I am an assistant research scientist at the University of Michigan, Department of Astronomy. I study astrophysical black holes and their relationship with their hosts, be they galaxy nuclei, dark matter halos, stellar clusters, or whatever.
2015 Mar 26 — Don’t forget to register for the Third Annual Compact Objects in Michigan meeting.
2015 Mar 10 — We just submitted “Swift/UVOT grism moitoring of NGC 5548 in 2013: an attempt at MgII reverberation mapping” by Cackett et al. to ApJ and posted to astro-ph. As you might guess from the title, we were not able to positively measure a lag, but I think we are showing that very interesting things can be done with Swift.
2014 Dec 15 — We recently published ATEL 6825 on “X-ray Absorption Lines in the Candidate Tidal Disruption Event ASASSN-14li.” This thing is weird/fascinating.
2014 Dec 15 — We recently published ATEL 6800 on “Chandra LETG Spectroscopy of Tidal Disruption Candidate ASASSN-14li.”
2014 Dec 11 — I have been very bad about reporting news for the past several months, even though there has been a lot! I will catch up with the backlog, but in the meantime: Our recent paper Ludlam et al. (2014), “X-ray Spectral and Variability Properties of Low-Mass AGN,” has been accepted by MNRAS and posted to astro-ph. Renee Ludlam, the first author, is a talented undergrad and will be applying to grad school this year; so keep your eye open for her!
2014 March 6 — Our recent paper Degenaar et al. (2014), “Multi-Wavelength Coverage of State Transitions in the New Black Hole X-ray Binary Swift J1910.2−0546,” has been accepted by ApJ and posted to astro-ph.
2013 December 18 — Our recent paper Gultekin et al. (2013), “The Black Hole Mass and the Stellar Ring in NGC 3706,” has been accepted by ApJ and posted to astro-ph. We measure the black hole mass and come to the surprising conclusion that the stellar ring in NGC 3706 has stars that orbit in both directions.