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IC 4263

Coordinates: Sky map 13h 28m 32.2s, +46° 55′ 38″
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IC 4263
A image of the IC 4263 galaxy
Observation data (J2000 epoch)
ConstellationCanes Venatici
Right ascension13h 28m 33.530s[1]
Declination+46° 55′ 38.27″[1]
Redshift0.009074[1]
Heliocentric radial velocity2708 km/s[1]
Distance141 million
Characteristics
TypeSA_B[1]
Other designations
UGC 8470, MCG +08-25-007, PGC 47270[1]

IC 4263 an edge-on barred spiral galaxy in the constellation Canes Venatici. Its velocity relative to the cosmic microwave background is 2,887 ± 13 km/s , which corresponds to a Hubble distance of 42.6 ± 3.0 Mpc (~139 million light years ). It was discovered by American astronomer James Edward Keeler in 1899.[2]

IC 4263 is class IV in luminosity and has a broad HI 1 line. With a surface brightness of 14.20 mag / am 2, IC 4263 can be described as a low surface brightness (LSB) galaxy. LSB galaxies are diffuse (D) galaxies with a surface brightness less than one magnitude lower than that of the ambient night sky.

To date, six non-redshift measurements give a distance of 40.150 ± 2.601 Mpc (~131 million lightyears), which is within the Hubble distance values.[3]

References

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  1. ^ a b c d e f "IC 4263". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2025-04-21.
  2. ^ Courtney Seligman. "Celestial Atlas Table of Contents, IC 4263". Retrieved 25 March 2023..
  3. ^ "Les données de «Revised NGC and IC Catalog by Wolfgang Steinicke», IC 4200 à 4299". astrovalleyfield.com (in French). Retrieved 6 January 2024.
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