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IC 2118

Sorgin Buru Nebulosa
Sorgin Buru Nebulosa
Datuak
Igoera zuzena (({igoera zuzena))}
Deklinazioa (({deklinazioa))}
Distantzia 1000 argi-urte
Itxurazko magnitudea 3.0
Itxurazko tamaina (({tamaina))}
Konstelazioa Eridanus
Izen teknikoa
NGC
NGC 1909
Izen teknikoa
M
M


IC 2118, NGC 1909 edo Sorgin Buru nebulosa bezala ere ezaguna, argitasun ahuleko islada nebulosa bat da. Supernoba hondar zahar bat edo gertu dagoen Rigel izar supererraldoi urdinak argiztaturiko gas laino bat dela uste da. Eridanus konstelazioan dago, Oriondik gertu, Lurretik 1.000 argi-urteko distantziara. Argi urdina gorria baino gehiago isladatzen duten partikulen izaeragatik du nebulosa honek bere kolore urdina. Irrati uhinen bidez eginiko behaketek, nagusiki, IC 2118ren zati batzuetan karbono monoxidozko igorpenak erakusten dituzte, nebulosan izar eraketaren eta molekula lainoen presentziaren adierazle dena. Izan ere, sekuentzia nagusiko aurreizar izateko hautagaiak eta T Tauri izarren ohiko adibide batzuk nebulosa honen sakonenean aurkitu dira.

Kanpo estekak

[aldatu | aldatu iturburu kodea]
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IC 2118
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