U2644

U2644 is a designation that can refer to several distinct entities, depending on the context. One notable instance is U2644, a specific star within the constellation of Orion. This star is a red supergiant, significantly larger and more luminous than our Sun. Its spectral type is M, indicating its cool surface temperature. U2644 is located at a considerable distance from Earth, and its observed properties contribute to astronomical studies of stellar evolution.

Another context for U2644 is as a designation within a particular classification system or database. For example, it might represent a catalog number for a chemical compound, a biological sample, or an artifact in an archaeological dig. The specific nature of U2644 in such a case would be detailed within the relevant database or research paper. Without further information about the field of inquiry, it is difficult to provide more specifics. This alphanumeric identifier serves as a unique marker for identification and retrieval of associated data.