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Testing the robustness of black hole mass measurements with ALMA and MUSE

Published online by Cambridge University Press:  14 May 2020

Sabine Thater Open the ORCID record for Sabine Thater [Opens in a new window] ,
Davor Krajnović ,
Dieu D. Nguyen Open the ORCID record for Dieu D. Nguyen [Opens in a new window] ,
Satoru Iguchi  and
Peter M. Weilbacher
Sabine Thater
Affiliation:
Leibniz-Institute for Astrophysics Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany email: [email protected]
Davor Krajnović
Affiliation:
Leibniz-Institute for Astrophysics Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany email: [email protected]
Dieu D. Nguyen
Affiliation:
National Astronomical Observatory of Japan, 2 Chome-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Satoru Iguchi
Affiliation:
National Astronomical Observatory of Japan, 2 Chome-21-1 Osawa, Mitaka, Tokyo 181-0015, Japan
Peter M. Weilbacher
Affiliation:
Leibniz-Institute for Astrophysics Potsdam (AIP), An der Sternwarte 16, 14482 Potsdam, Germany email: [email protected]
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Abstract

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We present our ongoing work of using two independent tracers to estimate the supermassive black hole mass in the nearby early-type galaxy NGC 6958; namely integrated stellar and molecular gas kinematics. We used data from the Atacama Large Millimeter/submillimeter Array (ALMA), and the adaptive-optics assisted Multi-Unit Spectroscopic Explorer (MUSE) and constructed state-of-the-art dynamical models. The different methods provide black hole masses of (2.89±2.05)×108M⊙ from stellar kinematics and (1.35±0.09)×108M⊙ from molecular gas kinematics which are consistent within their 3σ uncertainties. Compared to recent MBH - σe scaling relations, we derive a slightly over-massive black hole. Our results also confirm previous findings that gas-based methods tend to provide lower black hole masses than stellar-based methods. More black hole mass measurements and an extensive analysis of the method-dependent systematics are needed in the future to understand this noticeable discrepancy.

Keywords

galaxies: kinematics and dynamicsgalaxies: nucleigalaxies: individual (NGC6958)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S353: Galactic Dynamics in the Era of Large Surveys , June 2019 , pp. 199 - 202
Copyright
© International Astronomical Union 2020

References

Barth, A. J., Darling, J., Baker, A. J., Boizelle, B. D., Buote, D. A., Ho, L. C., & Walsh, J. L. 2016, ApJ, 823, 5110.3847/0004-637X/823/1/51CrossRefGoogle Scholar
Cappellari, M. & Emsellem, E. 2004, PASP, 116, 13810.1086/381875CrossRefGoogle Scholar
Davis, T. A., Bureau, M., Cappellari, M., Sarzi, M., & Blitz, L. 2013, Nature, 494, 32810.1038/nature11819CrossRefGoogle Scholar
Falcón-Barroso, J., Sánchez-Blázquez, P., Vazdekis, A., Ricciardelli, E., Cardiel, N., Cenarro, A. J., Gorgas, J., & Peletier, R. F. 2011, A&A, 532, A95Google Scholar
Gebhardt, K., Adams, J., Richstone, D., Lauer, T. R., Faber, S. M., Gültekin, K., Murphy, J., & Tremaine, S. 2011, ApJ, 729, 11910.1088/0004-637X/729/2/119CrossRefGoogle Scholar
Jeter, B., Broderick, A. E., & McNamara, B. R. 2019, ApJ, 882, 8210.3847/1538-4357/ab3221CrossRefGoogle Scholar
Kormendy, J. & Ho, L.C. 2013, Annu. Rev. Astro. Astrophys., 51, 51110.1146/annurev-astro-082708-101811CrossRefGoogle Scholar
Krajnović, D., Cappellari, M., McDermid, R. M., Thater, S., Nyland, K., de Zeeuw, P. T., Falcón-Barroso, J., Khochfar, S., Kuntschner, H., Sarzi, M., & Young, L. M. 2018, MNRAS, 477, 303010.1093/mnras/sty778CrossRefGoogle Scholar
Madore, B. F., Freedman, W. L., & Bothun, G. D. 2004, ApJ, 607, 81010.1086/383486CrossRefGoogle Scholar
Noel-Storr, J., Baum, S. A., & O’Dea, C. P. 2003, ApJS, 148, 41910.1086/377251CrossRefGoogle Scholar
Noel-Storr, J., Baum, S. A., & O’Dea, C. P. 2007, ApJ, 663, 7110.1086/518359CrossRefGoogle Scholar
Onishi, K., Iguchi, S., Davis, T. A., Bureau, M., Cappellari, M., Sarzi, M., & Blitz, L. 2017, MNRAS, 468, 466310.1093/mnras/stx631CrossRefGoogle Scholar
Saglia, R. P., Opitsch, M., Erwin, P., Thomas, J., Beifiori, A., Fabricius, M., Mazzalay, X., Nowak, N., Rusli, S. P., & Bender, R. 2016, ApJ, 818, 4710.3847/0004-637X/818/1/47CrossRefGoogle Scholar
Sánchez-Blázquez, P., Peletier, R. F., Jiménez-Vicente, J., Cardiel, N., Cenarro, A. J., Falcón-Barroso, J., Gorgas, J., Selam, S., & Vazdekis, A. 2006, MNRAS, 371, 70310.1111/j.1365-2966.2006.10699.xCrossRefGoogle Scholar
Schwarzschild, M. 1979, ApJ, 232, 23610.1086/157282CrossRefGoogle Scholar
Thater, S., Krajnovic, D., Cappellari, M., Davis, T. A., de Zeeuw, P. T., McDermid, R. M., & Sarzi, M. 2019, A&A, 625, A62Google Scholar
van den Bosch, R.C.E 2016, ApJ, 831, 13410.3847/0004-637X/831/2/134CrossRefGoogle Scholar
Verdoes Kleijn, G.A., van der Marel, R.P., de Zeeuw, P.T., Noel-Storr, J., & Baum, S.A. 2002, AJ, 124, 252410.1086/344073CrossRefGoogle Scholar
Verdoes Kleijn, G. A., van der Marel, R. P., & Noel-Storr, J. 2006, AJ, 131, 196110.1086/500973CrossRefGoogle Scholar
Walsh, J. L., Barth, A. J., Ho, L. C., & Sarzi, M. 2013, ApJ, 770, 8610.1088/0004-637X/770/2/86CrossRefGoogle Scholar