AGC 198691
In the next article we will talk about AGC 198691, a topic of great relevance today. AGC 198691 is a topic that has captured the attention of many people around the world, whether due to its impact on society, its significance on a personal level or its influence on various aspects of daily life. Since its emergence, AGC 198691 has generated widespread debate and has sparked growing interest among experts and hobbyists alike. In this article, we will explore different aspects related to AGC 198691, analyzing its importance, its implications and its evolution over time. Get ready to enter the fascinating world of AGC 198691 and discover everything this theme has to offer!
| AGC 198691 | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Leo Minor |
| Right ascension | 09h 43m 32.43s |
| Declination | +33° 26′ 58″ |
| Distance | 41.4+5.5 −11.1 Mly (12.7+1.7 −3.4 Mpc)[1] |
| Characteristics | |
| Type | dG |
| Mass | 10×106 M☉ |
| Apparent size (V) | 3 × 4 arcsec |
| Other designations | |
| Leoncino | |
AGC 198691 is a small galaxy with one of the smallest known metallicities.[1] It has a nickname of Leoncino as it is near Leo Minor.[2] The galaxy appears blue due to the presence of several bright blue stars. There is also an HII region present that contains oxygen.[3] It is important as an indicator of the kind of galaxies first formed in the Universe.[4]
References
- ^ a b Aver, Erik; Berg, Danielle A.; Hirschauer, Alec S.; Olive, Keith A.; Pogge, Richard W.; Rogers, Noah S J.; Salzer, John J.; Skillman, Evan D. (2021). "A comprehensive chemical abundance analysis of the extremely metal poor Leoncino Dwarf galaxy (AGC 198691)". Monthly Notices of the Royal Astronomical Society. 510: 373–382. arXiv:2109.00178. doi:10.1093/mnras/stab3226.
- ^ Aron, Jacob (21 May 2016). "The galaxy that time forgot". New Scientist. 230 (3074): 12.
- ^ Nowakowski, Tomasz (16 March 2016). "Astronomers discover the most metal-poor galaxy in the local universe". phys.org. Retrieved 8 June 2016.
- ^ Hirschauer, Alec S.; Salzer, John Joseph; Cannon, John M.; Skillman, Evan D. (1 January 2016). "The Extremely Metal-Poor Dwarf Galaxy AGC 198691". American Astronomical Society. 227: 136.06. Bibcode:2016AAS...22713606H.
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