206 citations · 1.9k across the 38 of their papers we have counts for
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A Young Planet Search in Visible and IR Light: DN Tau, V836 Tau, and V827 Tau
L. Prato, M. Huerta, C. M. Johns-Krull +3
In searches for low-mass companions to late-type stars, correlation between radial velocity variations and line bisector slope changes indicates contamination by large starspots. T…
Star Spot Induced Radial Velocity Variability in LkCa 19
Marcos Huerta, Christopher M. Johns-Krull, L. Prato +2
We describe a new radial velocity survey of T Tauri stars and present the first results. Our search is motivated by an interest in detecting massive young planets, as well as inves…
Magnetic Fields in Stellar Jets
P. Hartigan, A. Frank, P. Varniere +1
Although several lines of evidence suggest that jets from young stars are driven magnetically from accretion disks, existing observations of field strengths in the bow shocks of th…
Collimation, Proper Motions, and Physical Conditions in the HH 30 Jet From HST Slitless Spectroscopy
P. Hartigan, J. Morse
We present Space Telescope Imaging Spectrograph (STIS) spectral images of the HH~30 stellar jet taken through a wide slit over two epochs. The jet is unresolved spectrally, so the…
Infrared [Fe II] emission from P Cygni's nebula: Atomic data, mass, kinematics, and the 1600 A.D. outburst
Nathan Smith, Patrick Hartigan
We present moderate and high-dispersion 1-2.5 micron spectra of the 10 arcsec nebula around P Cygni, dominated by bright emission lines of [Fe II]. Observed [Fe II] line ratios dis…
Proper Motions of the HH 47 Jet Observed with the Hubble Space Telescope
P. Hartigan, S. Heathcote, J. Morse +2
We present a proper motion study of the shock waves within the classic stellar jet HH 47 based on Hubble Space Telescope H-alpha and [S II] images of the region taken over two epoc…