White Dwarf Stars in M4

A view of globular cluster M4 (fourth object in the Messier catalog of star clusters and nebulae). The nearest globular cluster to Earth (7, 000 light-years away), and containing more than 100, 000 stars, M4 was the target of a Hubble Space Telescope search for white dwarf stars.


Kitt Peak National Observatory 0.9-meter telescope, National Optical Astronomy Observatories; courtesy M. Bolte (Universityof California, Santa Cruz)

About the Image

NASA press release
NASA caption
Release date:28 August 1995, 06:00
Size:1000 x 1000 px

About the Object

Name:M 4, Messier 4, NGC 6121
Type:Milky Way : Star : Grouping : Cluster : Globular
Distance:5500 light years
Category:Star Clusters

Image Formats

Large JPEG
540.7 KB
Screensize JPEG
501.6 KB


Position (RA):16 23 34.71
Position (Dec):-26° 31' 23.55"
Field of view:13.15 x 13.15 arcminutes
Orientation:North is 181.1° left of vertical

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