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Who discovered Andromeda constellation?
Ptolemy
Andromeda was one of the original 48 constellations formulated by Ptolemy in his 2nd-century Almagest, in which it was defined as a specific pattern of stars.
What galaxy is Mirach?
the Andromeda galaxy
People often find the Andromeda galaxy (M31) – the large spiral galaxy next door to our Milky Way – by star-hopping from Alpheratz, to Mirach and Mu Andromedae, to the galaxy. Mirach, also known as Beta Andromedae, is a moderately bright star in the constellation Andromeda.
What kind of star is Mirach?
red giant star
Mirach is a red giant star of spectral type M0 III. It is also a semiregular variable star, having an apparent magnitude of 2.05, which sometimes varies from magnitude 2.01 to 2.10. Its absolute magnitude is -1.76.
What type of star is Mirach?
Mirach is a M0IIIVAR giant star based on the spectral type that was recorded in the Hipparcos star catalogue. Mirach is a main star in the constellation Andromeda and makes up the constellation outline. Based on the spectral type (M0IIIvar) of the star, the star’s colour is red .
Is mirmirach a red giant?
Mirach, Beta Andromedae (β And), is a red giant star located in the constellation Andromeda. With a mean apparent magnitude of 2.05, it is one of the two brightest stars in Andromeda, along with Alpheratz.
What is Mirach’s ghost?
Mirach’s Ghost is a faint, fuzzy galaxy – well known to astronomers – that happens to be seen nearly along our line-of-sight to Mirach, a bright star. In this image, the galaxy is at about 11 o’clock with respect to the star.
Can you see mirmirach with a telescope?
Mirach is the 54th brightest star in the night sky and the 2nd brightest star in Andromeda based on the Hipparcos 2007 apparent magnitude. The star can be seen with the naked eye, that is, you don’t need a telescope/binoculars to see it.