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BAT AGN Spectroscopic Survey-III. An observed link between AGN Eddington ratio and narrow emission line ratios
Kyuseok Oh, Kevin Schawinski, Michael Koss +14
We investigate the observed relationship between black hole mass (), bolometric luminosity (), and Eddington ratio () with optical emission li…
The Molecular Wind in the Nearest Seyfert Galaxy Circinus Revealed by ALMA
Laura K. Zschaechner, Fabian Walter, Alberto Bolatto +6
We present ALMA observations of the inner 1' (1.2 kpc) of the Circinus galaxy, the nearest Seyfert. We target CO (1-0) in the region associated with a well-known multiphase outflow…
Exploring Damped Lyman- System Host Galaxies using Gamma-ray Bursts
Vicki L. Toy, Antonino Cucchiara, Sylvain Veilleux +6
We present a sample of 45 Damped Lyman- system (DLA, \nhi\ ) counterparts (33 detections, 12 upper limits) which host gamma-ray bursts (GRB…
Development of high resolution arrayed waveguide grating spectrometers for astronomical applications: first results
Pradip Gatkine, Sylvain Veilleux, Yiwen Hu +4
Astrophotonics is the next-generation approach that provides the means to miniaturize near-infrared (NIR) spectrometers for upcoming large telescopes and make them more robust and…
Another piece of the puzzle: the fast HI outflow in Mrk231
Raffaella Morganti, Sylvain Veilleux, Tom Oosterloo +2
We present the detection, performed with the Westerbork Synthesis Radio Telescope (WSRT) and the Karl Jansky Very Large Array (VLA), of a fast HI 21-cm outflow in the ultra-luminou…
Multicore fibre technology - the road to multimode photonics
Joss Bland-Hawthorn, Seong-Sik Min, Emma Lindley +6
For the past forty years, optical fibres have found widespread use in ground-based and space-based instruments. In most applications, these fibres are used in conjunction with conv…