J. Penfold

发表

Steps toward determination of the size and structure of the broad-line region in active nuclei. 7: Variability of the optical spectrum of NGC 5548 over years

P. F. Younger, L. Ho, M. Mignoli, 1994 .

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. IV - Intensity variations of the optical emission lines of NGC 5548

Paul S. Smith, T. Boroson, S. Veilleux, 1993 .

Discovery of a massive unseen star in LMC X-3

D. Crampton, J. Hutchings, A. Cowley, 1983 .

LB 3459, an O-type subdwarf eclipsing binary system – II. New photometry and an improved analysis

R. Hilditch, D. Kilkenny, J. Penfold, 1979 .

Observations and Analysis of the Field Contact Binary V728 Herculis

J. Kallrath, D. Terrell, E. Milone, 1995 .

Multiwavelength observations of short-timescale variability in NGC 4151 .4. Analysis of multiwavelength continuum variability

Gerard A. Kriss, Bradley M. Peterson, Shai Kaspi, 1996 .

Multiwavelength observations of short-timescale variability in NGC 4151 .1. Ultraviolet observations

Shai Kaspi, V. T. Doroshenko, Belinda J. Wilkes, 1996 .

RADIAL VELOCITY OBSERVATIONS OF THE DELTA SCUTI STAR 20 CANUM VENATICORUM

J. Penfold, 1971 .

LB 3459, an O-type subdwarf eclipsing binary system – III. Radial velocity curve and orbital solutions

P. W. Hill, D. Kilkenny, J. Penfold, 1981 .

LB 3459, a short-period eclipsing binary system containing two O-type subdwarfs

R. Hilditch, D. Kilkenny, J. Penfold, 1978 .