* Astronomy

Blobrana · L

RE: R Andromedae

Blobrana · L

Maxima of the long period variable star R Andromedae on the 28th January, 2014

Blobrana · L

Maxima of the long period variable star R Andromedae on the 14th December, 2012

Blobrana · L

Maxima of long period variable R Andromedae on the 23rd November, 2011

Magnitude range: 6.9-14.3
Period: 409.33 days
Type: Mira

Position (J2000): R.A. 00 24 01.94782 | Dec. +38° 34' 37.3542''

Blobrana · L

Maxima of the long period variable star R Andromedae on the 31st October, 2011.

Magnitude range: 5.8 - 14.9
Period: 409.3 days
Type: Mira

Position (J2000): R.A. 00 24 01.94782 | Dec. +38° 34' 37.3542''

Google earth file: R Andromedae.kmz (1kb, kmz)

Blobrana · L

R Andromedae (R And) is a Mira-type variable star in the constellation Andromeda. Its spectral class is type S, because it shows absorption bands of zirconium monoxide in its spectrum. It was among the stars found by Paul Merrill to show absorption lines of the unstable element technetium, establishing that nucleosynthesis must be occurring in stars.
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