The unusual cluster Terzan 5

Peering through the thick dust clouds of the galactic bulge an international team of astronomers has revealed the unusual mix of stars in the stellar cluster known as Terzan 5. The new results indicate that Terzan 5 is in fact one of the bulge's primordial building blocks, most likely the relic of the very early days of the Milky Way.

This picture is from the Multi-Conjugate Adaptive Optics Demonstrator (MAD), a prototype adaptive optics system used to demonstrate the feasibility of different techniques in the framework of the E-ELT and the second generation VLT Instruments. The star colours are from the Hubble image of the same star field.

Kilde:

ESO/F. Ferraro

Om billedet

Id:eso1630a
Type:Observation
Udgivelsesdato:7. september 2016 16:00
Relaterede pressemeddelelser:eso1630
Størrelse:1142 x 671 px

Om objektet

Navn:Terzan 5
Type:Milky Way : Star : Grouping : Cluster : Open
Constellation:Sagittarius
Kategori:Star Clusters

Billedformater

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Koordinater

Position (RA):17 48 4.85
Position (Dec):-24° 46' 55.54"
Field of view:0.95 x 0.56 arcminutes
Orientering:Nord er 90.2° venstre fra lodret

Farver & filtre

BåndBølgelængdeTeleskop
Optisk
V
606 nmHubble Space Telescope
ACS
Optisk
I
814 nmHubble Space Telescope
ACS
Infrarød
K
Very Large Telescope
ESO Multi-conjugate Adaptive optics Demonstrator (MAD)