Ci scusiamo. Questa pagina non è ancora disponibile nella lingua scelta e perciò viene mostrata la versione originale.
The star cluster Terzan 5
Peering through the thick dust clouds of our galaxy's central parts (the "bulge") with an amazing amount of detail, a team of astronomers has revealed an unusual mix of stars in the stellar grouping known as Terzan 5. Never observed anywhere in the bulge before, this peculiar cocktail of stars suggests that Terzan 5 is in fact one of the bulge's primordial building blocks, most likely the relic of a dwarf galaxy that merged with the Milky Way during its very early days.
This near-infrared image was obtained with the Multi-conjugate Adaptive Optics Demonstrator (MAD) instrument on ESO's Very Large Telescope. Observations in two bands (J and K) were combined. The field of view is 40 arcseconds across.
ESO/F. Ferraro
A proposito dell'immagine
| Identificazione: | eso0945a |
| Tipo: | Osservazione |
| Data di pubblicazione: | Mercoledì 25 Novembre 2009 12:00 |
| Notizie relative: | eso0945 |
| Dimensione: | 1355 x 1373 px |
A proposito delll'oggetto
| Nome: | Terzan 5 |
| Tipo: | Milky Way : Star : Grouping : Cluster |
| Distanza: | 25000 Anni luce |
| Constellation: | Sagittarius |
| Categoria: | Star Clusters |
Formati delle immagini
Coordinate
| Position (RA): | 17 48 4.43 |
| Position (Dec): | -24° 46' 48.24" |
| Field of view: | 0.63 x 0.64 arcminutes |
| Orientazione: | Il Nord è a 179.8° a destra della verticale |
Vista con il WorldWide Telescope:
Colori e filtri
| Banda | Lunghezza d'onda | Telescopio |
|---|---|---|
| Infrarosso J | 1.1 μm | Very Large Telescope ESO Multi-conjugate Adaptive optics Demonstrator (MAD) |
| Infrarosso Pseudogreen (J+K) | Very Large Telescope ESO Multi-conjugate Adaptive optics Demonstrator (MAD) | |
| Infrarosso K | 2.2 μm | Very Large Telescope ESO Multi-conjugate Adaptive optics Demonstrator (MAD) |