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9 papers · 2 filters
How Many Kilonovae Can Be Found in Past, Present, and Future Survey Datasets?
D. Scolnic, R. Kessler, D. Brout +83
The discovery of a kilonova (KN) associated with the Advanced LIGO (aLIGO)/Virgo event GW170817 opens up new avenues of multi-messenger astrophysics. Here, using realistic simulati…
Visibility Estimation for the CHARA/JouFLU Exozodi Survey
Paul D. Nunez, Theo ten Brummelaar, Bertrand Mennesson +1
We discuss the estimation of the interferometric visibility (fringe contrast) for the exozodi survey conducted at the CHARA array with the JouFLU beam combiner. We investigate the…
SCALA: In-situ calibration for Integral Field Spectrographs
S. Lombardo, D. Küsters, M. Kowalski +39
The scientific yield of current and future optical surveys is increasingly limited by systematic uncertainties in the flux calibration. This is the case for Type Ia supernova (SN I…
Gaia and VLT astrometry of faint stars: Precision of Gaia DR1 positions and updated VLT parallaxes of ultracool dwarfs
P. F. Lazorenko, J. Sahlmann
We compared positions of the Gaia first data release (DR1) secondary data set at its faint limit with CCD positions of stars in 20 fields observed with the VLT/FORS2 camera. The FO…
A transient search using combined human and machine classifications
Darryl E. Wright, Chris J. Lintott, Stephen J. Smartt +22
Large modern surveys require efficient review of data in order to find transient sources such as supernovae, and to distinguish such sources from artefacts and noise. Much effort h…
The UKIRT Hemisphere Survey: Definition and J-band Data Release
S. Dye, A. Lawrence, M. A. Read +23
This paper defines the UK Infra-Red Telescope (UKIRT) Hemisphere Survey (UHS) and release of the remaining ~12,700 sq.deg of J-band survey data products. The UHS will provide conti…