Dwarf galaxies with optical signatures of active massive black holes

AE Reines, JE Greene, M Geha - The Astrophysical Journal, 2013 - iopscience.iop.org
We present a sample of 151 dwarf galaxies (10 8.5≲ M⋆≲ 10 9.5 M☉) that exhibit optical
spectroscopic signatures of accreting massive black holes (BHs), increasing the number of …

A∼ 50,000 M⊙ solar mass black hole in the nucleus of RGG 118

…, AE Reines, E Gallo, JE Greene - The Astrophysical …, 2015 - iopscience.iop.org
Scaling relations between black hole (BH) masses and their host galaxy properties have
been studied extensively over the last two decades, and point toward co-evolution of central …

A new sample of (wandering) massive black holes in dwarf galaxies from high-resolution radio observations

…, JJ Condon, J Darling, JE Greene - The Astrophysical …, 2020 - iopscience.iop.org
We present a sample of nearby dwarf galaxies with radio-selected accreting massive black
holes (BHs), the majority of which are non-nuclear. We observed 111 galaxies using sensitive…

X-ray and ultraviolet properties of AGNs in nearby dwarf galaxies

…, AE Reines, E Gallo, JE Greene - The Astrophysical …, 2017 - iopscience.iop.org
We present new Chandra X-ray Observatory and Hubble Space Telescope observations of
eight optically selected broad-line active galactic nucleus (AGN) candidates in nearby dwarf …

An X-ray-selected sample of candidate black holes in dwarf galaxies

…, RM Plotkin, E Gallo, JE Greene - The Astrophysical …, 2015 - iopscience.iop.org
We present a sample of hard X-ray-selected candidate black holes (BHs) in 19 dwarf galaxies.
BH candidates are identified by cross-matching a parent sample of∼ 44,000 local dwarf …

Mid-infrared colors of dwarf galaxies: young starbursts mimicking active galactic nuclei

KN Hainline, AE Reines, JE Greene… - The Astrophysical …, 2016 - iopscience.iop.org
Searching for active galactic nuclei (AGNs) in dwarf galaxies is important for our understanding
of the seed black holes that formed in the early universe. Here, we test infrared selection …

X-ray detected active galactic nuclei in dwarf galaxies at 0< z< 1

…, JE Greene, RS Somerville, E Gallo… - The Astrophysical …, 2016 - iopscience.iop.org
We present a sample of accreting supermassive black holes (SMBHs) in dwarf galaxies at $
z\lt 1$. We identify dwarf galaxies in the NEWFIRM Medium Band Survey with stellar masses …

The black hole–bulge mass relation including dwarf galaxies hosting active galactic nuclei

Z Schutte, AE Reines, JE Greene - The Astrophysical Journal, 2019 - iopscience.iop.org
We present a new relationship between central black hole (BH) mass and host galaxy stellar
bulge mass extending to the lowest BH masses known in dwarf galaxies (M BH≲ 10 5 M⊙; …

Multi-epoch spectroscopy of dwarf galaxies with AGN signatures: identifying sources with persistent broad Hα emission

…, AE Reines, E Gallo, JE Greene… - The Astrophysical …, 2016 - iopscience.iop.org
We use time-domain optical spectroscopy to distinguish between broad emission lines
powered by accreting black holes (BHs) and stellar processes (ie, supernovae) for 16 galaxies …

The effect of AGNs on the global H i content of isolated low-mass galaxies

JD Bradford, MC Geha, JE Greene… - The Astrophysical …, 2018 - iopscience.iop.org
We investigate the global neutral hydrogen (H i) content of isolated galaxies selected from
the SDSS spectroscopic survey with optical evidence of Active Galactic Nuclei (AGNs). Our …