Hubble image archive

Close Up of Ancient, White Dwarf Stars in the Milky Way Galaxy

CreditsNASA and H. Richer (University of British Columbia)

Date
Jan 1, 2002
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2002-10-1178-image
By

Credits

NASA and H. Richer (University of British Columbia)

Image Details

About The Object
Object NameM4, NGC 6121
Object DescriptionGlobular Cluster, White Dwarf Stars
R.A. Position16h 23m 35.4s
Dec. Position-26° 31' 31.9"
ConstellationScorpius
DistanceM4 is roughly 5,600 light-years from the Earth.
Dimensions1 light-year across
About The Data
Data DescriptionWFPC2 data Principal Astronomers: H. Richer (UBC), D. Vandenberg (U.Victoria), P. Stetson (DAO), M. Bolte (UCSC/Lick Obs.), C. Pryor (Rutgers U.), R. Mcclure (DAO), J. Hesser (DAO), G. Fahlman (CFHT), H. Bond (STScI), R. Bell (U. Maryland) STIS data Principal Astronomers: H. Richer (U. British Columbia), G. Fahlman (CFHT), B. Gibson (U. Colorado), B. Hansen (Princeton U.), R. Ibata (ESO), M. Limongi (Osservatorio Astronomico di Roma), M. Rich (UCLA), M. Shara (AMNH), P. Stetson (DAO)
InstrumentHST>WFPC2 and HST>STIS/MULTIACCUM
Exposure DatesFebruary - March 1995, Exposure Time: 1.2 days (WFPC2), and January - April 2001, Exposure Time: 7.4 days (STIS)
FiltersF336W (B), F555W (V), F814W (I)

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