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OSIRIS Spectroscopy of Supercompact UV Luminous Galaxies

OSIRIS Spectroscopy of Supercompact UV Luminous Galaxies. Thiago S. Gonçalves Caltech. Caltech. MPA, Garching. Thiago S. Gonçalves Chris Martin Ted Wyder. Roderik Overzier. JHU. Columbia. Tim Heckman. Antara Basu-Zych David Schiminovich Matt O’Dowd. UVLGs: general characteristics.

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OSIRIS Spectroscopy of Supercompact UV Luminous Galaxies

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

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

  3. 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

  4. Overzier et al

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

  6. Velocity map σ map

  7. UVLG1434

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

  9. Kinemetry (Krajnović et al, Shapiro et al)

  10. 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!

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