Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it. The earliest known reference to this galaxy is from a 1954 paper by Edison Pettit in The Astrophysical Journal , where it was listed as "Wilson Dwarf".

2020年6月30日 · The Local Group dwarf galaxy Sextans B, as observed with the KPNO Mayall 4-m telescope and Mosaic camera as part of the NOAO-sponsored Local Group Survey (PI: Philip Massey, Lowell Observatory). The image is a true-color combination of images in three of the filters used by the survey.

Sextans is a faint, minor constellation on the celestial equator which was introduced in 1687 by Polish astronomer Johannes Hevelius. Its name is Latin for the astronomical sextant, an instrument that Hevelius made frequent use of in his observations.

2021年4月28日 · Sextans B is an irregular dwarf galaxy, meaning that it is irregularly shaped and smaller than our galaxy, the Milky Way. It lies around 4.5 million light-years from Earth and is located in the constellation Sextans in the southern sky.

2021年4月28日 · This image of the dwarf galaxy Sextans B, taken with the Nicholas U. Mayall 4-meter Telescope at Kitt Peak National Observatory, a Program of NSF NOIRLab, contains a menagerie of astronomical objects, from bright stars in the foreground to distant galaxies hiding in the background.

2021年4月29日 · This image of the irregular dwarf galaxy Sextans B, taken by the Nicholas U. Mayall 4-m Telescope, features red-colored star-forming regions near the galaxy’s center; surrounding the galaxy are several bright stars that are located much closer to us in our Milky Way Galaxy, identified by the crisscross patterns created by light interacting ...

Sextans B, by Hubble Space Telescope. Sextans B is the second largest galaxy in the group, with a diameter of 8,900 light-years. [12] Sextans B is the most distant from Earth in the group, at 5.101 million light-years away. [12] Sextans B has a uniform stellar population, [13] but the interstellar medium in it may be inhomogeneous. [14]

2024年4月1日 · 本研究针对小行星Sextans B中正在进行的恒星形成区域，对其离子化和原子气体的运动学和激发状态进行了调查。 研究使用了6米BTA俄罗斯科学 智能科学信息平台

Sextans B, is located in the constellation Sextans , and is best seen in spring. Sextans B is magnitude 11.9, is 4.44 million light-years away, and is 5.1' x 3.5' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size. * One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.

2003年6月11日 · Image of the Local Group dwarf galaxy Sextans B, as observed with the KPNO Mayall 4-m telescope and Mosaic camera as part of the NOAO-sponsored Local Group Survey headed by Philip Massey of Lowell Observatory. The image is a true-color combination of images in three of the filters used by the survey. More information on this image (NOAO)