Wikipedia
ESO 540-030
ESO 540-030 is a faint dwarf galaxy in the Sculptor Group.[1] It has the appearance of a massive scattering of dim stars.
| ESO 540-030 | |
|---|---|
Hubble Space Telescope image of ESO 540-030 | |
| Observation data (J2000 epoch) | |
| Constellation | Sculptor |
| Right ascension | 00h 49m 21.1s[1] |
| Declination | −18° 04′ 34″[1] |
| Redshift | 0.000747[2] |
| Heliocentric radial velocity | 224 km/s[2] |
| Distance | 11.35 ± 0.26 Mly (3.48 ± 0.08 Mpc)[2] |
| Group or cluster | Sculptor Group |
| Apparent magnitude (B) | 16.45[1] |
| Characteristics | |
| Type | dG[1] |
| Apparent size (V) | 0.81′ × 0.56′[1] |
| Other designations | |
| PGC 2881[1] | |
The galaxy is located slightly more than 11 million light-years from Earth. It is difficult to observe due to galaxies situated behind ESO 540-030, and five bright stars between the galaxy and the Solar System.[3] The brightest of them is located around 1500 light-years away from us.[4]
References edit
- ^ a b c d e f g "ESO 540-30". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 4 January 2018.
- ^ a b c Tully, R. Brent; et al. (2013). "Cosmicflows-2: The Data". The Astronomical Journal. 146 (4): 86. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86. S2CID 118494842.
- ^ "Astronomical vision test | ESA/Hubble". Spacetelescope.org. 2011-08-29. Retrieved 2012-11-13.
- ^ "Gaia Archive". gea.esac.esa.int. Retrieved 2022-08-26.