A fascinating core

This NASA/ESA Hubble Space Telescope image captures the galaxy Messier 84 — also known as NGC 4374 — an object from the Messier catalogue, published in its final version in 1781 by Charles Messier.

This elliptical galaxy was discovered in March 1781 and lies about 60 million light-years away from Earth in the constellation of Virgo (The Virgin). The galaxy is part of the very heavily populated centre of the Virgo Cluster, a cluster which consists of more than 1000 galaxies.

This image does not show the whole galaxy but only its very interesting centre, and is likely to be the best image of the region ever captured. Previous observations using Hubble’s Space Telescope Imaging Spectrograph (STIS) revealed a supermassive black hole in the centre of Messier 84. Astronomers found the supermassive black hole by mapping the motion of the gas and the stars which are caught in its grip.

Next to its interesting centre Messier 84 is also known for its supernovae. Two supernovae have been observed within the galaxy. The first, SN1957 was discovered in 1957 and another, called SN1991bg, was discovered in 1991.

Credit:

ESA/Hubble & NASA

About the Image

Id:potw1522a
Type:Observation
Release date:1 June 2015, 10:00
Size:597 x 634 px

About the Object

Name:M 84
Type:Local Universe : Galaxy : Type : Elliptical
Distance:60 million light years
Constellation:Virgo
Category:Nebulae

Image Formats

Large JPEG
82.3 KB
Screensize JPEG
143.6 KB

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161.9 KB
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242.4 KB
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318.3 KB
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347.3 KB
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447.4 KB

Coordinates

Position (RA):12 25 3.72
Position (Dec):12° 53' 13.35"
Field of view:0.50 x 0.53 arcminutes
Orientation:North is 23.3° right of vertical

Colours & filters

BandWavelengthTelescope
Optical
V
547 nm Hubble Space Telescope
WFPC2
Optical
R
702 nm Hubble Space Telescope
WFPC2
Infrared
I
814 nm Hubble Space Telescope
WFPC2
Optical
H-alpha
658 nm Hubble Space Telescope
WFPC2

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