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Astrometric and Photometric Standard Candidates for the Upcoming 4-m International Liquid Mirror Telescope Survey

Kumar, Brajesh; Surdej, Jean; Negi, Vibhore +5 more

The International Liquid Mirror Telescope (ILMT) is a 4-m class survey telescope that has recently achieved first light and is expected to swing into full operations by January 1, 2023. It scans the sky in a fixed 22′ wide strip centered at the declination of 29∘21′41′′ and works in Time Delay Integration (TDI) mode. We present a full catalog of s…

Conceptual Remote Distance Measurement with a Double-Slit Interference

Zou, Yuan-Chuan

Distance measurement is crucial to astronomy. Here, we suggest a new conceptual method to measure the distance by using a local instrument. By engaging the double-slit interference and by considering the phase information of the light, the position of the intensity maximum is related to the distance of the source. Consequently, the precise measure…