HST PHAT wide image of M31

This image is 7,900 light-years across and reveals the Andromeda galaxy's crowded central region. The bright area near the centre of the image is a grouping of stars nestled around the galaxy's black hole. The blue dots sprinkled throughout the image are ultra-blue stars whose population increases around the crowded hub. The blue stars are old Sun-like stars that have prematurely cast off their outer layers of material, exposing their extremely blue-hot cores.

Credit:

NASAESA, and B. Williams and J. Dalcanton (University of Washington, Seattle)

About the Image

NASA press release
NASA caption
Id:opo1203c
Type:Observation
Release date:11 January 2012, 19:51
Size:3106 x 2003 px

About the Object

Name:Andromeda Galaxy, M 31, Messier 31, NGC 224
Type:• Local Universe : Galaxy : Component : Center/Core
• X - Galaxies Images/Videos


Image Formats

Large JPEG
4.7 MB
Screensize JPEG
305.5 KB

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Wallpapers

1024x768
496.6 KB
1280x1024
925.6 KB
1600x1200
1.4 MB
2048x1536
2.4 MB

Colours & filters

BandWavelengthTelescope
Ultraviolet
U
336 nm Hubble Space Telescope
WFC3
Optical
g
336 nm Hubble Space Telescope
ACS
Infrared
I
814 nm Hubble Space Telescope
ACS
Infrared
I
814 nm Hubble Space Telescope
WFC3

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