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Supermassive black hole mass measurements for NGC 1300 and 2748 based on Hubble Space Telescope emission-line gas kinematics

  • J. W. Atkinson*
  • , J. L. Collett
  • , A. Marconi
  • , D. J. Axon
  • , A. Alonso-Herrero
  • , D. Batcheldor
  • , J. J. Binney
  • , A. Capetti
  • , C. M. Carollo
  • , L. Dressel
  • , H. Ford
  • , J. Gerssen
  • , M. A. Hughes
  • , D. Macchetto
  • , W. Maciejewski
  • , M. R. Merrifield
  • , C. Scarlata
  • , W. Sparks
  • , M. Stiavelli
  • , Z. Tsvetanov
  • R. P. Van Der Mare
*Corresponding author for this work
  • University of Hertfordshire
  • Osservatorio Astrofisico Di Arcetri, Florence
  • Rochester Institute of Technology
  • CSIC - Institute for the Structure of Matter
  • University of Oxford
  • Osservatorio Astronomico di Torino
  • ETH Zurich—Institute for Particle Physics and Astrophysics (IPA)
  • Space Telescope Science Institute
  • Johns Hopkins University
  • Durham University
  • Jagiellonian University in Kraków
  • University of Nottingham

Research output: Contribution to journalArticlepeer-review

Abstract

We present Space Telescope Imaging Spectrograph emission-line spectra of the central regions of the spiral galaxies NGC 1300 and 2748. From the derived kinematics of the nuclear gas we have found evidence for central supermassive black holes in both galaxies. The estimated masses of the black holes in NGC 1300 and 2748 are (6.6-3.2+6.3) × 107 and (4.43.6+3.5) × 107 M⊙, respectively (both at the 95 per cent confidence level). These two black hole mass estimates contribute to the poorly sampled low-mass end of the nuclear black hole mass spectrum.

Original languageEnglish
Pages (from-to)504-520
Number of pages17
JournalMonthly Notices of the Royal Astronomical Society
Volume359
Issue number2
DOIs
Publication statusPublished - 11 May 2005
Externally publishedYes

Keywords

  • Black hole physics
  • Galaxies: individual: NGC 1300
  • Galaxies: individual: NGC 2748
  • Galaxies: kinematics and dynamics
  • Galaxies: nuclei
  • Galaxies: spiral

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