R. Alexander

activity

20152025

most citedRings and gaps in the disc around Elias 24 revealed by ALMA

103 citations · 163 across the 12 of their papers we have counts for

collaborators

Showing astro-ph.SRShow all

3 papers · 1 filter

astro-ph.SR2025★ 3 cited

Evidence of a Disk-wind Origin for Fluorescent H $_{2}$ in Classical T Tauri Stars

Matt Kalscheur, Kevin France, Brunella Nisini +8

We use FUV spectra of 36 T Tauri stars, predominately from $Hubble Space Telescope$ 's ULLYSES program, to examine the kinematic properties of fluorescent H $_{2}$ emission li…

astro-ph.SR2024★ 2 cited

PHL 5038AB: Is the brown dwarf causing pollution of its white dwarf host star?

S. L. Casewell, J. Debes, T. J. Dupuy +9

We present new results on PHL 5038AB, a widely separated binary system composed of a white dwarf and a brown dwarf, refining the white and brown dwarf parameters and determining th…

astro-ph.SR2015★ 28 cited

The Evolution of Inner Disk Gas in Transition Disks

Keri Hoadley, Kevin France, Richard D Alexander +2

Investigating the molecular gas in the inner regions of protoplanetary disks provides insight into how the molecular disk environment changes during the transition from primordial…

Evidence of a Disk-wind Origin for Fluorescent H2​ in Classical T Tauri Stars

PHL 5038AB: Is the brown dwarf causing pollution of its white dwarf host star?

The Evolution of Inner Disk Gas in Transition Disks

Evidence of a Disk-wind Origin for Fluorescent H $_{2}$ in Classical T Tauri Stars