RXTE Studies of Long-Term X-ray Spectral Variations in 4U 1820-30

RXTE Studies of X-ray Spectral Variations with Accretion Rate in 4U 1915-05

RXTE Study of the HMXB Pulsar KS1947+300

RXTE View of the Starburst Galaxies M82 and NGC 253

RXTE X-ray monitoring of the supermassive star eta carinae: Colliding wind emission in a pre-hypernova candidate binary?

RXTE, ROSAT and ASCA Observations of G347.3-0.5 (RX J1713.7-3946): Probing Cosmic Ray Acceleration by a Galactic Shell-Type Supernova Remnant

RXTE-ASM light curves of Cen X-3

RXTE-PCA observations of 1A 1118--61: timing and spectral studies during an outburst

RXTE-PCA Observations of XMMU J054134.7-682550

RXTE/ASM and Swift/BAT Observations of Spectral Transitions in Bright X-ray Binaries in 2005-2010

RXTE/ASM Observations of PSR B1259-63

RXTE/ASM Observations of the 35-day Cycle of Her X-1

RXTE/OSSE Fits to the Hard State Spectrum of Cygnus X-1

RY Leporis - A bright, high-amplitude delta Scuti star

RY SGR - Pulsation period variations reinterpreted

Rydberg atoms as gravitational-wave antennas

Rydberg Matter clusters of alkali metal atoms: the link between meteoritic matter, polar mesosphere summer echoes (PMSE), sporadic sodium layers, polar mesospheric clouds (PMCs, NLCs), and ion chemistry

Rydberg states and spin-forbidden transitions of the beryllium isoelectronic sequence

Rydberg transitions of neutral magnesium in the infrared - Frequency measurements and Zeeman effect

RZ Cas, KO Aql and S Equ: a Piece of Cake of Case A RLOF?