NGC 5857

NGC 5857 is a barred spiral galaxy located approximately 450 million light-years away in the constellation Boötes. It was discovered on April 27, 1788, by William Herschel.

Characteristics:

NGC 5857 is classified as SBb, indicating a barred spiral galaxy with moderately tightly wound spiral arms. The bar structure is prominent and well-defined. It exhibits a relatively bright nucleus and a moderate amount of star formation within its spiral arms. Its redshift indicates its recession velocity due to the expansion of the universe.

Observations:

Visually, NGC 5857 appears as a faint, elongated patch of light through moderate-sized telescopes. Larger telescopes reveal more detail in its spiral arms and the presence of the bar. The galaxy is often observed as part of galaxy surveys and studies focused on the distribution and evolution of galaxies in the universe.

Environment:

NGC 5857 resides in a relatively sparse region of space, not known to be part of any major galaxy cluster. This isolation may influence its evolution and star formation history compared to galaxies within dense cluster environments.

Data:

• Right Ascension: 15h 07m 27.2s
• Declination: +19° 26′ 00″
• Redshift: ~0.0335
• Distance: ~450 million light-years
• Apparent Magnitude: ~13.5