OSIRIS Spectroscopy of Supercompact UV Luminous Galaxies Thiago S. Gonçalves Caltech

Caltech MPA, Garching Columbia JHU Thiago S. Gonçalves Chris Martin Ted Wyder Roderik Overzier Columbia JHU Antara Basu-Zych David Schiminovich Matt O’Dowd Tim Heckman

UVLGs: general characteristics Heckman et al (2005), Hoopes et al. (2007) Detected by GALEX in the FUV with LFUV ≥ 2×1010 L, I1530 ≥ 109 L kpc-2 Low dust attenuation, young populations (Basu-Zych et al. 2007) Similar morphological indices to high- redshift LBGs

Overzier et al

UVLG0926 2hr exposures Pa-α emission line S/N map

Velocity map σ map

UVLG1434

σ's similar to LBGs (Law et al. 2007) Velocity map σ map σ's similar to LBGs (Law et al. 2007)

Kinemetry (Krajnović et al, Shapiro et al)

Summary Complementary data to understand UVLG dynamics: HST optical and IFU Opportunity to study Lyman Break analogs at higher S/N ratios and spatial resolution 4 more nights coming - so stay tuned!