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...

Upsilon Andromedae (υ Andromedae, abbreviated Upsilon And, υ And) is a binary star located 44 light-years from Earth in the constellation of Andromeda...

Alpheratz /ælˈfɪəræts/, or Alpha Andromedae (α Andromedae, abbreviated Alpha And or α And), is a binary star 97 light-years from Earth and is the brightest...

Gamma Andromedae, Latinized from γ Andromedae, is the third-brightest point of light in the northern constellation of Andromeda. It is a multiple star...

F-type main-sequence star Upsilon Andromedae A, approximately every five days. Discovered in June 1996 by Geoffrey Marcy and R. Paul Butler, it was one of the...

technique for measuring the similarity between two data clusters R Andromedae (R And), a variable star Rand Airport, an airport near Johannesburg This...

1954 introduced a two-dimensional scheme of the form SX,Y. For example, R Andromedae is listed as S6,6e. X is the temperature class. It is a digit between...

Andromedae A every 241.3 days at an average distance of 0.83 AU (124 million km; 77 million mi). Its discovery in April 1999 by Geoffrey Marcy and R....

he retired, he succeeded in detecting technetium in the variable star R Andromedae and other red variables. Since technetium has no stable isotopes, it...

Kappa Andromedae b is a directly imaged substellar object and likely superjovian-mass planet orbiting Kappa Andromedae, a young B9IV star in the Andromeda...