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相关论文: A 5x10^9 Solar Mass Black Hole in NGC 1277 from Ad…

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The identification of galaxies with `overly massive' black holes requires two measurements: a black hole mass (M_bh) and a host spheroid mass (M_sph,*). Here we provide our measurements for NGC 1277. Our structural decomposition reveals…

Located in the Perseus cluster, NGC 1271 is an early-type galaxy with a small effective radius of 2.2 kpc and a large stellar velocity dispersion of 276 km/s for its K-band luminosity of 8.9x10^{10} L_sun. We present a mass measurement for…

All massive galaxies likely have supermassive black holes at their centers, and the masses of the black holes are known to correlate with properties of the host galaxy bulge component. Several explanations have been proposed for the…

宇宙学与河外天体物理 · 物理学 2012-11-29 Remco C. E. van den Bosch , Karl Gebhardt , Kayhan Gültekin , Glenn van de Ven , Arjen van der Wel , Jonelle L. Walsh

Mrk 1216 is a nearby, early-type galaxy with a small effective radius of 2.8 kpc and a large stellar velocity dispersion of 308 km/s for its K-band luminosity of 1.4x10^11 L_sun. Using integral-field spectroscopy assisted by adaptive optics…

We present the stellar kinematics in the central 2" of the luminous elliptical galaxy M87 (NGC 4486), using laser adaptive optics to feed the Gemini telescope integral-field spectrograph, NIFS. The velocity dispersion rises to 480 km/s at…

宇宙学与河外天体物理 · 物理学 2015-05-27 Karl Gebhardt , Joshua Adams , Douglas Richstone , Tod R. Lauer , S. M. Faber , Kayhan Gultekin , Jeremy Murphy , Scott Tremaine

We present a new constraint on the mass of the black hole in the active S0 galaxy NGC 5273. Due to the proximity of the galaxy at $16.6 \pm 2.1$ Mpc, we were able to resolve and extract the bulk motions of stars near the central black hole…

星系天体物理 · 物理学 2023-05-31 Katie A. Merrell , Eugene Vasiliev , Misty C. Bentz , Monica Valluri , Christopher A. Onken

Recent results indicate that the compact lenticular galaxy NGC 1277 in the Perseus Cluster contains a black hole of approximately 10 billion solar masses. This far exceeds the expected mass of the central black hole in a galaxy of the…

宇宙学与河外天体物理 · 物理学 2015-06-15 G. A. Shields , E. W. Bonning

NGC 4395 is a bulgeless spiral galaxy, harboring one of the nearest known type 1 Seyfert nuclei. Although there is no consensus on the mass of its central engine, several estimates suggest it to be one of the lightest massive black holes…

We present a new stellar dynamical mass measurement ($M_\mathrm{BH}$) of the supermassive black hole (SMBH) in NGC 1453, a fast-rotating massive elliptical galaxy in the MASSIVE survey. We measure stellar kinematics in 135 spatial bins in…

The infrared spectrograph GNIRS on Gemini South unlocks new possibilities to study the central black holes in dusty galaxies that have been inaccessible to previous black hole studies. We exploit good near-infrared seeing to measure the…

天体物理学 · 物理学 2009-11-10 Julia D. Silge , Karl Gebhardt , Marcel Bergmann , Douglas Richstone

We present mass estimates of supermassive black holes in six nearby fast rotating early-type galaxies (NGC4339, NGC4434, NGC4474, NGC4551, NGC4578 and NGC4762) with effective stellar velocity dispersion around 100 km/s. We use near-infrared…

The largest galaxies, and in particular central galaxies in clusters, offer unique insight into understanding the mechanism for the growth of nuclear black holes. We present Hubble Space Telescope kinematics for NGC1399, the central galaxy…

We present a new stellar dynamical mass measurement of the black hole in the nearby, S0 galaxy NGC 3998. By combining laser guide star adaptive optics observations obtained with the OH-Suppressing Infrared Imaging Spectrograph on the Keck…

宇宙学与河外天体物理 · 物理学 2015-06-05 Jonelle L. Walsh , Remco C. E. van den Bosch , Aaron J. Barth , Marc Sarzi

We analyze the nuclear stellar dynamics of the SB0 galaxy NGC 1023, utilizing observational data both from the Space Telescope Imaging Spectrograph aboard the Hubble Space Telescope and from the ground. The stellar kinematics measured from…

We present a stellar dynamical mass measurement of the supermassive black hole in the elliptical (E1) galaxy NGC 3258. Our findings are based on integral field unit spectroscopy from the Multi Unit Spectroscopic Explorer (MUSE) observations…

星系天体物理 · 物理学 2024-07-23 Thomas K. Waters , Kayhan Gültekin , Karl Gebhardt , Neil Nagar , Vanessa Ávila

We present results from a kinematical study of the gas in the nucleus of a sample of three LINER galaxies, obtained from archival HST/STIS long-slit spectra. We found that, while for the elliptical galaxy NGC 5077, the observed velocity…

天体物理学 · 物理学 2009-11-13 Giovanna De Francesco , Alessandro Capetti , Alessandro Marconi

The role of feedback from Active Galactic Nuclei (AGN) in the evolution of galaxies is still not not fully understood, mostly due to the lack of observational constraints in the multi-phase gas kinematics on the ten to hundred parsec…

星系天体物理 · 物理学 2020-07-15 Rogemar A. Riffel , Thaisa Storchi-Bergmann , Nadia L. Zakamska , Rogerio Riffel

The globular cluster omega Centauri is one of the largest and most massive members of the galactic system. However, its classification as a globular cluster has been challenged making it a candidate for being the stripped core of an…

天体物理学 · 物理学 2009-11-13 Eva Noyola , Karl Gebhardt , Marcel Bergmann

We report the detection of CO(1-0) emission from NGC 1277, a lenticular galaxy in the Perseus Cluster. NGC 1277 has previously been proposed to host an overmassive black hole (BH) compared to the galaxy bulge luminosity (mass), based on…

星系天体物理 · 物理学 2016-03-15 J. Scharwächter , F. Combes , P. Salomé , M. Sun , M. Krips

Different massive black hole mass - host galaxy scaling relations suggest that the growth of massive black holes is entangled with the evolution of their host galaxies. The number of measured black hole masses is still limited, and…

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