7145E

7145E is a designation used in various contexts, primarily in the fields of astronomy and astrophysics. It is often associated with specific celestial objects or phenomena. In the context of minor planets, 7145E refers to a specific asteroid, designated 7145 (1991 VG). This asteroid was discovered on November 4, 1991, by astronomers Eleanor Helin and Kenneth J. Lawrence at the Palomar Observatory in California, USA. It is classified as a main-belt asteroid, orbiting the Sun between Mars and Jupiter. The "E" in the designation typically indicates that the asteroid was discovered during the second half of the month of November.

In the context of astrophysics, 7145E might also refer to a specific star or other celestial object, depending on the specific database or catalog being used. For example, in the Hipparcos catalog, 7145E refers to a star with the designation HIP 7145E, which is part of a binary star system. This star is located in the constellation of Andromeda and has a visual magnitude of approximately 9.5, making it visible with a small telescope.

The designation 7145E can also appear in other scientific contexts, such as in the naming of specific experiments or observations. For example, in the field of particle physics, 7145E might refer to a specific experiment or data set collected by a particle accelerator or detector. The exact meaning of 7145E would depend on the specific context in which it is used.