The MBHBM Project. I. Measurement of the Central Black Hole Mass in Spiral Galaxy NGC 3504 Using Molecular Gas Kinematics

Dieu D. Nguyen,Mark den Brok,Anil C. Seth,Timothy A. Davis,Jenny E. Greene, Michelle Cappellari,Joseph B. Jensen,Sabine Thater,Satoru Iguchi,Masatoshi Imanishi,Takuma Izumi,Kristina Nyland,Nadine Neumayer,Kouichiro Nakanishi,Phuong M. Nguyen,Takafumi Tsukui,Martin Bureau,Kyoko Onishi, Quang L. Nguyen,Ngan M. Le

ASTROPHYSICAL JOURNAL（2020）

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摘要

We present a dynamical mass measurement of the supermassive black hole (SMBH) in the nearby double-barred spiral galaxy NGC 3504 as part of the Measuring Black Holes in below Milky Way (M-star) Mass Galaxies Project. Our analysis is based on Atacama Large Millimeter/submillimeter Array cycle 5 observations of the emission line. These observations probe NGC 3504's circumnuclear gas disk (CND). Our dynamical model of the CND simultaneously constrains a black hole (BH) mass of M更多

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关键词

Supermassive black holes,Astrophysical black holes,Barred spiral galaxies,Spiral galaxies,Extragalactic astronomy,Galaxy dynamics

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