| Rotation, convection, and magnetic activity in lower main-sequence stars RW Noyes, LW Hartmann, SL Baliunas, DK Duncan, AH Vaughan Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 15, 1984, p …, 1984 | 2063 | 1984 |
| Chromospheric variations in main-sequence stars SL Baliunas, RA Donahue, WH Soon, JH Horne, J Frazer, ... Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 438, no. 1, p. 269-287 …, 1995 | 1387 | 1995 |
| The evolution of the lithium abundances of solar-type stars. III-The Pleiades DR Soderblom, BF Jones, S Balachandran, JR Stauffer, DK Duncan, ... Astronomical Journal (ISSN 0004-6256), vol. 106, no. 3, p. 1059-1079. 106 …, 1993 | 652 | 1993 |
| CA II H and K measurements made at Mount Wilson Observatory, 1966-1983 DK Duncan, AH Vaughan, OC Wilson, GW Preston, J Frazer, H Lanning, ... Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 76, May 1991 …, 1991 | 503 | 1991 |
| Clickers in the Classroom D Duncan Clickers in the Classroom, 2005 | 421 | 2005 |
| The chromospheric emission-age relation for stars of the lower main sequence and its implications for the star formation rate DR Soderblom, DK Duncan, DRH Johnson Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 375, July 10, 1991, p …, 1991 | 361 | 1991 |
| Lithium abundances, K line emission and ages of nearby solar type stars DK Duncan Astrophysical Journal, Part 1, vol. 248, Sept. 1, 1981, p. 651-669. 248, 651-669, 1981 | 353 | 1981 |
| The activity, variability, and rotation of lower main-sequence Hyades stars RR Radick, DT Thompson, GW Lockwood, DK Duncan, WE Baggett Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 321, Oct. 1, 1987, p …, 1987 | 273 | 1987 |
| Clickers: A new teaching aid with exceptional promise D Duncan Astronomy Education Review 5 (1), 70-88, 2006 | 235 | 2006 |
| The abundance of boron in three halo stars DK Duncan, DL Lambert, M Lemke Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 401, no. 2, p. 584-595 …, 1992 | 211 | 1992 |
| Lithium abundance and age spread in the Pleiades DK Duncan, BF Jones Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 271, Aug. 15, 1983, p …, 1983 | 211 | 1983 |
| Digital devices, distraction, and student performance: Does in-class cell phone use reduce learning? D Douglas, H Angel, W Bethany Astronomy education review, 2012 | 207 | 2012 |
| Time-resolved CCD photometry of an ensemble of stars in the open cluster M67 RL Gilliland, TM Brown, DK Duncan, NB Suntzeff, G Lockwood, ... Astronomical Journal (ISSN 0004-6256), vol. 101, Feb. 1991, p. 541-561. 101 …, 1991 | 205 | 1991 |
| The lithium abundance in halo stars LM Hobbs, DK Duncan Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 317, June 15, 1987, p …, 1987 | 146 | 1987 |
| The evolution of galactic boron and the production site of the light elements DK Duncan, F Primas, LM Rebull, AM Boesgaard, CP Deliyannis, ... The Astrophysical Journal 488 (1), 338, 1997 | 143 | 1997 |
| Time-series measurements of chromospheric CA II H and K emission in cool stars and the search for differential rotation SL Baliunas, JH Horne, A Porter, DK Duncan, J Frazer, H Lanning, ... Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 294, July 1, 1985, p …, 1985 | 141 | 1985 |
| Lithium abundances of southern F, G and K dwarfs and subgiants R Pallavicini, M Cerruti-Sola, DK Duncan Astronomy and Astrophysics (ISSN 0004-6361), vol. 174, no. 1-2, March 1987 …, 1987 | 110 | 1987 |
| Evidence for a dispersion in the lithium abundances of extreme halo stars CP Deliyannis, MH Pinsonneault, DK Duncan Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 414, no. 2, p. 740-758 …, 1993 | 103 | 1993 |
| Circumstellar Disk Candidates Identified from Ultraviolet Excesses in the Orion Nebula Cluster Flanking Fields LM Rebull, LA Hillenbrand, SE Strom, DK Duncan, BM Patten, ... The Astronomical Journal 119 (6), 3026, 2000 | 98 | 2000 |
| A study of the dependence of Mg II emission on the rotational periods of main-sequence stars L Hartmann, SL Baliunas, DK Duncan, RW Noyes Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 279, April 15, 1984, p …, 1984 | 89 | 1984 |
