J/ApJ/662/808 Cusp radius in luminous elliptical galaxies (Lauer+, 2007) ================================================================================ The masses of nuclear black holes in luminous elliptical galaxies and implications for the space density of the most massive black holes. Lauer T.R., Faber S.M., Richstone D., Gebhardt K., Tremaine S., Postman M., Dressler A., Aller M.C., Filippenko A.V., Green R., Ho L.C., Kormendy J., Magorrian J., Pinkney J. =2007ApJ...662..808L ================================================================================ ADC_Keywords: Galaxy catalogs ; Magnitudes ; Velocity dispersion Keywords: black hole physics - galaxies: nuclei - galaxies: structure Abstract: Black hole (BH) masses predicted from the M_BH_-sigma relationship conflict with predictions from the M_BH_-L relationship for high-luminosity galaxies, such as brightest cluster galaxies (BCGs). The M_BH_-L relationship predicts that some BCGs may harbor BHs with M_BH_ approaching 10^10^M_{sun}_ while the M_BH_-sigma relationship always predicts M_BH_<3x10^9^M_{sun}_. We argue that the M_BH_-L relationship is a plausible description for galaxies of high luminosity. If the cores in central stellar density are formed by binary BHs, the inner core cusp radius, r{gamma}, may be an independent witness of M_BH_. Using central structural parameters derived from a large sample of early-type galaxies observed by HST, we argue that L is superior to sigma as an indicator of r{gamma}. File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file table1.dat 51 219 Galaxy Parameters -------------------------------------------------------------------------------- See also: J/ApJ/440/28 : Brightest Cluster Galaxies velocities (Postman+ 1995) Byte-by-byte Description of file: table1.dat -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 13 A13 --- Name Galaxy name 15- 17 A3 --- MType Morphology (1) 19- 24 F6.2 mag VMAG Absolute V band magnitude (2) 26- 28 I3 km/s sigma ? Hyperleda database velocity dispersion 30- 31 A2 --- P Profile type (3) 33- 36 F4.2 [pc] logR Log of the cusp radius (4) 38- 42 F5.2 mag/arcsec2 mu The V band cusp surface brightness 44- 51 A8 --- OName Alternative identification -------------------------------------------------------------------------------- Note (1): BCG identifications are referred to their hosting Abell clusters; see Postman & Lauer (1995, Cat. J/ApJ/440/28) for details. Note (2): Bulge luminosities are given for S0 and spiral galaxies. Note (3): Profile type as follows: PL = power-law IF = intermediate form C = core Note (4): The radius at which the negative logarithmic-slope of a galaxy's surface brightness profile reaches a pre-specified value {gamma}. The average error is 30%, based on comparison of Nuker parameters to non-parametric estimates of the same parameters. -------------------------------------------------------------------------------- History: From electronic version of the journal ================================================================================ (End) Greg Schwarz [AAS], Patricia Vannier [CDS] 22-May-2009