| Projected rotational velocities of O-type stars LR Penny Astrophysical Journal v. 463, p. 737 463, 737, 1996 | 253 | 1996 |
| Hubble space telescope Goddard high resolution spectrograph observations of the Be+ sdO binary ϕ Persei DR Gies, WG Bagnuolo Jr, EC Ferrara, AB Kaye, ML Thaller, LR Penny, ... The Astrophysical Journal 493 (1), 440, 1998 | 162 | 1998 |
| Orbits of four very massive binaries in the R136 cluster P Massey, LR Penny, J Vukovich The Astrophysical Journal 565 (2), 982, 2002 | 88 | 2002 |
| Binary star orbits from speckle interferometry. 5: A combined speckle/spectroscopic study of the O star binary 15 Monocerotis DR Gies, BD Mason, WI Hartkopf, HA McAlister, RA Frazin, ME Hahula, ... Astronomical Journal (ISSN 0004-6256), vol. 106, no. 5, p. 2072-2080 106 …, 1993 | 72 | 1993 |
| A FUSE survey of the rotation rates of very massive stars in the small and large Magellanic Clouds LR Penny, DR Gies The Astrophysical Journal 700 (1), 844, 2009 | 69 | 2009 |
| Photometric and spectroscopic studies of massive binaries in the large magellanic cloud. I. Introduction and orbits for two detached systems: Evidence for a mass discrepancy? P Massey, NI Morrell, KF Neugent, LR Penny, K DeGioia-Eastwood, ... The Astrophysical Journal 748 (2), 96, 2012 | 67 | 2012 |
| Tomographic separation of composite spectra. VIII. The physical properties of the massive compact binary in the triple star system HD 36486 (δ Orionis A) JA Harvin, DR Gies, WG Bagnuolo Jr, LR Penny, ML Thaller The Astrophysical Journal 565 (2), 1216, 2002 | 62 | 2002 |
| Tomographic separation of composite spectra. III. Ultraviolet detection of the hot companion of phi persei ML Thaller, WG Bagnuolo Jr, DR Gies, LR Penny Astrophysical Journal v. 448, p. 878 448, 878, 1995 | 58 | 1995 |
| The O-type binary 15 Monocerotis nears periastron DR Gies, BD Mason, WG Bagnuolo Jr, ME Hahula, WI Hartkopf, ... The Astrophysical Journal 475 (1), L49, 1997 | 50 | 1997 |
| The frequency of binary stars in the young cluster Trumpler 14 LR Penny, DR Gies, WI Hartkopf, BD Mason, NH Turner Publications of the Astronomical Society of the Pacific 105 (688), 588, 1993 | 49 | 1993 |
| Effects of metallicity on the rotational velocities of massive stars LR Penny, AJ Sprague, G Seago, DR Gies The Astrophysical Journal 617 (2), 1316, 2004 | 46 | 2004 |
| Tomographic separation of composite spectra. IV. The physical properties of the massive close binary DH Cephei LR Penny, DR Gies, WG Bagnuolo Jr The Astrophysical Journal 483 (1), 439, 1997 | 44 | 1997 |
| Photospheric Heating in Colliding-Wind Binaries DR Gies, WG Bagnuolo Jr, LR Penny The Astrophysical Journal 479 (1), 408, 1997 | 44 | 1997 |
| Tomographic Separation of Composite Spectra. VI. The Physical Properties of the Massive Close Binary HD 152248 LR Penny, DR Gies, WG Bagnuolo Jr The Astrophysical Journal 518 (1), 450, 1999 | 34 | 1999 |
| Tomographic separation of composite spectra. X. The massive close binary HD 101131 DR Gies, LR Penny, P Mayer, H Drechsel, R Lorenz The Astrophysical Journal 574 (2), 957, 2002 | 33 | 2002 |
| Tomographic Separation of Composite Spectra. VII. The Physical Properties of the Massive Triple System HD 135240 (δ Circini) LR Penny, D Seyle, DR Gies, JA Harvin, WG Bagnuolo Jr, ML Thaller, ... The Astrophysical Journal 548 (2), 889, 2001 | 32 | 2001 |
| The Struve-Sahade Effect: A Tale of Three Stars WG Bagnuolo Jr, DR Gies, R Riddle, LR Penny The Astrophysical Journal 527 (1), 353, 1999 | 31 | 1999 |
| The He I lambda-6678 Emission Line of Phi Persei: New Evidence of the Companion Star DR Gies, CY Willis, LR Penny, D McDavid Publications of the Astronomical Society of the Pacific 105 (685), 281, 1993 | 29 | 1993 |
| Tomographic separation of composite spectra. ix. the massive close binary hd 115071 LR Penny, DR Gies, JH Wise, DJ Stickland, C Lloyd The Astrophysical Journal 575 (2), 1050, 2002 | 23 | 2002 |
| Tomographic Separation of Composite Spectra. XI. The Physical Properties of the Massive Close Binary HD 100213 (TU Muscae) LR Penny, C Ouzts, DR Gies The Astrophysical Journal 681 (1), 554, 2008 | 22 | 2008 |
Nidia MorrellDoctora en Ciencias Astronómicas Facultad de Ciencias Astronómicas y Geofísicas, UNLP.Verified email at fcaglp.unlp.edu.ar
