Robert (Bob) McMillan

PTYS/LPL Faculty

Robert (Bob) McMillan

Research Professor (Retired)

Kuiper 225

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Ph.D., 1977, University of Texas at Austin

Years with LPL: 1979 to present

Asteroid Surveys, Planetary Astronomy, Small Bodies, SPACEWATCH®

Abbreviated Biographical Sketch of Robert Scott McMillan 2026 April 22:
Until January 2021, Prof. McMillan led the SPACEWATCH® Project which recovers and
makes astrometric observations of Near-Earth Objects (NEOs). He stepped down from that
leadership role, but continues as a co-investigator with that Project. He has also been a Co-
Investigator on the Science Team of the NEO Wide-field Infrared Survey Explorer (NEOWISE)
spacecraft mission that surveyed the sky in the near-infrared. The Spacewatch Project’s role for
that mission continues to be follow-up observations of asteroids and comets detected by that
spacecraft.
 

McMillan's career has included studies of variable stars, statistics of stellar populations,
interstellar dust, interstellar magnetic fields, planetary atmospheres, Doppler shift spectroscopy
of stars, astronomical instrumentation, and surveys of asteroids. He has worked in the last four
disciplines from 1979 to the present while at the Lunar and Planetary Laboratory at the
University of Arizona. Some of McMillan's peer-reviewed first-author papers from the 1970s
were still being cited and used as many as 40 years later.

McMillan's 1981-2001 radial velocity (RV) group at LPL was the first to publish stellar Doppler
shift measurements better than +/-20 meters per second (m/s) in a refereed journal. They also
made the first reliable detection of p-mode oscillations in a star other than the Sun (Arcturus),
discovered the spectroscopic binary of then-longest known period, and established a new upper
limit on the RV stability of the Sun observed as a point source. That limit was published in 1993,
has been widely cited, and was confirmed independently as recently as 2016 by other unaffiliated
investigators. McMillan also further investigated techniques to measure the RVs of stars in
ways that minimize confusion of Doppler shift measurements by effects intrinsic to stellar
atmospheres. He returned to the field in 2007 as a collaborator with a group from the U. S.
Naval Observatory who used a dispersed Fourier Transform Spectrometer to measure the RVs of
binary stars with the 2.3-meter Bok Telescope of the Steward Observatory.
 

As Co-Investigator, Deputy Principal Investigator, Project Scientist, and Project Manager of
Prof. Tom Gehrels' Spacewatch Project from 1980-1997, McMillan guided the physical
realization of CCD surveying as a productive method of exploring the solar system for asteroids
and comets. McMillan became the Principal Investigator of Spacewatch in mid-1997. In 2000
McMillan discovered large Trans-Neptunian Object 2000 WR106, now known as Minor Planet
(20000) Varuna. On 2005 Dec 28 he discovered minor planet 2005 YU55, a 300-meter diameter
Earth-crossing asteroid that made a close approach to Earth on 2011 Nov 8. McMillan also
discovered comets 208P and P/2010 J3.
 

The Spacewatch 1.8-m telescope was completed in 2002 and the 0.9-m telescope of Steward
Observatory was completely rebuilt with all new optics and detectors under McMillan's
leadership. The 0.9-m telescope was fully automated in 2006. The 1.8-m telescope received a
new imaging camera in 2011 October, which increased the rate of observations by 50% and
improved astrometric accuracy by a factor of 2. In 2015 October, the Spacewatch Project further
boosted its rate of observations with a new CCD camera at the cassegrain focus of the Bok 2.3-
meter telescope of the Steward Observatory and converting the operation of the Spacewatch 0.9-
meter telescope from surveying to targeted followup observations.

 

Current Grants

  • Co-investigator in:
  • SPACEWATCH® Project: Grants from NASA's Planetary Defense Coordination Office
  • Asteroid Research funded by the Brinson Foundation of Chicago, IL

Current Spacecraft Involvement

  • Principal Investigator of SPACEWATCH® (ground-based): 1980-2020; transferred leadership to Dr. Melissa J. Brucker in Jan. 2021.

Former Spacecraft Involvement

  • WISE: Wide-field Infrared Survey Explorer: 2002-2013.
  • Pioneer 11/Saturn: 1979-1980.

Student Collaborations/Advising

Former Students

  • William J. Merline, 1995 (Ph.D. PTYS)

Current Postdocs

None.

Former Postdocs

  • Robert Jedicke
  • Jeffrey A. Larsen
  • David L. Rabinowitz

Current Research/Staff Scientists

Melissa J. Brucker, PhD & Principal Investigator of SPACEWATCH®.

Former Research/Staff Scientists

None.

 

Publications: 


 

First-author, Peer-Reviewed:

McMillan et al. (2026) 2026JAnSc..73...34M McMillan, R. S., Brucker, M. J., Lejoly, C., Larsen, J. A. 2026. SPACEWATCH Astrometry of Near-Earth Asteroids for Planetary Defense. Journal of the Astronautical Sciences 73. doi:10.1007/s40295-026-00575-1
McMillan et al. (2010) 2010MPEC....J..103M McMillan, R. S. and 17 colleagues 2010. Comet C/2010 J3 (McMillan).\ Minor Planet Electronic Circulars 2010-J103.
 
McMillan et al. (2008) 2008MPEC....U...29M McMillan, R. S. and 13 colleagues 2008. Comet P/2008 U1 (McMillan). Minor Planet Electronic Circulars 2008-U29.
 
McMillan et al. (2005) 2005MPBu...32...53M McMillan, R. S., Block, M., Descour, A. S. 2005. The Spacewatch volunteer search for fast moving objects. Minor Planet Bulletin 32, 53.
 
McMillan et al. (1994) 1994Ap&SS.212..271M McMillan, R. S., Moore, T. L., Perry, M. L., Smith, P. H. 1994. Long, Accurate Time Series Measurements of Radial Velocities of Solar-Type Stars. Astrophysics and Space Science 212, 271–280. doi:10.1007/BF00984531
 
McMillan et al. (1993) 1993ApJ...403..801M McMillan, R. S., Moore, T. L., Perry, M. L., Smith, P. H. 1993. Radial Velocity Observations of the Sun at Night. The Astrophysical Journal 403, 801. doi:10.1086/172251
 
McMillan et al. (1992) 1992PASP..104.1173M McMillan, R. S., Smith, P. H., Moore, T. L., Perry, M. L. 1992. Variation of the Radial Velocity of Epsilon Cygni A. Publications of the Astronomical Society of the Pacific 104, 1173. doi:10.1086/133105
 
McMillan and Smith(1987) 1987PASP...99..849M McMillan, R. S., Smith, P. H. 1987. Nonvariability of the radial velocity of eta Cassiopeiae A.. Publications of the Astronomical Society of the Pacific 99, 849–851. doi:10.1086/132047
 
McMillan et al. (1987) 1987LNP...274..264M McMillan, R. S., Smith, P. H., Merline, W. J. 1987. A Periodic Variation in the Radial Velocity of Arcturus. Stellar Pulsation 264. doi:10.1007/3-540-17668-3 _218
 
McMillan and Tapia(1978) 1978ApJ...226L..87M McMillan, R. S., Tapia, S. 1978. Discovery of polarized light scattered by dust around Alpha Orionis.. The Astrophysical Journal 226, L87–L89. doi:10.1086/182837
 
McMillan(1978) 1978ApJ...225..880M McMillan, R. S. 1978. Predicted color excess ratios versus interstellar grain size.. The Astrophysical Journal 225, 880–886. doi:10.1086/156552
 
McMillan(1978) 1978ApJ...225..417M McMillan, R. S. 1978. Are long wavelengths of maximum interstellar polarization due to water ice mantles on grains?. The Astrophysical Journal 225, 417–421. doi:10.1086/156503
 
McMillan(1977) 1977ApJ...216L..41M McMillan, R. S. 1977. Walker No. 67 in NGC 2264: a candidate for strong interstellar circular polarization.. The Astrophysical Journal 216, L41. doi:10.1086/182505
 
McMillan and Tapia(1977) 1977ApJ...212..714M McMillan, R. S., Tapia, S. 1977. The wavelength dependence of polarization in the Cygnus OB2 association: a new determination of interstellar birefringence. The Astrophysical Journal 212, 714–722. doi:10.1086/155096
 
McMillan(1977) 1977PhDT........19M McMillan, R. S. 1977. New Constraints on the Composition of Interstellar Grains from Observations of Extinction and Polarization.. Ph.D. Thesis.
 
McMillan(1976) 1976AJ.....81..970M McMillan, R. S. 1976. Interstellar polarization in front of the young cluster NGC 7380. The Astronomical Journal 81, 970. doi:10.1086/111977
 
McMillan et al. (1976) 1976PASP...88..495M McMillan, R. S., Breger, M., Ferland, G. J., Loumos, G. L. 1976. A survey for small-amplitude variability among population II stars.. Publications of the Astronomical Society of the Pacific 88, 495–509. doi:10.1086/129975
 
Co-Author, Peer-Reviewed:
 
Brucker, M. J., Larsen, J. A., Mastaler, R. A., Bressi, T. H., Read, M. T., McMillan, R. S. 2022. 
Spacewatch 0.9m Mosaic Camera Survey. Planetary Data System Small Bodies Node data archive. DOI: 10.26033/vg18-0670. https://sbn.psi.edu/pds/resource/sw.html
 
Larsen et al. (2014) 2014MPBu...41...68L Larsen, J. A., McMillan, R. S., Bressi, T. H., Scotti, J. V. 2014. The Lightcurve of 3753 Cruithne. Minor Planet Bulletin 41, 68–69.
 
Mainzer et al. (2011) 2011ApJ...743..156M Mainzer, A. and 36 colleagues 2011. NEOWISE Observations of Near-Earth Objects: Preliminary Results. The Astrophysical Journal 743. doi:10.1088/0004-637X/743/2/156
 
Behr et al. (2011) 2011AJ....142....6B Behr, B. B. and 6 colleagues 2011. Stellar Astrophysics with a Dispersed Fourier Transform Spectrograph. II. Orbits of Double-lined Spectroscopic Binaries. The Astronomical Journal 142. doi:10.1088/0004-6256/142/1/6
 
Mainzer et al. (2011) 2011ApJ...731...53M Mainzer, A. and 34 colleagues 2011. Preliminary Results from NEOWISE: An Enhancement to the Wide-field Infrared Survey Explorer for Solar System Science. The Astrophysical Journal 731. doi:10.1088/0004-637X/731/1/53
 
Wright et al. (2010) 2010AJ....140.1868W Wright, E. L. and 37 colleagues 2010. The Wide-field Infrared Survey Explorer (WISE): Mission Description and Initial On-orbit Performance. The Astronomical Journal 140, 1868–1881. doi:10.1088/0004-6256/140/6/1868
 
Behr et al. (2009) 2009ApJ...705..543B Behr, B. B. and 6 colleagues 2009. Stellar Astrophysics with a Dispersed Fourier Transform Spectrograph. I. Instrument Description and Orbits of Single-lined Spectroscopic Binaries. The Astrophysical Journal 705, 543–553. doi:10.1088/0004-637X/705/1/543
 
Hajian et al. (2007) 2007ApJ...661..616H Hajian, A. R. and 17 colleagues 2007. Initial Results from the USNO Dispersed Fourier Transform Spectrograph. The Astrophysical Journal 661, 616–633. doi:10.1086/513181
 
Larsen et al. (2007) 2007AJ....133.1247L Larsen, J. A. and 15 colleagues 2007. The Search for Distant Objects in the Solar System Using Spacewatch. The Astronomical Journal 133, 1247–1270. doi:10.1086/511155
 
Johnston et al. (2006) 2006PASP..118.1428J Johnston, K. J. and 33 colleagues 2006. The Origins Billions Star Survey: Galactic Explorer. Publications of the Astronomical Society of the Pacific 118, 1428–1442. doi:10.1086/508903
 
Larsen et al. (2001) 2001AJ....121..562L Larsen, J. A. and 8 colleagues 2001. The Spacewatch Wide-Area Survey for Bright Centaurs and Trans-Neptunian Objects. The Astronomical Journal 121, 562–579. doi:10.1086/318022
 
Wisniewski et al. (1997) 1997Icar..126..395W Wisniewski, W. Z., Michalowski, T. M., Harris, A. W., McMillan, R. S. 1997. Photometric Observations of 125 Asteroids. Icarus 126, 395–449. doi:10.1006/icar.1996.5665
 
Lawrence et al. (1991) 1991OptEn..30..598L Lawrence, G. N., Huang, C., Levy, E. H., McMillan, R. S. 1991. High accuracy image centroiding with a moving Ronchi ruling.. Optical Engineering 30, 598–608. doi:10.1117/12.55840
 
Black et al. (1991) 1991Ap&SS.177..307B Black, D. and 9 colleagues 1991. The Astrometric Telescope Facility. Astrophysics and Space Science 177, 307–313. doi:10.1007/BF00643696
 
Smith et al. (1987) 1987ApJ...317L..79S Smith, P. H., McMillan, R. S., Merline, W. J. 1987. Evidence for Periodic Radial Velocity Variations in Arcturus. The Astrophysical Journal 317, L79. doi:10.1086/184916
 
Wisniewski and McMillan(1987) 1987AJ.....93.1264W Wisniewski, W. Z., McMillan, R. S. 1987. Differential CCD Photometry of Faint Asteroids in Crowded Star Fields and Nonphotometric Sky Conditions. The Astronomical Journal 93, 1264. doi:10.1086/114408
 
Gehrels et al. (1986) 1986AJ.....91.1242G Gehrels, T., Marsden, B. G., McMillan, R. S., Scotti, J. V. 1986. Astrometry with a scanning CCD. The Astronomical Journal 91, 1242. doi:10.1086/114098
 
Moneti et al. (1984) 1984ApJ...282..508M Moneti, A., Pipher, J. L., Helfer, H. L., McMillan, R. S., Perry, M. L. 1984. Magnetic field structure in the Taurus dark cloud.. The Astrophysical Journal 282, 508–515. doi:10.1086/162228
 
Tomasko et al. (1980) 1980JGR....85.5891T Tomasko, M. G., McMillan, R., Doose, L. R., Castillo, N. D., Dilley, J. P. 1980. Photometry of Saturn at Large Phase Angles. Journal of Geophysical Research 85, 5891–5903. doi:10.1029/JA085iA11p05891
 
Gehrels et al. (1980) 1980Sci...207..434G Gehrels, T. and 22 colleagues 1980. Imaging Photopolarimeter on Pioneer Saturn. Science 207, 434–439. doi:10.1126/science.207.4429.434
 
Duthie and McMillan(1979) 1979ApJ...232..255D Duthie, J. G., McMillan, R. S. 1979. An upper limit on ultraviolet shot noise from Cygnus X-1.. The Astrophysical Journal 232, 255–258. doi:10.1086/157284
 
Oskanyan et al. (1977) 1977ApJ...214..430O Oskanyan, V. S., Evans, D. S., Lacy, C., McMillan, R. S. 1977. An analysis of the slow light variability of BY Draconis.. The Astrophysical Journal 214, 430–436. doi:10.1086/155268
 
Bopp et al. (1973) 1973ApJ...186L.123B Bopp, B. W., Grupsmith, G., McMillan, R. S., Vanden Bout, P. A., Wootten, H. A. 1973. Spectroscopic Observations of HZ Herculis. II.. The Astrophysical Journal 186, L123. doi:10.1086/181372
 
McCuskey and McMillan(1973) 1973AJ.....78...73M McCuskey, S. W., McMillan, R. S. 1973. Mean absolute magnitudes and dispersions for selected spectral groups. The Astronomical Journal 78, 73. doi:10.1086/111375
 
First-Author full articles, not peer-reviewed:
 
McMillan and Spacewatch Team(2007) 2007IAUS..236..329M McMillan, R. S., Spacewatch Team 2007. Spacewatch preparations for the era of deep all-sky surveys. Near Earth Objects, our Celestial Neighbors: Opportunity and Risk 236, 329–340. doi:10.1017/S1743921307003407
 
McMillan(2005) 2005M&PS...40..509M McMillan, R. S. 2005. Review of Mitigation of hazardous comets and asteroids, edited by M. J. S. Belton, T. H. Morgan, N. Samarasinha, and D. K. Yeomans. Meteoritics and Planetary Science 40, 509. doi:10.1111/j.1945-5100.2005.tb00397.x
 
McMillan et al. (2001) 2001ccno.conf....7M McMillan, R. S. and 10 colleagues 2001. A Progress Report on Spacewatch. International Workshop on Collaboration and Coordination among NEO Observers and Orbital Computers held at Kurshiki City Art Museum, 7–10.
 
McMillan(1999) 1999LPICo.988...15M McMillan, R. S. 1999. Spacewatch Discovery and Study of Accessible Asteroids. Space Resources Utilization Roundtable 988, 15.
 
McMillan et al. (1999) 1999ASPC..185..278M McMillan, R. S., Bressi, T. H., Montani, J. L., Moore, T. L., Perry, M. L., Tubbiolo, A. F. 1999. The Value of Fabry-Perot Interferometry in Studying Long-Term Convective Line Shifts. IAU Colloquium 170: Precise Stellar Radial Velocities 185, 278.
 
McMillan et al. (1990) 1990SPIE.1235..601M McMillan, R. S., Smith, P. H., Perry, M. L., Moore, T. L., Merline, W. J. 1990. Long-term stability of a Fabry-Perot interferometer used for measurement of stellar Doppler shift. Instrumentation in Astronomy VII 1235, 601–609. doi:10.1117/12.19123
 
McMillan and Smith(1988) 1988ASSL..144...91M McMillan, R. S., Smith, P. H. 1988. A Radial Velocity Search for Extrasolar Planets. IAU Colloquium 99: Bioastronomy - The Next Steps 144, 91. doi:10.1007/978-94-009-2959-3 _13
 
McMillan et al. (1988) 1988ASPC....3..237M McMillan, R. S., Perry, M. L., Smith, P. H., Merline, W. J. 1988. The optical fiber feed of the LPL radial velocity spectrometer.. Fiber Optics in Astronomy 3, 237–246.
 
McMillan et al. (1986) 1986SPIE..627..141M McMillan, R. S., Scotti, J. V., Frecker, J. E., Gehrels, T., Perry, M. L. 1986. Use of a scanning CCD to discriminate asteroid images moving in a field of stars.. Instrumentation in astronomy VI 627, 141–154. doi:10.1117/12.968084
 
McMillan et al. (1986) 1986SPIE..627....2M McMillan, R. S., Smith, P. H., Frecker, J. E., Merline, W. J., Perry, M. L. 1986. A Fabry-Perot interferometer for accurate measurement of temporal changes in stellar Doppler shift.. Instrumentation in astronomy VI 627, 2–19. doi:10.1117/12.968068
 
McMillan et al. (1986) 1986IAUS..118..459M McMillan, R. S., Smith, P. H., Frecker, J. E., Merline, W. J., Perry, M. L. 1986. A Long-term Radial Velocity Program of High Accuracy with a Small Telescope. Instrumentation and Research Programmes for Small Telescopes 118, 459.
 
McMillan et al. (1985) 1985srv..conf...63M McMillan, R. S., Smith, P. H., Frecker, J. E., Merline, W. J., Perry, M. L. 1985. The LPL Radial Accelerometer. Stellar Radial Velocities, 63–86.
 
McMillan and Stoll(1982) 1982SPIE..331..104M McMillan, R. S., Stoll, C. P. 1982. Software simulations of the detection of rapidly moving asteroids by a charge-coupled device. Instrumentation in Astronomy IV 331, 104–112. doi:10.1117/12.933445
 
McMillan and Kirszenberg(1972) 1972S&T....44..300M McMillan, R. S., Kirszenberg, J. D. 1972. A Modern Version of the Ole Roemer Experiment. Sky and Telescope 44, 300.
 
Co-author of full articles, not refereed:
 
Lejoly et al. (2025) 2025epsc.conf..481L Lejoly, C. and 8 colleagues 2025. SPACEWATCH®: Following up Near-Earth Objects (NEOs) to help Determine their Orbits. EPSC-DPS Joint Meeting 2025 2025. doi:10.5194/epsc-dps2025-481
 
Pravec et al. (2021) 2021plde.confE..24P Pravec, P. and 13 colleagues 2021. Photometric Observations of the Unrelaxed Binary Near-Earth Asteroid (35107) 1991 VH in Support of the NASA Janus Space Mission - Detection of a Spin-Orbit Interaction. 7th IAA Planetary Defense Conference.
 
Scheirich et al. (2019) 2019arXiv191206456S Scheirich, P. and 36 colleagues 2019. A satellite orbit drift in binary near-Earth asteroids (66391) 1999 KW4 and (88710) 2001 SL9 -- Indication of the BYORP effect. arXiv e-prints. doi:10.48550/arXiv.1912.06456
 
Brucker et al. (2019) 2019LPICo2189.2005B Brucker, M. J. and 7 colleagues 2019. SPACEWATCH(R) Observations of High Priority Near-Earth Asteroids. Asteroid Science in the Age of Hayabusa2 and OSIRIS-REx 2189.
 
Mainzer et al. (2015) 2015hchp.book..583M Mainzer, A. and 10 colleagues 2015. Space-Based Infrared Discovery and Characterization of Minor Planets with NEOWISE. Handbook of Cosmic Hazards and Planetary Defense 583–611. doi:10.1007/978-3-319-03952-7 _41
 
Mainzer et al. (2012) 2012LPICo1667.6087M Mainzer, A. and 7 colleagues 2012. Small Body Science with WISE/NEOWISE: An Update. Asteroids, Comets, Meteors 2012 1667.
 
Mainzer et al. (2011) 2011epsc.conf.1530M Mainzer, A. and 7 colleagues 2011. The NEOWISE Project: Recent Results. EPSC-DPS Joint Meeting 2011 2011, 1530.
 
Masiero et al. (2011) 2011epsc.conf..182M Masiero, J. and 12 colleagues 2011. Investigating Main Belt asteroids with WISE/NEOWISE. EPSC-DPS Joint Meeting 2011 2011, 182.
 
Mainzer et al. (2011) 2011arXiv1105.0975M Mainzer, A. and 9 colleagues 2011. Thermal Model Calibration for Minor Planets Observed with WISE/NEOWISE. arXiv e-prints. doi:10.48550/arXiv.1105.0975
 
Mainzer et al. (2010) 2010cosp...38..689M Mainzer, A. and 8 colleagues 2010. WISE: Status of Solar System Observations. 38th COSPAR Scientific Assembly.
 
Haskell et al. (2008) 2008LPICo1405.8250H Haskell, H. T., Larsen, J. A., McMillan, R. S., Spacewatch Team 2008. The Size Distribution of Small Earth Approaching Asteroids. Asteroids, Comets, Meteors 2008 1405.
 
Perry et al. (1998) 1998SPIE.3351..450P Perry, M. L., Bressi, T., McMillan, R. S., Tubbiolo, A., Barr, L. D. 1998. 1.8-m Spacewatch telescope motion control system. Telescope Control Systems III 3351, 450–465. doi:10.1117/12.308809
 
Gatewood et al. (1997) 1997ASPC..119...41G Gatewood, G. and 7 colleagues 1997. The Multi-Channel Astrometric Photometer with Spectrograph: A New Instrument for the Characterization of Extra-Solar Planetary Systems. Planets Beyond the Solar System and the Next Generation of Space Missions 119, 41.
 
Gehrels et al. (1990) 1990ASPC....8...51G Gehrels, T., McMillan, R. S., Scotti, J. V., Perry, M. L. 1990. Drift scanning with a TK 2048 CCD.. CCDs in astronomy 8, 51.
 
Huang et al. (1989) 1989cdoe.conf..148H Huang, C.-S., Lawrence, G., Levy, E., McMillan, R. 1989. Design analysis of the astrometrical telescope facility.. Conference on Current Developments in Optical Engineering III as Part of the Conference on Optical Engineering in Conjunction with SPIE's 32. Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 148–161.
 
Huang et al. (1989) 1989SPIE..965..148H Huang, C., Lawrence, G., Levy, E., McMillan, R. 1989. Design analysis of the astrometrical telescope facility. Current developments in optical engineering III 965, 148–161. doi:10.1117/12.948024
 
Gatewood et al. (1988) 1988IAUS..133..421G Gatewood, G. and 6 colleagues 1988. A prototype detector for the astrometric telescope facility.. Mapping the Sky: Past Heritage and Future Directions 133, 421–424.
 
Smith and McMillan(1988) 1988IAUS..132..291S Smith, P. H., McMillan, R. S. 1988. Short Period Oscillations in Arcturus, Aldebaran, and Pollux. The Impact of Very High S/N Spectroscopy on Stellar Physics 132, 291.
 
Smith et al. (1988) 1988IAUS..123..277S Smith, P. H., McMillan, R. S., Merline, W. J. 1988. A Survey for Doppler-Shift Oscillations in K Giants. Advances in Helio- and Asteroseismology 123, 277.
 
Levy et al. (1988) 1988ASSL..144..131L Levy, E. H. and 7 colleagues 1988. Discovery/study of Planetary Systems Using Astrometry from Space. IAU Colloquium 99: Bioastronomy - The Next Steps 144, 131–136. doi:10.1007/978-94-009-2959-3 _19
 
Huang et al. (1987) 1987SPIE..818..408H Huang, C., Lawrence, G. N., Levy, E. H., McMillan, R. S. 1987. Performance analysis of the multichannel astrometric photometer.. Current developments in optical engineering II 818, 408–418. doi:10.1117/12.978914
 
Smith and McMillan(1987) 1987LIACo..27..329S Smith, P. H., McMillan, R. S. 1987. Accurate accelerometry of solar-type stars.. Liege International Astrophysical Colloquia 27, 329–334.
 
Levy et al. (1986) 1986SPIE..628..181L Levy, E. H., McMillan, R. S., Gatewood, G. D., Stein, J. W. 1986. Astrometric telescope of ten microarcsecond accuracy on the Space Station. Advanced technology optical telescopes III 628, 181–187. doi:10.1117/12.963527
 
Gehrels et al. (1985) 1985ICRC....1...19G Gehrels, N., Gehrels, T., Scotti, J. V., Frecker, J. E., McMillan, R. S., Gehrels, N. 1985. Optical Monitoring of Gamma-Ray Source Fields. 19th International Cosmic Ray Conference (ICRC19), Volume 1 1, 19.
 
Frecker et al. (1984) 1984NASCP2350..137F Frecker, J. E. and 6 colleagues 1984. A CCD system for photometry of direct and spectroscopic images.. NASA Conference Publication 2350, 137–151.
 
Smith et al. (1983) 1983PASP...95R.595S Smith, P. H., McMillan, R. S., Frecker, J. E., Castillo, N. D., Perry, M. L., Merline, W. J. 1983. Progress report on a high-accuracy radial-velocity spectrometer.. Publications of the Astronomical Society of the Pacific 95, 595.
 
Gehrels and McMillan(1982) 1982ASSL...96..279G Gehrels, T., McMillan, R. S. 1982. CCD Scanning for Asteroids and Comets (Invited Paper). Sun and Planetary System 96, 279. doi:10.1007/978-94-009-7846-1 _75
 
Duthie and McMillan(1979) 1979wdvd.coll..403D Duthie, J. G., McMillan, R. S. 1979. Quasi-Periodic and Periodic Oscillations in the Dwarf Nova AH Her. IAU Colloquium 53: White Dwarfs and Variable Degenerate Stars, 403.
 
Ferland and McMillan(1976) 1976IBVS.1176....1F Ferland, G. J., McMillan, R. S. 1976. Photoelectric Differential Photometry of the Contact Binary AW UMa. Information Bulletin on Variable Stars 1176, 1.
 
Lockwood and McMillan(1971) 1971CoKit.554..171L Lockwood, G. W., McMillan, R. S. 1971. Near-infrared photometry of selected IRC stars.. Contributions from the Kitt Peak National Observatory 554, 171–185.
 
First-author abstracts, 1980-2026:
 
McMillan et al. (2016) 2016DPS....4832712M McMillan, R. S. and 6 colleagues 2016. Increasing the Output of Spacewatch Astrometry of Near-Earth Asteroids. AAS/Division for Planetary Sciences Meeting Abstracts #48.
 
McMillan et al. (2016) 2016IAUS..318..317M McMillan, R. S., Larsen, J. A., Bressi, T. H., Scotti, J. V., Mastaler, R. A., Tubbiolo, A. F. 2016. Spacewatch Astrometry and Photometry of Near-Earth Objects. Asteroids: New Observations, New Models 318, 317–318. doi:10.1017/S1743921315006766
 
McMillan et al. (2014) 2014DPS....4641411M McMillan, R. S., Bressi, T. H., Scotti, J. V., Larsen, J. A., Mastaler, R. A. 2014. Spacewatch Observations of Asteroids and Comets Supporting the Large-Scale Surveys. AAS/Division for Planetary Sciences Meeting Abstracts #46.
 
McMillan et al. (2012) 2012DPS....4421014M McMillan, R. S., Bressi, T. H., Scotti, J. V., Larsen, J. A., Perry, M. L. 2012. Spacewatch Observations of Near-Earth Objects. AAS/Division for Planetary Sciences Meeting Abstracts #44.
 
McMillan and WISE Team(2011) 2011AAS...21730103M McMillan, R. S., WISE Team 2011. Solar System Science with WISE. American Astronomical Society Meeting Abstracts #217.
 
McMillan et al. (2010) 2010DPS....42.1322M McMillan, R. S., Bressi, T. H., Larsen, J. A., Maleszewski, C. K., Montani, J. L., Scotti, J. V. 2010. Spacewatch Observations of Asteroids and Comets with Emphasis on Discoveries by WISE. AAS/Division for Planetary Sciences Meeting Abstracts #42.
 
McMillan and WISE Team(2009) 2009AAS...21421702M McMillan, R. S., WISE Team 2009. WISE Solar System Science. American Astronomical Society Meeting Abstracts #214.
 
McMillan et al. (2009) 2009AAS...21345906M McMillan, R. S. and 7 colleagues 2009. NEOWISE: Proposed Discovery of Near-Earth Objects in the Infrared by the WISE Mission.. American Astronomical Society Meeting Abstracts #213.
 
McMillan and Spacewatch Team(2007) 2007IAUS..236..329M McMillan, R. S., Spacewatch Team 2007. Spacewatch preparations for the era of deep all-sky surveys. Near Earth Objects, our Celestial Neighbors: Opportunity and Risk 236, 329–340. doi:10.1017/S1743921307003407
 
McMillan and Spacewatch Team(2006) 2006DPS....38.5807M McMillan, R. S., Spacewatch Team 2006. Spacewatch Preparations for the Era of Deep All-Sky Surveys. AAS/Division for Planetary Sciences Meeting Abstracts #38.
 
McMillan et al. (2000) 2000DPS....32.2612M McMillan, R. S., Perry, M. L., Bressi, T. H., Montani, J. L., Tubbiolo, A. F., Read, M. T. 2000. Progress on the Spacewatch 1.8-m Telescope and Upgrade of the Spacewatch 0.9-m Telescope. AAS/Division for Planetary Sciences Meeting Abstracts #32.
 
McMillan et al. (1998) 1998BAAS...30Q1114M McMillan, R. S. and 8 colleagues 1998. Progress Report on the 1.8-meter Spacewatch Telescope. Bulletin of the American Astronomical Society.
 
McMillan et al. (1992) 1992AAS...181.6805M McMillan, R. S., Moore, T. L., Perry, M. L., Smith, P. H. 1992. The First Five Years of a Radial Velocity Search for Planets. American Astronomical Society Meeting Abstracts.
 
McMillan et al. (1989) 1989BAAS...21.1071M McMillan, R. S., Smith, P. H., Moore, T. L., Perry, M. L. 1989. Accurate Observations of Slow Changes in Stellar Radial Velocities. Bulletin of the American Astronomical Society.
 
McMillan et al. (1986) 1986BAAS...18R.939M McMillan, R. S., Smith, P. H., Merline, W. J., Frecker, J. E., Perry, M. L. 1986. A Program of Accurate Doppler Accelerometry. Bulletin of the American Astronomical Society.
 
McMillan et al. (1986) 1986BAAS...18Q1013M McMillan, R. S., Gehrels, T., Scotti, J. V., Marsden, B. G. 1986. Astrometry with the Spacewatch Scanning CCD. Bulletin of the American Astronomical Society.
 
McMillan et al. (1986) 1986IAUS..118..459M McMillan, R. S., Smith, P. H., Frecker, J. E., Merline, W. J., Perry, M. L. 1986. A Long-term Radial Velocity Program of High Accuracy with a Small Telescope. Instrumentation and Research Programmes for Small Telescopes 118, 459.
 
McMillan et al. (1984) 1984BAAS...16..985M McMillan, R. S., Smith, P. H., Frecker, J. E., Merline, W. J., Perry, M. L. 1984. A Spectrometer for Accurate Radial Accelerometry of Stars. Bulletin of the American Astronomical Society.
 
McMillan et al. (1982) 1982BAAS...14Q.625M McMillan, R. S., Frecker, J. E., Smith, P. H., Roland, E. H., Merline, W. J. 1982. The LPL Extrasolar-Planet-Detection Spectrometer: A New Configuration. Bulletin of the American Astronomical Society.
 
 
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