Ritter Bibliography

One échelle order of a raw Ritter spectrum of the Be star Psi Persei, taken 2004 October 3, shown in false color

Complete Bibliography for Ritter Observatory [under construction]

Listed in Reverse Chronological Order

PDF version in chronological order (updated May 17, 2013)

External collaborators' names^* are listed in parentheses.

Ph.D. dissertations and M. S. theses are listed below.

Refereed publications and invited talks

N. A. Dulaney, N. D. Richardson, C. J. Gerhartz, J. E. Bjorkman, K. S. Bjorkman, (A. C. Carciofi, R. Klement, L. Wang), N. D. Morrison, A. D. Bratcher, J. J. Greco, K. K. Hardegree-Ullman, L. Lembryk, W. L. Oswald, and J. L. Trucks 2016, ApJ, 836, 112 (5 pp), "A Spectroscopic Orbit for the Late-type Be Star β CMi"

(T. Jérábková, D.Korčáková, A. Miroshnichenko, S. Danford, S. V. Zharikov, R. Kříček, P. Zasche, V. Votruba, M. Šlechta, P. Škoda, and J. Janík) 2016, A&A, 586, A116 (29 pp), "Time-dependent spectral-feature variations of stars displaying the B[e] phenomenon III. HD 50138"

D. J. Corliss, N. D. Morrison, and (S. J. Adelman) 2015, AJ, 150, 190 (26 pp), "Spectroscopic and Photometric Variability in the A0 Supergiant HR 1040"

(D. Massa, L. Oskinova, A. W. Fullerton, R. K. Prinja, D. A. Bohlender), N. D. Morrison, (M. Blake, and W. Pych) 2014, MNRAS, 441, 2173-2180, "CIR Modulation of the X-ray Flux from the O7.5 III(n)((f)) Star ξ Persei?"

(S. V. Zharikov, A. S. Miroshnichenko, E. Pollmann, S. Danford), K. S. Bjorkman, N. D. Morrison, (A. Favaro, J. Guarro Flo, J. N. Terry, V. Desnoux, T. Garrel, G. Martineau, Y. Buchet, S. Ubaud, B. Mauclaire, H. Kalbermatten, C. Buil, C. J. Sawicky, T. Blank, and O. Garde) 2013, A&A, 560, A30, "Doppler tomography of the circumstellar disk of π Aquarii"

(N. D. Richardson, G. H. Schaefer, D. R. Gies, O. Chesneau, J. D. Monnier, F. Baron, X. Che, J. R. Parks, R. A. Matson, Y. Touhami, D. P. Clemens, E. J. Aldoretta), N. D. Morrison, (T. A. ten Brummelaar, H. A. McAlister, S. Kraus, S. T. Ridgway, J. Sturmann, L. Sturmann, B. Taylor, N. H. Turner, C. D. Farrington, and P. J. Goldfinger) 2013, ApJ, 769, 118 (12pp), "The H-band Emitting Region of the Luminous Blue Variable P Cygni: Spectrophotometry and Interferometry of the Wind"

G. B. Thompson and N. D. Morrison 2013, AJ, 145, 95 (17pp), "Variability in Optical Spectra of ε Orionis"

(M. A. Smith, R. Lopes de Oliveira, C. Motch, G. W. Henry, N. D. Richardson), K. S. Bjorkman, (Ph. Stee, D. Mourard, J. D. Monnier, X. Che, R. Bücke, E. Pollmann, D. R. Gies, G. H Schaefer, T. ten Brummelaar, H. A. McAlister, N. H. Turner, J. Sturmann, L. Sturmann, and S. T. Ridgway) 2012, A&A, 540, A53, "The relationship between γ Cassiopeiae's X-ray emission and its circumstellar environment"

(J. Nemravová, P. Harmanec, P. Koubský, A. Miroshnichenko, S. Yang, M. Šlechta, C. Buil, D. Korčáková, and V. Votruba) 2012, A&A, 537, A59, "Properties and nature of Be stars 29. Orbital and long-term spectral variations of γ Cassiopeiae"

(S. Kraus, J. D. Monnier, X. Che, G. Schaefer, Y. Touhami, D. R. Gies, J. P. Aufdenberg, F. Baron, N. Thureau, T. A. ten Brummelaar, H. A. McAlister, N. H. Turner, J. Sturmann, and L. Sturmann) 2011, ApJ, 745, 29+, "Gas Distribution, Kinematics, and Excitation Structure in the Disks around the Classical Be Stars β Canis Minoris and ζ Tauri"

(N. D. Richardson), N. D. Morrison, (D. R. Gies, N. Markova), E. N. Hesselbach, and (J. R. Percy) 2011, AJ, 141, 120, "The Hα Variations of the Luminous Blue Variable P Cygni: Discrete Absorption Components and the Short S Doradus Phase"

N. D. Richardson, N. D. Morrison, E. E. Kryukova, and (S. J. Adelman) 2011, AJ, 141, 17, "A Five-year Spectroscopic and Photometric Campaign on the Prototypical α Cygni Variable and A-type Supergiant Star Deneb"

(Y. Touhami, N. D. Richardson, D. R. Gies, G. H. Schaefer, T. S. Boyajian, S. J. Williams, E. D. Grundstrom, M. V. McSwain, D. P. Clemens and B. Taylor) 2010, PASP, 122, 379–395, "Spectral Energy Distributions of Be and Other Massive Stars"

(J. P. Wisniewski, Z. H. Draper), K. S. Bjorkman, (M.R. Meade), J. E. Bjorkman, and (A. F. Kowalski) 2010, ApJ, 709, 1306-1320, "Disk-Loss and Disk-Renewal Phases in Classical Be Stars I: Analysis of Long-Term Spectropolarimetric Data"

(D. Ruždjak, H. Božič, P. Harmanec, R. Fiřt, P. Chadima), K. Bjorkman, (D. R. Gies, A. B. Kaye, P. Koubský, D. McDavid, N. Richardson, D. Sudar, M. Šlechta, M. Wolf and S. Yang) 2009, A&A, 506, 1319–1333, "Properties and nature of Be stars - 26. Long-term and orbital changes of ζ Tauri"

(S. Štefl, Th. Rivinius, A. C. Carciofi, J.-B. Le Bouquin, D. Baade), K. S. Bjorkman, E. Hesselbach, (C. A. Hummel, A. T. Okazaki, E. Pollmann, F. Rantakyrö and J. P. Wisniewski) 2009, A&A, 504, 929–944, "Cyclic variability of the circumstellar disk of the Be star ζ Tauri - I. Long-term monitoring observations"

(D. R. Gies, S. Dieterich, N. D. Richardson, A. R. Riedel, B. L. Team, H. A. McAlister, W. G. Bagnuolo, Jr., E. D. Grundstrom, S. Štefl, Th. Rivinius, and D. Baade) 2008, ApJ, 682, L117–L120, "A Spectroscopic Orbit for Regulus"

(N. Markova, R. K. Prinja, H. Markov, I. Kolka), N. Morrison, (J. Percy, and S. Adelman) 2008, A&A, 487, 211–221, "Wind structure of late B supergiants. I. Multi-line analyses of near-surface and wind structure in HD 199478 (B8 Iae)"

(J. P. Wisniewski), A. F. Kowalski, K. S. Bjorkman, J. E. Bjorkman, and (A. C. Carciofi) 2007, ApJ (Letters), 656, L21–L24, "Toward Mapping the Detailed Density Structure of Classical Be Circumstellar Disks"

(D. R. Gies, W. G. Bagnuolo, Jr., E. K. Baines, T. A. ten Brummelaar, C. D. Farrington, P. J. Goldfinger, E. D. Grundstrom, W. Huang, H. A. McAlister, A. Mérand, J. Sturmann, L. Sturmann, Y. Touhami, N. H. Turner, D. W. Wingert, D. H. Berger, M. V. McSwain, J. P. Aufdenberg, S. T. Ridgway, A. L. Cochran, D. F. Lester, N. C. Sterling), J. E. Bjorkman, K. S. Bjorkman, and (P. Koubský) 2007, ApJ, 654, 527–543, "CHARA Array K'-Band Measurements of the Angular Dimensions of Be Star Disks"

(I. A. Usenko), A. S. Miroshnichenko, (V. G. Klochkova, and M. V. Yushkin) 2005, MNRAS, 362, 1219–1224, "Polaris, the Nearest Cepheid in the Galaxy: Atmosphere Parameters, Reddening and Chemical Composition"

(L. Lefèvre, S. V. Marchenko, S. Lépine, A. F. J. Moffat, A. Acker, T. J. Harries, K. Annuk, D. A. Bohlender, H. Demers, Y. Grosdidier, G. M. Hill), N. D. Morrison, D. C. Knauth, (G. Skalkowski and S. Viti) 2005, MNRAS, 360, 141–152, "Spectroscopic study of the long-period dust-producing WC7pd+O9 binary HD192641"

(M. A. Pogodin), A. S. Miroshnichenko, (A. E. Tarasov, M. P. Mitskevich, G. A. Chountonov, V. G. Klochkova, M. V. Yushkin, N. Manset), K. S. Bjorkman, N. D. Morrison, and J. P. Wisniewski 2004, A&A, 417, 715–723, "A new phase of activity of the Herbig Be star HD 200775 in 2001: Evidence for binarity"

A. S. Miroshnichenko, (A. V. Kusakin), K. S. Bjorkman, (et al.) 2003, A&A, 412, 219–288, "HD 19993 and HD 29035: New Bright A-type Emission-Line Stars"

(S. V. Marchenko, A. F. J. Moffat, D. Ballereau, J. Chauville, J. Zorec, G. M. Hill, K. Annuk, L. J. Corral, H. Demers, P. R. J. Eenens, K. P. Panov, W. Seggewiss, J. R. Thomson, and A. Villar-Sba␣) 2003, ApJ, 596, 1295–1304, "The Unusual 2001 Periastron Passage in the 'Clockwork' Colliding-Wind Binary WR 140"

J. P. Wisniewski, N. D. Morrison, K. S. Bjorkman, A. S. Miroshnichenko, A. C. Gault, (et al.) 2003, ApJ, 588, 486–493, "Spectroscopic and Spectropolarimetric Observations of V838 Monocerotis"

A. S. Miroshnichenko, K. S. Bjorkman, N. D. Morrison, J. P. Wisniewski, (N. Manset, H. Levato, M. Grosso, E. Pollmann, C. Buil), and D. C. Knauth 2003, A&A, 408, 305–311, "Spectroscopy of the Growing Circumstellar Disk in the δ Scorpii Be Binary"

(A. Lobel, A. K. Dupree, R. P. Stefanik, G. Torres, G. Israelian), N. Morrison, (et al.) 2003, ApJ, 583, 923–954, "High-Resolution Spectroscopy of the Yellow Hypergiant ρ Cassiopeiae from 1993 Through the Outburst of 2000–2001"

K. S. Bjorkman, A. S. Miroshnichenko, D. McDavid, and T. M. Pogrosheva 2002, ApJ, 573, 812–824, "A Study of π Aquarii during a Quasi-normal Star Phase: Refined Fundamental Parameters and Evidence for Binarity"

A. S. Miroshnichenko, K. S. Bjorkman, and (V. D. Krugov) 2002, PASP, 114, 1226–1233, "Binary Nature and Long-Term Variations of γ Cassiopeiae"

W. J. Fischer and N. D. Morrison 2001, PASP, 113, 821–828, "Spectrum Variability of the A-Type Supergiant Star HD 223960"

A. S. Miroshnichenko, (J. Fabregat), K. S. Bjorkman, D. C. Knauth, N. D. Morrison, (et al.) 2001, A&A, 377, 485–495, "Spectroscopic Observations of the δ Sco Binary during its Recent Periastron Passage"

(N. Markova), N. Morrison, (I. Kolka, and H. Markov) 2001, A&A, 376, 898–906, "P Cygni in a Short S Doradus Phase. Spectroscopic and Photometric Evidences"

(J. A. de Jong, H. F. Henrichs, L. Kaper, J. S. Nichols, D. A. Bohlender), K. S. Bjorkman, (H. Cao), K. Gordon, (G. Hill, Y. Jiang, I. Kolka), N. Morrison (et al.) 2001, A&A, 368, 601–621, "A Search for the Cause of Cyclical Wind Variability in O stars"

(G. Rauw), N. D. Morrison, (J.-M. Vreux, E. Gosset), and C. L. Mulliss 2001, A&A, 366, 585–597, "The Spectral Variability of HD 192639 and Its Implications for the Star's Wind Structure"

(E. Chapellier, P. Mathias, J.-M. Le Contel, R. Garrido, D. Le Contel, and J.-C. Valtier) 2000, A&A, 362, 189–198, "The Observational Status of the Slowly Pulsating B Star: ι Herculis"

(M. A. Pogodin), A. S. Miroshnichenko, K. S. Bjorkman, N. D. Morrison, and C. L. Mulliss 2000, A&A, 359, 299–305, "Spectroscopic Behaviour of the Herbig Be Star HD 200775 Around Its Maximum Activity in 1997"

(S. Marchenko, G. Rauw, E. Antokhina, I. Antokhin, D. Ballereau, J. Chauville, M. Corcoran, R. Costero, J. Echevarria, T. Eversberg, K. Gayley, G. Koenigsberger), A. Miroshnichenko, (N. Morrell, A. Moffat), N. Morrison, C. Mulliss, (J. Pittard, I. R. Stevens, J.-M. Vreux, and J. Zorec) 2000, MNRAS, 317, 333–342, "Coordinated Monitoring of the Eccentric O-star Binary Iota Orionis. II. Optical Spectroscopy and Photometry"

(J. De Ridder), K. D. Gordon, C. L. Mulliss, and (C. Aerts) 1999, A&A, 341, 574–578, "New Observations of 53 Persei"

A. S. Miroshnichenko, C. L. Mulliss, K. S. Bjorkman, N. D. Morrison, (K. S. Kuratov), and J. P. Wisniewski 1999, MNRAS, 302, 612–624, "Six Intermediate-Mass Stars with Far-Infrared Excess: A Search for Evolutionary Connections"

K. S. Bjorkman 1999, BAAS, 31, 1553, "Flexible Observing and Monitoring Programs with Small, Dedicated Telescopes"

A. S. Miroshnichenko, C. L. Mulliss, K. S. Bjorkman, N. D. Morrison, (Yu. V. Glagolevskij, and G. A. Chountonov) 1998, PASP, 110, 883–887, "High State of Hα Emission Activity of the Herbig Be Star HD 200775"

K. D. Gordon, (G. C. Clayton), T. L. Smith, (J. P. Aufdenberg, J. S. Drilling, M. M. Hanson, C. M. Anderson), and C. L. Mulliss 1998, AJ, 115, 2561–2565, "The Spectroscopic Orbit of the Evolved Binary HD 197770"

(N. M. Elias II, R. E. Wilson, E. C. Olson), J. P. Aufdenberg, (E. F. Guinan, M. Güdel, W. V. van Hamme, and H. L. Stevens) 1997, ApJ, 484, 394–411, "New Perspectives on AX Monocerotis"

N. D. Morrison, D. C. Knauth, C. L. Mulliss, and W. Lee 1997, PASP, 109, 676–681, "High-Resolution Optical Spectra of the Head of Comet C/1996 B2 (Hyakutake)"

K. D. Gordon and C. L. Mulliss 1997, PASP, 109, 221–225, "ζ² Coronae Borealis, a Spectroscopic Triple System Including an Asynchronous Close Binary"

(M. A. Smith, K. Plett, C. M. Johns-Krull, G. S. Basri, J. R. Thompson), and J. P. Aufdenberg 1996, ApJ, 469, 336–346, "Dynamic Processes in Be Star Atmospheres. IV. Common Attributes of Line Profile 'Dimples' "

(C. A. Grady, M. R. Pérez, A. Talavera, K. S. Bjorkman, D. de Winter, P. S. Thé, F. J. Molster, M. E. van den Ancker, M. L. Sitko), N. D. Morrison, M. L. Beaver, (B. McCollum, and M. W. Castelaz) 1996, A&AS, 120, 157–177, "The β Pictoris Phenomenon Among Herbig Ae/Be Stars. UV and Optical High Dispersion Spectra"

C. L. Mulliss and B. W. Bopp 1994, PASP, 106, 822–827, "A Search for Chromospherically Active Stars from the ROSAT EUV Source List"

G. Crinklaw, S. R. Federman, and (C. L. Joseph) 1994, ApJ, 424, 748–753, "The Depletion of Calcium in the Interstellar Medium"

(R. Dempsey), B. W. Bopp, (G. W. Henry, and D. S. Hall) 1993, ApJS, 86, 293–306, "Observations of the Ca II Infrared Triplet in Chromospherically Active Single and Binary Stars"

R. C. Dempsey, B. W. Bopp, (K. G. Strassmeier), A. F. Granados, G. W. Henry, and D. S. Hall 1992, ApJ, 392, 187–200, "Line Profile Asymmetries in Chromospherically Active Stars"

B. W. Bopp, (S. B. Parsons), and R. C. Dempsey 1991, PASP, 103, 444-451, "Optical and Ultraviolet Spectroscopy of Three F + B Binary Stars"

(A. G. Michalitsianos, S. Maran, R. J. Oliversen), B. W. Bopp, (E. Kontizas, A. Dapergolas, and M. Kontizas) 1991, ApJ, 371, 761-771, "Observations of the Peculiar Object MWC 560 in Outburst"

B. W. Bopp and R. C. Dempsey 1989, PASP, 101, 978–980, "Optical Observations of the Unusual Interacting Binary V644 Monocerotis (HD 51480)"

B. W. Bopp and R. C. Dempsey 1989, PASP, 101, 516–519, "A New Orbit for the RS Canum Venaticorum Binary Sigma Geminorum"

S. B. Howell, B. W. Bopp, and P. V. Noah 1983, PASP, 95, 762–767, "The Remarkable Spectrum of the RV Tauri Star R Scuti at Deep Minimum"

M. R. Combi and A. H. Delsemme 1980, ApJ, 238, 381–387, "Brightness Profiles of CO⁺ in the Ionosphere of Comet West (1976 VI)"

M. R. Combi and A. H. Delsemme 1980, ApJ, 237, 641–645, "Neutral Cometary Atmospheres. II. The Production of CN in Comets"

B. W. Bopp and P. V. Noah 1980, PASP, 92, 333–337, "Spectroscopic Observations of the Surface-Activity Binary II Pegasi (HD 224085)"

S. E. Smith and B. W. Bopp 1980, PASP, 92, 225–232, "A Microcomputer-Based System for the Automated Reduction of Astronomical Spectra"

W. F. Rush and R. W. Thompson 1977, ApJ, 211, 184–188, "Rapid Variations of Emission-Line Profiles in Nova Cygni 1975"

D. W. Willmarth 1976, PASP, 88, 86–87, "The Orbit of 71 Draconis"

A. H. Delsemme and M. R. Combi 1976, ApJ (Letters), 209, L153–L156, "Production Rate and Origin of H2O⁺ in Comet Bennett 1970 II"

A. H. Delsemme and M. R. Combi 1976, ApJ (Letters), 209, L149–L151, "The Production Rate and Possible Origin of O(1D) in Comet Bennett 1970 II"

B. W. Bopp and F. Fekel Jr. 1976, AJ, 81, 771–773, "HR 1099: A New Bright RS CVn Variable"

A. H. Delsemme and J. L. Moreau 1973, ApL, 14, 181–185, "Brightness Profiles in the Neutral Coma of Comet Bennett (1970 II)"

Ph. D. dissertations

D. J. Corliss, Time Series Analysis of the A0 Supergiant HR 1040, Ph. D. dissertation, U. Toledo, completed 2013 January

E. N. Hesselbach, Probing the Circumstellar Disks of Classical Be Stars with Optical and Near-Infrared Spectroscopy, Ph. D. dissertation, U. Toledo, completed 2009 August

G. B. Thompson, Time-series Analysis of Line Profile Variability in Optical Spectra of ε Orionis, Ph. D. dissertation, U. Toledo, completed 2009 August

R. C. Dempsey, Line Profile Asymmetries in Chromospherically Active Stars, Ph. D. dissertation, U. Toledo, completed 1991 June

P. V. Noah, Mapping Stellar Surface Features, Ph. D. dissertation, U. Toledo, completed 1987 March

S. E. Smith, Stellar Surface Phenomena: a Spectroscopic Study of the RS Canum Venaticorum Binaries, Ph. D. dissertation, U. Toledo, completed 1984 August

M. S. theses (1987 and later)

S. Rother, "A Time Series Study of Rigel, a B8Ia Supergiant," M. S. thesis, U. Toledo, completed 2009 August

E. R. Hardy, "B to Be: A Post-Outburst Spectroscopic Study of Delta Scorpii," M. S. thesis, U. Toledo, completed 2006 August

N. D. Richardson, "A Five-Year Spectroscopic and Photometric Campaign on the Supergiant Star Deneb," M. S. thesis, U. Toledo, completed 2006 July

D. R. Long, "A Search for Periodicity in the V/R Variations and Polarization of Two Classical Be Stars," M. S. thesis, U. Toledo, completed 2006 May

C. L. Mulliss, "Radial Velocity Variations in φ Herculis," M. S. thesis, U. Toledo, completed 1995 November

J. Aufdenberg, "A model for the Peculiar Interacting Binary Star V644 Mon," M. S. thesis, U. Toledo, completed 1994 December

W. L. Asbury, Jr., "Unusual H-alpha Profiles of HD 35155: an Interacting S Star Binary," M. S. thesis, U. Toledo, completed 1992 December

G. Crinklaw, "The Depletion of Calcium in the Interstellar Medium," M. S. thesis, U. Toledo, completed 1992 June

J. R. Caplinger, "Radial Velocities and Line Profiles for HR 1040 (A0 Iae)," M. S. thesis, U. Toledo, completed 1991 March

R. C. Dempsey, "HD 37453 and HD 207739, Two Unusual F + Be Binary Systems," M. S. thesis, U. Toledo, completed 1987 March

Unrefereed reports and abstracts, selected, material not published elsewhere

N. D. Morrison, S. Rother, and N. Kurschat 2008, in Clumping in Hot Star Winds, W.-R. Hamann, A. Feldmeier, and L. M. Oskinova eds. (Potsdam: Univ.-Verl.), p. 155, http://opus.kobv.de/ubp/volltexte/2008/1812/, "Hα line profile variability in the B8Ia-type supergiant Rigel (β Ori)"
G. B. Thompson, D. W. Kittell, N. D. Morrison, and K. S. Bjorkman 2005, BAAS, 37, 434, "Community Access at Ritter Observatory: Service Observing and Student Training"
B. W. Bopp 1990, MmSAI, 61, No. 3, pp. 723–736, "Optical Chromospheric Diagnostics in RS CVn Stars and Related Objects"

More to come ...

^*Authors are considered internal if the research was done while they were affiliated with The University of Toledo.

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