Two ten-billion-solar-mass black holes at the centres of giant elliptical galaxies

Year2011
JournalNature
AuthorMcConnell, N. J., Ma, C.-P., Gebhardt, K., Wright, S. A., Murphy, J. D., Lauer, T. R., Graham, J. R., and Richstone, D. O.
Bibcode2011Natur.480..215M
TelescopeGN
InstrumentGMOS-N
PartnerUS
CountryUSA
Program IDGN-2003A-Q-11

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