作者: Christopher A. Onken , Monica Valluri , Bradley M. Peterson , Richard W. Pogge , Misty C. Bentz
DOI: 10.1086/522220
关键词: Line-of-sight 、 Stellar dynamics 、 Sphere of influence (black hole) 、 Bulge 、 Astrophysics 、 Disc 、 Active galactic nucleus 、 Reverberation mapping 、 Physics 、 Astronomy 、 Galaxy
摘要: We present a stellar dynamical estimate of the black hole (BH) mass in Seyfert 1 galaxy, NGC 4151. analyze ground-based spectroscopy as well imaging data from ground and space, we construct three-integral axisymmetric models order to constrain BH mass-to-light ratio. The depend on assumed inclination kinematic symmetry axis bulge. In case which bulge is be viewed edge-on, kinematical give only an upper limit BH, ~4 × 107 M☉ (1 σ). If have same large-scale galaxy disk (i.e., 23° relative line sight), best-fit between 4 5 obtained. However, because poor quality fit when inclined (as determined by noisiness χ2 surface its minimum value) lack spectroscopic that clearly resolves sphere influence, consider our measurements tentative estimates mass. With this preliminary result, 4151 now among small sample galaxies has been constrained two independent techniques, values find for both inclinations are reasonable agreement with recent reverberation mapping (4.57 M☉) published Bentz et al.