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Spectrum of Virgo intracluster HII region
Emission line spectrum (in the visible/near-IR spectral region) of the compact HII region in the Virgo intracluster field, as obtained with the FORS2 multi-mode instrument of the 8.2-m VLT YEPUN telescope on Paranal. Emission lines from oxygen ([OIII]) and hydrogen (H-alpha, H-beta, H-gamma) atoms as well as ionized sulphur ([SII], [SIII]) are identified.
Kredit:ESO
O snímku
Id: | eso0302e |
Typ: | Mapa |
Datum zveřejnění: | 10. ledna 2003 |
Související články: | eso0302 |
Velikost: | 1021 x 676 px |
O objektu
Jméno: | Virgo Cluster |
Typ: | Early Universe : Galaxy : Grouping : Cluster |
Kategorie: | Galaxy Clusters |
Barvy & filtry
Pásmo | Dalekohled |
---|---|
Infračervený Near-IR | Very Large Telescope FORS2 |
Optický | Very Large Telescope FORS2 |