56 citations · 130 across the 15 of their papers we have counts for
10 papers · 1 filter
Here Be SDRAGNs - Spiral Galaxies Hosting Large Double Radio Sources
Jean Tate, William C. Keel, Michael O'Keeffe +16
We present a sample of large double radio sources hosted by spiral galaxies (Spiral Double Radio Active Galactic Nuclei, SDRAGNs). Candidates were selected during Radio Galaxy Zoo,…
Discovery of a galaxy associated with the HI cloud FAST J0139+4328
Ana Mitrašinović, Marko Grozdanović, Ana Lalović +5
The search for ``dark galaxies,'' a key prediction of the lambda cold dark matter, has yielded few viable candidates. Recently, FAST J0139+4328 was reported as the first isolated d…
Chemical abundances and small-scale gas kinematics in the local star-forming galaxy NGC 2366
Anastasiya D. Yarovova, Ivan S. Gerasimov, Oleg V. Egorov +3
We present a detailed spectroscopic study of ionised gas in the nearby (~3.3Mpc) dwarf galaxy NGC 2366, a local analogue of Green Pea galaxies, based on observations with the SCORP…
Stellar CoRGI in MaNGA: Stellar Counterrotating Galaxies Identified in the MaNGA Survey
Damir Gasymov, Ivan Yu. Katkov, Evgenii V. Rubtsov +8
Stellar counterrotating (CR) galaxies are systems hosting two large-scale stellar components rotating in opposite directions -- a main, preexisting galaxy body with an older stella…
A Dual Active Black Hole Candidate with Mass Ratio ~7:1 in a Disk Galaxy
Xiao Cao, Yan-Mei Chen, Yong Shi +8
Dual active galactic nuclei (AGNs) with comparable masses are commonly witnessed among the major merged galaxies with interaction remnants. Considering almost every massive galaxy…
Properties of a Fading AGN from SDSS-IV MaNGA
Hao Mo, Yan-Mei Chen, Zhi-Yun Zhang +7
We identify a fading AGN SDSS J220141.64+115124.3 from the internal Product Launch-11 (MPL-11) in Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. The central re…
The TELPERION survey for extended emission regions around AGN: a strongly-interacting and merging galaxy sample
William Keel, Alexei Moiseev, Roman Uklein +1
We present the results of a search for Extended Emission-Line Regions (EELRs) ionized by extant or recently-faded active galactic nuclei (AGN), using [O III] narrowband imaging and…
AGN photoionization of gas in companion galaxies as a probe of AGN radiation in time and direction
William C. Keel, Vardha N. Bennert, Anna Pancoast +9
We consider AGN photoionization of gas in companion galaxies (cross-ionization) as a way to sample the intensity of AGN radiation in both direction and time, independent of the gas…
Extremely metal-poor galaxy DDO 68: the LBV, H-alpha shells and the most luminous stars
S. A. Pustilnik, L. N. Makarova, Y. A. Perepelitsyna +2
The paper presents new results of the ongoing study of the unusual Lynx-Cancer void galaxy DDO 68 with record-low-metallicity regions (12+log(O/H) ~7.14) of the current star format…
Triggered star formation in giant HI supershells: ionized gas
O. V. Egorov, T. A. Lozinskaya, A. V. Moiseev
We considered the regions of triggered star formation inside kpc-sized HI supershells in three dwarf galaxies: IC 1613, IC 2574 and Holmberg II. The ionized and neutral gas morphol…