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The Swift/UVOT Stars Survey. II. RR Lyrae Stars in M 3 and M 15
Michael H. Siegel, Blair L. Porterfield, Benjamin G. Balzer +1
We present the first results of an near-ultraviolet (NUV) survey of RR Lyrae stars from the Ultraviolet Optical Telescope (UVOT) aboard the Swift Gamma-Ray Burst Mission. It is wel…
The Evolution of the Far-UV Luminosity Function and Star Formation Rate Density of the Chandra Deep Field South from z=0.2-1.2 with Swift/UVOT
Lea M. Z. Hagen, Erik A. Hoversten, Caryl Gronwall +4
We use deep Swift UV/Optical Telescope (UVOT) near-ultraviolet (1600A to 4000A) imaging of the Chandra Deep Field South to measure the rest-frame far-UV (FUV; 1500A) luminosity fun…
UVOT Measurements of Dust and Star Formation in the SMC and M33
Lea M. Z. Hagen, Michael H. Siegel, Caryl A. Gronwall +3
When measuring star formation rates using ultraviolet light, correcting for dust extinction is a critical step. However, with the variety of dust extinction curves to choose from,…
Swift, UVOT and Hot Stars
Michael H. Siegel, Caryl A. Gronwall, Lea M. Z. Hagen +1
We present the results of our ongoing investigation into the properties of hot stars and young stellar populations using the Swift/UVOT telescope. We present UVOT photometry of ope…
The Swift-UVOT ultraviolet and visible grism calibration
N. P. M. Kuin, W. Landsman, A. A. Breeveld +16
We present the calibration of the Swift UVOT grisms, of which there are two, providing low-resolution field spectroscopy in the ultraviolet and optical bands respectively. The UV g…