Hubble image archive

Globular Cluster M15

CreditsNASA and The Hubble Heritage Team (STScI/AURA)

Date
Jan 1, 2002
Mission
Hubble Space Telescope
Archive ID
hubblesite-images-2002-18-1236-image
By

Credits

NASA and The Hubble Heritage Team (STScI/AURA)

Image Details

About The Object
Object NameM15, NGC 7078
Object DescriptionGlobular Cluster in the Milky Way Galaxy
R.A. Position21h 29m 58s
Dec. Position+12° 10' 00"
ConstellationPegasus
DistanceM15's distance to Earth is about 32,600 light-years (10 kiloparsecs). Its distance to the galactic center of the Milky Way is about 34,000 light-years (10.4 kiloparsecs).
DimensionsThe image is about 59 arcseconds (2.8 parsecs or 9.2 light-years) in the horizontal dimension. Mass of the black hole: 4,000 times the mass of the Sun. Mass of the globular cluster: 600,000 times the mass of the Sun
About The Data
Data DescriptionWFPC2 Data Principal Astronomers: H. E. Bond (STScI), D. R. Alves (Columbia Astrophysics Lab.), M. Livio, L. K. Fullton and K. G. Schaefer (STScI) STIS Data Principal Astronomers: R. Van Der Marel and J. Gerssen (STScI), K. Gebhardt (U. Texas at Austin), P. Guhathakurta and R. Peterson (UCO/Lick Observatory) and C. Pryor (Rutgers U.)
InstrumentHST>WFPC2 and HST>STIS
Exposure DatesDecember 1998, Exposure Time: 3.7 hours (WFPC2), and October 1999, May-October 2001, Exposure Time: 16 hours (STIS)
FiltersWFPC2: F439W (B), F547M (Strömgren y), F502N ([O III]), F656N (H alpha), F814W (I) STIS: G430M

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