GR Muscae

GR Muscae is a variable star located in the constellation Musca (the Fly). It is classified as a classical Cepheid variable, meaning its brightness varies periodically due to pulsations in its outer layers.

Cepheid variables like GR Muscae are important standard candles for determining astronomical distances. Their pulsation period is directly related to their intrinsic luminosity, a relationship known as the Leavitt Law. By measuring the period of a Cepheid's brightness variations, astronomers can determine its luminosity and, by comparing that to its observed brightness, calculate its distance.

GR Muscae exhibits a relatively short pulsation period for a Cepheid. Its variability makes it a target of interest for amateur and professional astronomers interested in studying the properties and evolution of these important distance indicators. Precise measurements of its light curve and radial velocity can provide insights into the star's physical parameters, such as its mass, radius, and temperature.

The star is located within our Milky Way galaxy. Its specific coordinates and apparent magnitude can be found in astronomical catalogs and databases.