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P. Helfenstein

California Institute of Technology

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Featured researches published by P. Helfenstein.

Icarus | 1994

The Shape of Gaspra

Peter C. Thomas; J. Veverka; D. P. Simonelli; P. Helfenstein; Brian T. Carcich; M. J. S. Belton; Merton E. Davies; Clark R. Chapman

Archive | 1995

Surface composition and photometric properties of Triton.

Robert Hanbury Brown; Dale P. Cruikshank; Joseph Frank Veverka; P. Helfenstein; Janusz Bronistaw Eluszkiewicz

Archive | 1992

Neptune's small satellites.

Peter C. Thomas; Joseph Frank Veverka; P. Helfenstein

Icarus | 1994

Search for temperature-related albedo changes in nightside and posteclipse images of Io

D. P. Simonelli; Jennifer Boucher; P. Helfenstein; J. Veverka; Megan O'Shaughnessy

Archive | 1994

A Galileo Multi-Instrument Spectral Analysis of 951 Gaspra

James Charles Granahan; F. P. Fanale; Mark Southwick Robinson; Robert W. Carlson; L. W. Kamp; Kenneth P. Klaasen; Paul R. Weissman; Michael Belton; David Cook; Kathleen Edwards; Alfred S. McEwen; Laurence A. Soderblom; Brian T. Carcich; P. Helfenstein; D. P. Simonelli; Peter C. Thomas; Joseph Frank Veverka

Archive | 1989

Uranus Satellites: Albedo and Color Maps from Voyager Imaging

P. Helfenstein; Jean Hillier; Joseph Veverka; Jeffery E. Moersch; Charles J. Weitz

Archive | 1990

Voyager photometry of Triton

Jean Hillier; P. Helfenstein; A. Verbiscer; Joseph Veverka

Archive | 1997

Dark-floor craters: Galileo constraints on a Ganymede regolith component

P. Helfenstein; J. Veverka; Tilmann Denk; G. Neukum; James W. Head

Archive | 1995

Galileo Multi-Instrument Spectral Observations of 243 Ida and Dactyl

James Charles Granahan; F. P. Fanale; Robert W. Carlson; L. W. Kamp; Kenneth P. Klaasen; P. Helfenstein; Peter C. Thomas; Alfred S. McEwen; Clark R. Chapman; Jessica M. Sunshine; Michael Belton

Archive | 2000