I light curves of RR Lyrae from OGLE II (Bernhard+, 2009)

I ZW 1: A Detailed Look at a Narrow Line Quasar with HST

I ZW 1: a Template fe II Quasar

I(CO)/N(H2) conversions and molecular gas abundances in spiral and irregular galaxies

I-Band CCD Surface Photometry and a Total Magnitude for M31

I-band time-series observations of five bright ultracool dwarfs

I-Xe measurements of CAIs and chondrules from the CV3 chondrites Mokoia and Vigarano

I-Xe systematics in LL chondrites

I. GHZ VLBA Polarization Monitoring of 13 Blazars. I. Multifrequency 2.3 GHZ Study of the CSS QUASAT 3c 48

I. Vibration Isolation for Gravitational Radiation Detectors. II. QSO Heavy-Element Absorption Systems.

IACT Array Performance and Design Study for Multi-TeV Gamma-Ray Astronomy

Iapetus Is An Obstacle To The Solar Wind

Iapetus: First data from the Cassini Visual Infrared Mapping Spectrometer

Iapetus: Major discoveries from the Cassini imaging experiment

IAPPP and the Pro-Am Connection

IB and NIB hypotheses and their possible discrimination by GRACE

Iberian Triassic paleomagnetism revisited: Intraplate block rotations versus polar wandering

IBEX Backgrounds and Signal-to-Noise Ratio

IBIS detectability of the hard X-ray tailed sample of Bursters

IBIS/INTEGRAL galactic plane observations: X-ray Novae