Eta Andromedae: Perbedaan antara revisi

| names=η&nbsp;And, Eta&nbsp;Andromedae, Eta&nbsp;And, [[Flamsteed designation|38&nbsp;Andromedae]], 38&nbsp;And, [[Double star designation|MKT 2]], [[Double star designation|FOX 116A]], [[Durchmusterung|BD]]+22°153, [[Catalog of Components of Double and Multiple Stars|CCDM]]&nbsp;J00572+2325A, [[Fifth Fundamental Catalogue|FK5]]&nbsp;2060, [[Boss General Catalogue|GC]]&nbsp;1136, [[Henry Draper Catalogue|HD]]&nbsp;5516, [[Hipparcos Catalogue|HIP]]&nbsp;4463, [[Bright Star Catalogue|HR]]&nbsp;271, [[Index Catalogue of Visual Double Stars|IDS]]&nbsp;00519+2253&nbsp;A, [[PPM Star Catalogue|PPM]]&nbsp;90327, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]]&nbsp;74388, [[Washington Double Star Catalog|WDS]]&nbsp;00572+2325A/Aa.<ref name=sb0 /> Entry 00572+2325, discoverer code MKT 2, components Aa,

[[Berkas:Eta_And_AB_Orbit.jpg|thumbjmpl|230px|leftkiri|η Andromedae system as seen from earth orbit, [[Triangulum Galaxy|M 33]] in background]]

Eta Andromedae ditemukan dan diamati sebagai [[bintang ganda]] pada tahun 1899 dan 1900.<ref>A list of nine stars whose velocities in the line of sight are variable, W. W. Campbell and W. H. Wright, ''Astrophysical Journal'' '''12''' (November 1900), pp. 254–257, {{bibcode|1900ApJ....12..254C}}, {{doi|10.1086/140765}}.</ref> Its orbit was computed in 1946 from spectroscopic observations.<ref>The Spectroscopic Binary η Andromedae, Katherine C. Gordon, ''Astrophysical Journal'' '''103''' (January 1946), pp. 13–15, {{bibcode|1946ApJ...103...13G}}.</ref>. Pada pengamatan tahun 1990 sampai 1992, Eta Andromedae diamati melalui [[Mark III Stellar Interferometer]] di [[Mount Wilson Observatory]], [[California]], [[Amerika Serikat]]. Hasil pengamatini ini dilaporkan pada tahun 1993.<ref name=intf />

[[Berkas:Andromeda stars.png|thumbjmpl|400px|nonenir|Diagram of Andromeda constellation]]

[[Nama]] lain yang diberikan oleh para astronom untuk [[bintang]] ini adalah :

* [http://www.alcyone.de/cgi-bin/search.pl?object=HR0271 η Andromedae] {{Webarchive|url=https://web.archive.org/web/20090827060704/http://www.alcyone.de/cgi-bin/search.pl?object=HR0271 |date=2009-08-27 }} at Alycone Software's Star Data Pages