Wikipedia, the free encyclopedia
Sextans A (also known as UGCA 205) is a small dwarf irregular galaxy located 4.3 million light-years away. It is located in the Local Group where the Milky Way is located in. It is known by other names, such as DDO 75 or the PGC 29653.
 | This article does not have any sources. (March 2025) |
Sextans A has a square shape. Large short-lived stars exploded in supernovae that made more star formation, making more supernovae, resulting in a shell. New blue stars are forming in the galaxy.
Its diameter is only about 5000 light-years across.
| Sextans A | |
|---|---|
| Observation data | |
| Constellation | Sextans |
| Right ascension | 10h 11m 00.8s |
| Declination | −04° 41′ 34″ |
| Redshift | 324 ± 2 km/s |
| Distance | 4.31 ± 0.13 Mly |
| Apparent magnitude (V) | 11.9 |
| Characteristics | |
| Type | IBm |
| Apparent size (V) | 450′.0 × 216′.0 |
| Notable features | Square shape |
| Other designations | |
| UGCA 205, DDO 75, PGC 29653 | |
Related pages
- Sextans B
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