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Thiago S. GonçalvesCaltech

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CaltechCaltechThiago S. GonçalvesThiago S. Gonçalves

Chris MartinChris Martin

Ted WyderTed Wyder

Antara Basu-ZychAntara Basu-Zych

David SchiminovichDavid Schiminovich

Matt O’DowdMatt O’Dowd

Tim HeckmanTim Heckman

Roderik OverzierRoderik Overzier

ColumbiaColumbia

MPA, GarchingMPA, Garching

JHUJHU

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UVLGs: general characteristicsUVLGs: general characteristics

• Heckman et al (2005), Hoopes et al. Heckman et al (2005), Hoopes et al. (2007)(2007)

• Detected by GALEX in the FUV withDetected by GALEX in the FUV withLLFUVFUV ≥ 2×10 ≥ 2×101010 L L, , II15301530 ≥ 10 ≥ 1099 L L kpc kpc-2-2

• Low dust attenuation, young populations Low dust attenuation, young populations (Basu-Zych et al. 2007)(Basu-Zych et al. 2007)

• Similar morphological indices to high- Similar morphological indices to high- redshift LBGsredshift LBGs

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Overzier et alOverzier et al

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UVLG0926

S/N map

• 2hr exposures

• Pa-α emission line

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σ mapVelocity map

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UVLG1434

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

Velocity map

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KinemetryKinemetry

(Krajnović et al,(Krajnović et al,Shapiro et al)Shapiro et al)

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SummarySummary

• Complementary data to understand Complementary data to understand

UVLG dynamics: HST optical and IFUUVLG dynamics: HST optical and IFU

• Opportunity to study Lyman Break Opportunity to study Lyman Break

analogs at higher S/N ratios and analogs at higher S/N ratios and

spatial resolutionspatial resolution

• 4 more nights coming - so stay 4 more nights coming - so stay

tuned!tuned!