Publication List
ADS Listing by date
ADS Listing by citations
e-prints at xxx.lanl.gov/archive/astro-ph
ARI Bibliographical Database for Astronomical References
Journals and Other Refereed Publications:
- Lawler, J. E., Den Hartog, E. A., Zabby, Z. E., Sneden, C., Cowan, J. J., & Ivans, I. I. (2007)
Improved Laboratory Transition Probabilities for HfII and Hafnium Abundances in the Sun and 10 Metal-Poor Stars
ApJS, 169, 120
- Ivans, I. I., Simmerer, J. A., Sneden, C., Lawler, J. E., Cowan, J. J., Gallino, R. & Bisterzo, S. (2006)
Near-UV Observations of HD221170: New Insights into the Nature of r-Process-Rich Stars
ApJ, 645, 613
- Sobeck, J. S., Ivans, I. I., Simmerer, J. A., Sneden, C., Hoeflich, P., Fulbright, J. P. & Kraft, R. P. (2006)
Manganese Abundances in Cluster and Halo Field Stars
AJ, 131, 2949
- Johnson, J. A., Ivans, I. I., & Stetson, P. B. (2006)
Chemical Compositions of Red Giant Stars in Old Large Magellanic Cloud Globular Clusters
ApJ, 40, 801
- Johnson, C. I., Kraft, R. P., Pilachowski, C. A., Sneden, C., Ivans, I. I. & Benman, G. (2005)
A 235-Star Sample Sodium, Magnesium, and Aluminum Abundance Study in the Globular Clusters M3 (NGC 5272) and M13 (NGC 6205)
PASP, 117, 1308
- Smith, V. V., Cunha, K., Ivans, I. I., Lattanzio, J. C., & Hinkle, K. H. (2005)
Fluorine Abundance Variations in Red Giants of the Globular Cluster M4 and Early-Cluster Chemical Pollution
ApJ, 633, 392
- Ivans, I. I., Sneden, C., Gallino, R., Cowan, J. J., & Preston, G. W. (2005)
Near-UV Observations of CS29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes
ApJ, 627, L145-148.
- Sneden, C., Ivans, I. I., & Fulbright, J. P. (2004)
Globular Clusters and Field Stars - An Invited Review
in Carnegie Observatories Astrophysics Series, Vol. 4: Origin and Evolution of the Elements
ed. A. McWilliam and M. Rauch (Cambridge: Cambridge Univ. Press), 170-183.
- Cohen, J. G., Christlieb, N., McWilliam, A., Shectman, S., Thompson, I., Wasserburg, G. J., Ivans, I. I., Dehn, M., Karlsson, T., Melendez, J. (2004)
Abundances In Very Metal Poor Dwarf Stars
ApJ, 612, 1107-1135.
- Yong, D., Lambert, D. L., & Ivans, I. I. (2003)
Magnesium Isotopic Abundance Ratios in Cool Stars
ApJ, 599, 1357-1371.
- Ivans, I. I., Sneden, C., James, C. R., Preston, G. W., Fulbright, J. P., Hoeflich, P. A., Carney, B. W., & Wheeler, J. C. (2003)
Chemical Substructure in the Milky Way Halo: A New Population of Old Stars
ApJ, 592, 906-934.
- Sneden, C., Cowan, J. J., Lawler, J. E., Ivans, I. I., Burles, S., Beers, T. C., Truran, J. W., Primas, F., Hill, V., Fuller, G. M., Pfeiffer, B., & Kratz, K-L. (2003)
The Extremely Metal-Poor, Neutron-Capture-Rich Star CS 22892-052: A Comprehensive Abundance Analysis
ApJ, 591, 936-953.
- Simmerer, J., Sneden, C., Ivans, I. I., Kraft, R. P., Shetrone, M. D. & Smith, V. V. (2003)
A Comparison of Copper Abundances in Globular Cluster and Halo Field Giant Stars
AJ, 125, 2018-2028.
- Kraft, R. P. & Ivans, I. I. (2003)
A Globular Cluster Metallicity Scale Based on the Abundance of Fe II
PASP, 115, 143
- Di Fabrizio, L., Clementini, G., Marconi, M., Carretta, E., Ivans, I. I., Bragaglia, A., Di Tomaso, S., Meighi, R., Smith, H. A., Tosi, M., & Sneden, C. (2002)
Anomalous RR Lyrae Stars. CM Leonis
MNRAS, 336, 841 - 850.
- Cowan, J. J., Sneden, C., Burles, S., Ivans, I. I., Beers, T. C., Truran, J. W., Lawler, J. E., Primas, F., Fuller, G. M., Pfeiffer, B., & Kratz, K.-L. (2002)
The Chemical Composition and Age of the Metal-Poor Halo Star BD+17 3248
ApJ, 572:861-879.
- Robinson, E. L., Ivans, I. I., & Welsh, W. F. (2001)
The Variability of the Unusual Optical Spectrum of X-Ray Transient XTE J0421+560 (CI Cam)
ApJ, 565, 1169.
- Adelman, S. J., Snow, T. P., Wood, E., Ivans, I. I., Sneden, C., Eherenfreund, P., & Foing, B. H. (2001)
An Elemental Abundance Analysis of the Mercury-Manganese Star HD 29647
MNRAS, 328, 1144.
- Ivans, I. I., Kraft, R. P., Sneden, C., Smith, G. H., Rich, R. M. & Shetrone, M. (2001)
New Analyses of Star-to-Star Abundance Variations Among Bright Giants in the Mildly Metal-Poor Globular Cluster M5
AJ, 122, 1438-1463.
- Lambert, D. L., Rao, N. K., Pandey, G. & Ivans, I. I. (2001)
Infrared Space Observatory Spectra of R Coronae Borealis Stars. I. Emission Features in the Intervals 3-25 microns
ApJ, 555, 925.
- Clementini, G. Di Tomaso, S., Di Fabrizio, L., Bragaglia, A., Merighi, R., Tosi, M., Carretta, E., Gratton, R. G., Ivans, I. I., Kinard, A., Marconi, M., Smith, H. A., Wilhelm, R., Woodruff, T., Sneden C. (2000)
CU Comae: A New Field Double-Mode RR Lyrae, the Most Metal Poor Discovered to Date
AJ, 120, 2054-2064.
- Sneden, C., Cowan, J. J., Ivans, I. I., Fuller, G., Burles, S., Beers, T. C., & Lawler, J. E. (2000)
Evidence of Multiple r-Process Sites in the Early Galaxy: New Observations of CS 22892 052
ApJ Letters, 533, 139-142.
- Ivans, I. I., Sneden, C., Kraft, R. P., Suntzeff, N. B., Smith, V. V., Langer, G. E., & Fulbright, J. (1999)
Star-to-Star Abundance Variations among Bright Giants in the The Mildly Metal-Poor Globular Cluster M4 (NGC 6121)
AJ, 118, 1273-1300.
- Barnes, T. G., Ivans, I. I., Martin, J., & Froning, C. (1999)
VRI Photometry of Cepheids in the Magellenic Clouds
PASP, 111, 812-816.
- Ivans, I. I., Sneden, C., & Kraft, R. P. (1999)
The Mildly Metal-Poor Globular Cluster M4: Star-to-Star Abundance Variations in 20 Giants
Astrophysics & Space Science, 265, 195-196.
- Percy, J. R., Harlow, J., Hayhoe, K.A.W., Ivans, I. I., Lister, M., Plume, R., Rosebery, T., Thompson, S., & Yeung, D. (1997)
Photometric Monitoring of Bright Be Stars. III. 1988-89 & 1992-95br>
PASP, 109, 1215-1220
- Percy, J. R., Ivans, I. I., Fried, R. E., & Paparo, M. (1994)
Short-Term Photometric Variability of Psi Persei and Zeta Tauri
PASP, 106, 131-133.
Non-Refereed Conference Contributions:
- Lawler, J. E., Den Hartog, E. A., Labby, Z. E., Sneden, C., Cowan, J. J. & Ivans, I. I. (in press)
FTS Branching Comparison in HfII
Optical Society of America
- Bisterzo, S., Gallino, R., Straniero, O., Ivans, I. I., Kappeler, F., & Aoki, W. (2006)
S-Process in Low-Metallicity Pb Stars
C. Abia (ed.)
in Memorie della Societa Astronomica Italiana, 77, 985
- Ivans, I. I., Bisterzo, S., & Gallino, R. (2006)
Chemical Compositions of Neutron-Process Elements in Low-Metallicity Stars: Tracers of r and r+s Nucleosynthesis Processes
C. Abia (ed.)
in Memorie della Societa Astronomica Italiana, 77, 979
- Gallino, R., Staniero, O., Ivans, I. I., Kappeler, F. (2006)
Metallicity dependence of light and heavy s-process elements in AGB stars
C. Abia (ed.)
in Memorie della Societa Astronomica Italiana, 77, 786
- Bisterzo, S., Gallino, R., Delaude, D. & Ivans, I. I. (2005)
Predictions for Low Metallicity s-process Lead Stars Showing Peculiar r-process Enhancements
V. Hill, P. Francois, & F. Primas (ed.)
in ``From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution''
Cambridge University Press, IAU Symp. 228, 481
- Sobeck, J. S., Simmerer, J., Ivans, I. I., Sneden, C., Fulbright, J. P. & Kraft, R. P. (2005)
Manganese abundances in cluster and field stars
V. Hill, P. Francois, & F. Primas (ed.)
in ``From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution''
Cambridge University Press, IAU Symp. 228, 379
- Ivans, I. I., Sneden, C., Gallino, R., Cowan, J. J. & Preston, G. W. (2005)
CS29497-030 Abundance Constraints on Neutron-Capture Nucleosynthesis
V. Hill, P. Francois, & F. Primas (ed.)
in ``From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution''
Cambridge University Press, IAU Symp. 228, 467
- Sneden, C. & Ivans, I. I. (2005)
Leaded Metal-Poor Stars
RevMexAA (Serie de Conferencias), 23, 35
- Ivans, I. I. (submitted)
Unraveling the Origins and History of the Outer Halo Cluster System
L. Pasquini & S. Randich (ed.)
in Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites
Springer-Verlag, ESO Astrophysics Symposia.
- Rhee, J., Ivans, I. I., McWilliam, A. (in press)
Chemical Compositions of Newly Discovered Extremely Metal-Poor Giants
F. G. Bash & T. G. Barnes (ed.)
in Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis
in honor of Dr. David Lambert
PASP
- Johnson, C. I., Sneden, C., Pilachowski, C. A., Kraft, R. P., Ivans, I. I., Guntel, B. (in press)
A Large-Sample Sodium and Magnesium Abundance Study in the Globular Cluster M3
F. G. Bash & T. G. Barnes (ed.)
in Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis
in honor of Dr. David Lambert
PASP
- Sobeck, J. S., Simmerer, J. A., Fulbright, J. P., Sneden, C., Kraft, R. P., Ivans, I. I. (in press)
A Manganese Abundance Survey of Globular Clusters and Halo Field Stars
F. G. Bash & T. G. Barnes (ed.)
in Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis
in honor of Dr. David Lambert
PASP
- Ivans, I. I., Sneden, C., Wallerstein, G., Kraft, R. P., Norris, J. E., Fulbright, J. P., & Gonzalez, G. (2004)
On the Question of the Metallicity Spread in Globular Cluster M22
G. Da Costa and F. D'Antona (ed.)
in Memorie della Societa' Astronomica Italiana, 75, 286
- Kraft, R. P. & Ivans, I. I. (2004)
A New Globular Cluster Metallicity Scale Based on the Abundance of Fe II
in Carnegie Observatories Centennial Symposium IV
``Origin and Evolution of the Elements''
Carnegie Observatories, Pasadena, USA, February 16-21, 2003
- Johnson, J. A., Bolte, M., Hesser, J. E., Ivans, I. I., & Stetson, P. B. (2003)
Abundances in LMC and SMC Clusters
in Carnegie Observatories Centennial Symposium IV
``Origin and Evolution of the Elements''
Carnegie Observatories, Pasadena, USA, February 16-21, 2003
- Ivans, I. I., Sneden, C., James, C. R., Preston, G. W., Fulbright, J. P., Hoeflich, P. A., Carney, B. W., & Wheeler, J. C. (2003)
A New Population of Old Stars
in Carnegie Observatories Centennial Symposium IV
``Origin and Evolution of the Elements''
Carnegie Observatories, Pasadena, USA, February 16-21, 2003
-
Ivans, I. I ., Kraft, R. P., Fulbright, J. P., Norris, J. E., Sneden, C., Wallerstein, G., & Gonzalez, G. (2002)
On the Question of the Metallicity Spread in Globular Cluster M22
``Stellar Abundances & Nucleosynthesis Conference''
Institute for Nuclear Theory and University of Washington, Seattle, Washington, March 27 - 29, 2002
- Bragaglia, A., Di Fabrizio, L., Carretta, E., Clementini, G., Di Tomaso, S., Gratton, R. G., Ivans, I. I., Marconi, M., Merighi, R., Smith, H., Sneden, C., & Tosi, M. (2002)
The Field RR Lyrae Star CM Leo and its Chemical Abundance
``Stellar Abundances & Nucleosynthesis Conference''
Institute for Nuclear Theory and University of Washington, Seattle, Washington, March 27 - 29, 2002.
-
Ivans, I. I., Kraft, R. P., Sneden, C., Smith, G. H., Rich, R. M. & Shetrone, M. (2002)
Chemical Abundance Variations in Globular Clusters: Recent Results from Globular Cluster M5
(eds) G. S. Da Costa & H. Jerjen\
in ``The Dynamics, Structure, and History of Galaxies"
ASP Conf. Series, 273, 327-330
- Robinson, E. L., Ivans, I. I., & Welsh, W. F. (in press)
Optical Spectroscopy of the X-Ray Transient J0421+560 (= CI Cam)
(ed.) N. White
in "Stellar Endpoints, AGN and the Diffuse Background"
Proceedings of the X-ray Astronomy '99 Conference
AIP Conf. Series.
- Ivans, I. I., Carney, B., de Almeida, L., & Sneden, C. (2001)
Galactic Mergers: A Search for Chemical Signatures
S. Deiters et al (ed.)
in ``Dynamics of Star Clusters and the Milky Way''
International Spring Meeting of the Astronomische Gesellschaft
March 20-24, 2000, Astronomisches Rechen-Institut, Heidelberg, Germany
ASP Conf. Series, 228, 461-463.
- Ivans, I. I., Sneden, C., Kraft, R. P., Suntzeff, N. B., Smith, V. V., Langer, G. E. & Fulbright, J. P. (2001)
Getting the Red Out: A Stellar Approach to Determining Spatial Variations in Interstellar Dust
for ``The Seventh Texas-Mexico Conference on Astrophysics: Glows, Flows & Blows''
W. Lee & S. Torres- Peimbert (ed.)
in Revista Mexicana de Astronomia y Astrofisica Serie de Conferencias, 10, 217-221.
- Sneden, C., Ivans, I. I., & Kraft, R. P. (2000)
Do AGB Stars Differ Chemically from RGB Stars?
Memorie Societa Astronomica Italiana, 71, 657-665.
- Bragaglia, A., Clementini, G., di Fabrizio, L., di Tomaso, S., Merighi,
R., Tosi, M., Ivans, I., Sneden, C., Wilhelm, R., & Smith, H. (2000)
Anomalous Pulsation of Field RR Lyrae Variables: Photometric and Spectroscopic Study of CM Leo, BS Com, and CU Com
L. Szabados & D. Kurtz (ed.)
in ``The Impact of Large-Scale Surveys on Pulsating Star Research''
IAU Colloquium 176, ASP Conf. Series, Volume 203, 271-272.
- Ivans, I. I., Carney, B., de Almeida, L., & Sneden, C. (2000)
A Search for Chemical Signatures of Galactic Mergers
A. Noels et al (ed.)
in ``The Galactic Halo: From Globular Clusters to Field Stars''
35th Liege International Astrophysics Colloquium, (Liege: University of Liege), 227-230.
- Ivans, I. I. (2000)
Chemical Abundances of Bright Giants in the Mildly Metal-Poor Globular Cluster M4
A. Noels et al (ed.)
in ``The Galactic Halo: From Globular Clusters to Field Stars''
35th Liege International Astrophysics Colloquium, (Liege: University of Liege), p.183-188.
- Robinson, E. L., Ivans, I. I., & Welsh, W. F. (in press)
A Spherically-Symmetric, Low-Velocity Shell around the X-Ray Binary CI Cam
P. Charles, A. King & D. O'Donoghue, (ed.)
in ``Cataclysmic Variables: a 60th Birthday Symposium in Honour of Brian Warner''
April 12-16, 1999, Oxford, UK
New Astronomy Reviews.
- Ivans, I. I., Sneden, C., & Kraft, R. P. (1999)
Chemical Abundance Analysis of Globular Cluster M4 (NGC 6121): High Resolution Echelle Spectra of 20 Giant Stars
M. Spite (ed.)
in ``Galaxy Evolution: Connecting the Distant Universe with the Local Fossil Record''
Proceedings of the Rencontres de l'Observatoire 1998 held at the Observatoire de Paris-Meudon, 1998
(Norwell, MA: Kluwer), 195-196.
- Robinson, E. L., Ivans, I. I., & Welsh, W. F. (1999)
The Spectrum of the X-Ray Transient CI Cam
C. Hellier & K. Mukai (ed.)
in ``The 2nd Annapolis Workshop on Magnetic Cataclysmic Variables''
held 13-17 July, 1998 in Annapolis Maryland
Astronomical Society of the Pacific Conf. Series, Vol. 157, 409.
Abstracts:
- Krugler, J. A., Beers, T. C., Lee, Y., Sivarani, T., Marsteller, B., Wilhelm, R., Allende Prieto, C., Frebel, A., Norris, J. E., Johnson, J., Ivans, I. I., Yanny, B., Rockosi, C., Morrison, H., Newberg, H. J. & Knapp, J. (2006)
Revised Parameter Estimates for the Most Metal-Poor Candidates in SDSS-I and SEGUE
AAS 210
- Sivarani, T., Beers, T. C., Lee, Y., Krugler, J., Wilhelm, R., Allende Prieto, C., Sneden, C., Lambert, D. L., Shetrone, M., Johnson, J., Ivans, I. I., Rockosi, C., Lai, D., Morrison, H. & Aoki, W. (2006)
High-Resolution Calibration of the SDSS/SEGUE Spectroscopic Analysis Pipeline
AAS 209
- Beers, T. C., Lee, Y., Sivarani, T., Marsteller, B., Krugler, J., Wilhelm, R., Allende Prieto, C., Morris, J., Johnson, J., Ivans, I. I., Yanny, B., Rockosi, C., Morrison, H., Newberg, H. J. & Knapp, J. (2006)
The Most Metal-Poor Candidates in the SDSS-I DR5
AAS 209
- Sneden, C., Lawler, J. E., Den Hartog, E. A., Labby, Z. E., Cowan, J. J. & Ivans, I. I. (2006)
Hafnium and the R-Process in the Sun and Metal-Poor Stars
AAS 209
- Ivans, I. I. (2006)
Chemical Compositions Derived from Near Ultra-Violet Observations of Low-Metallicity Stars: New Insights into the Sites of Neutron-Capture Nucleosynthesis Processes
Nuclei in the Cosmos IX
CERN, Switzerland
- Ivans, I. I. (2006)
Abundances of Heavy Elements in Globular Clusters
Nuclei in Globular Clusters Satellite Workshop
Geneva Observatory, Switzerland
- Gallino, R., Bisterzo, S., Delaude, D., Husti, L., Straniero, O., Cristallo, S., Ivans, I. I., Ryan, S. G., Aoki, W.& Beers, T. (2005)
Carbon-rich Stars with and without s-process enhancement at Very Low Metallicity: Lead Stars and the Problem of Sr, Y, Zr
OMEG05, Japan
- Pritzl, B. J., Venn, K. A., Ivans, I. I., Catelan, M., Stetson, P. B., Theis, C., Smith, H. A. & Stephens, A. (2005)
Spectral Analysis of NGC6338 and NGC6441
AAS, 206
- Sobeck, J. S., Simmerer, J. A., Ivans, I. I., Sneden, C., Fulbright, J. P. & Kraft, R. P. (2005)
Manganese Abundances in Cluster and Halo Field Stars
V. Hill, P. Francois, & F. Primas (ed.)
in ``From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution''
Springer-Verlag, ESO Astrophysics Symposia.
- Smith, V. V., Cunha, K., Ivans, I. I., Lattanzio, J. C., & Hinkle, K. H. (2005)
Fluorine Abundance Variations in Red Giants of the Globular Cluster M4: Clues to Early-Cluster Chemical Pollution
V. Hill, P. Francois, & F. Primas (ed.)
in ``From Lithium to Uranium: Elemental Tracers of Early Cosmic Evolution''
Springer-Verlag, ESO Astrophysics Symposia.
- Ivans, I. I. (2005)
HIRES Chemical Compositions of Metal-Poor Sgr dSph and Inner Halo Globular Cluster Stars
AAS, 205
- Ivans, I. I. (2004)
Tracing Supernovae Progenitors Using the Observed Chemical Signatures in Low Metallicity Stars
Mitchell Symposium on Observational Cosmology
College Station, TX
- Johnson, C. I., Sneden, C., Pilachowski, C. A., Kraft, R. P., Ivans, I. I., Guntel, B. (2004)
A Large-Sample Sodium and Magnesium Abundance Study in the Globular Cluster M3
AAS, 204
- Sobeck, J. S., Simmerer, J. A., Fulbright, J. P., Sneden, C., Kraft, R. P. Ivans, I. I. (2004)
Manganese Abundances in Globular Cluster and Halo Field Stars
AAS, 204
- Johnson, J. A., Bolte, M., Stetson, P., & Ivans, I. I. (2003)
Chemical Abundances of Magellanic Cloud Globular Cluster Stars
I.A.U. General Assembly, Joint Discussion #4
- Ivans, I. I., Sneden, C., James, C. R., Preston, G. W., Fulbright, J. P., Hoeflich, P. A., Carney, B. W., & Wheeler, J. C. (2003)
A New Population of Old Stars
AAS, 201.
- Ivans, I. I., Sneden, C., Beers, T. C., Chiba, M., Aoki, W., & Norris, J. E. (2002)
A Test of the ``Universality'' of the Eu r-Process Production Mechanism
"The r-process: New Experimental, Theoretical, and Observational Opportunities"
Gull Lake, MI.
- Ivans, I. I., Sneden, C., Beers, T. C., Chiba, M., Helmi, A., & Norris, J. E. (2002)
Galactic Archaeology: Chemical Abundances of Kinematically Selected Metal-Poor Stars
``Low Z at Low z and High z: Early Chemical Evolution''
Theoretical Physics Institute and University of Minnesota, Minneapolis, Minnesota, March 21 - 23, 2002.
- Ivans, I. I. (2002)
Galactic Archaeology: The Chemical Composition of a Fossil Stellar Stream
AAS, 199.
- Cowan, J. J., Sneden, C., Ivans, I. I., Burles, S., Beers, T. C., Truran, J.W., Lawler, J.E., Primas, F., Fuller, G.M., Pfeiffer, B., & Kratz, K.-L. (2002)
The Abundances and Age of the Galactic Halo Star BD+17 3248
AAS,199
- Ivans, I. I., Kraft, R. P., Sneden, C., Smith, G. H., Rich, R. M. & Shetrone, M. (in press)
Star-to-Star Chemical Abundance Variations in Cluster Giants: Resent Results from Mildly Metal-Poor M5
Astronomical Society of Australia 2001 Scientific Meeting.
- Sneden, C., Cowan, J., Beers, T., Burles, S., Fuller, G., Ivans, I., & Lawler, J. (2001)
Neutron-Capture Element Distributions in Metal-Poor Stars: Examination of a New Star with New Atomic Data
Bull. of the Amer. Astr. Soc., 197, #44.14.
- Simmerer, J., Ivans, I. I., Sneden, C., & Kraft, R. P. (2001)
Copper Abundances in Globular Clusters
Bull. of the Amer. Astr. Soc., 197, #41.18.
- Ivans, I. I., Kraft, R. P., Sneden, C., & Smith, G. H. (2000)
Giants in the Mildly Metal-Poor Globular Cluster M5 (NGC 5904): Keck HIRES Chemical Abundances
Bull. of the Amer. Astr. Soc., 196, #40.08.
- Cowan, J. J., Sneden, C., Ivans, I., Burles, S., Beers, T. C., & Fuller, G. (1999)
Abundances in Ultra-Metal-Poor Halo Giant CS22892-052: Implications for the Production of Neutron-Capture Elements in the Early Galaxy
Bull. of the Amer. Astr. Soc., 194, #67.04.
- Ivans, I. I., Sneden, C., Kraft, R. P., Suntzeff, N. B., Smith, V. V., & Langer, G. E. (1999)
The Mildly Metal-Poor Globular Cluster M4 (NGC 6121): Star-to-Star Abundance Variations in 36 Giants
Bull. of the Amer. Astr. Soc., 193, #68.11.
- Robinson, E. L., Ivans, I. I., & Welsh, W. F. (1999)
The Optical Spectrum of the X-Ray Transient XTE J0421+560 (=CI Cam)
Bull. of the Amer. Astr. Soc., 193, #52.01.
Other Non-Refereed Publications:
- Ivans, I. I., Percy, J. R., & Zorgdrager, I. (1992)
Astronomy & Astrophysics in Your Classroom - Part II: Activities for Use in Teaching Astronomy
Crucible: The Journal of the Science Teachers' Association of Ontario, Vol. 23-3, 16-23.
- Ivans, I. I., Percy, J. R., & Zorgdrager, I. (1992)
Astronomy & Astrophysics in Your Classroom - Part I: Activities for Use in Teaching Astronomy
Crucible: The Journal of the Science Teachers' Association of Ontario, Vol. 23-2, 10-15.