UHURU and Ariel V observations of 3U 1630-47 - A recurrent transient X-ray source
UHURU Observations of the Binary X-Ray Source 2u 0900-40
UHURU observations of X-ray emission from Seyfert galaxies
UIB emission without UV irradiation. A case study: M 31
UIR Bands in Carbon Star Spectra
UIR bands in the ISO SWS spectrum of the carbon star TU Tauri
UIR bands: computational experiments on the IR spectra of naphthalene derivatives as models for PAHs.
UIT Astro-2 Observations of NGC 4449
UIT Detection of Hot Stars in the Globular Cluster NGC362
UIT observations of NGC 1275
UIT: Ultraviolet observations of the small Magellanic cloud
UKIDSS detections of cool brown dwarfs - proper motions of 14 known $>$T5 dwarfs and discovery of three new T5.5-T6 dwarfs
UKIRT follow-up observations of the old open cluster FSR0358 (Kirkpatrick1)
UKIRT's Wide Field Camera and the Detection of 10 MJupiter Objects
ULAS J141623.94$ + $134836.3 - a faint common proper motion companion of a nearby L dwarf. Serendipitous discovery of a cool brown dwarf in UKIDSS DR6
ULAS J141623.94+134836.3: a Blue T Dwarf Companion to a Blue L Dwarf
ULAS J234311.93-005034.0: A gravitational lens system selected from UKIDSS and SDSS
ULIRGs: Origin and Evolution
Ulrich's Explanation for the Solar Five Minute Oscillations
Ultimate gravitational mass defect