36 citations · 490 across the 45 of their papers we have counts for
4 papers · 1 filter
An Optical Corrector Design That Allows a Fixed Telescope to Access a Large Region of the Sky
E. F. Borra, G. Moretto, M. Wang
We discuss a family of two-mirror correctors that can greatly extend the field accessible to a fixed telescope such as a liquid mirror telescope. The performance of the corrector i…
Liquid Mirrors: A Review
Ermanno F. Borra
The surface of a spinning liquid takes the shape of a paraboloid that can be used as a reflecting mirror. This very old and nearly forgotten concept has recently been revived and I…
Are BL Lacertae Objects Beamed QSO Remnants?
E. F. Borra
This paper considers the hypothesis that BL Lacertae objects (BLLs) are the beamed remnants of Quasi Stellar Objects. The hypothesis explains why BLLs do not undergo the strong evo…
Ubc/Laval 2.7-Meter Liquid Mirror Telescope
P. Hickson, E. F. Borra, R. Cabanac +3
We report the successful development and operation of a large astronomical liquid-mirror telescope. Employing a rotating 2.7-meter diameter mirror with a surface of liquid mercury,…