Refereed Publications
"Excitation of Lunar Luminescence by Solar Protons," S. P. S. Anand, L. Oster and S. Sofia, Nature, 202, 1097, 1964.
"The Emission of the Quiet Corona at Meter Wavelengths," L. Oster and S. Sofia, Astrophys. J., 141, 1139, 1965.
"The Influence of the Plasma Frequency Cut-Off on Stellar Opacity," S. Sofia, Acta Cientifica Venezolana, 16, 34, 1965.
"Thermal Dissipation and Its Application to Flare Phenomena," L. Oster and S. Sofia, Astrophys. J., 143, 944, 1965.
"The Origin and Condensations in Planetary Nebulae," S. Sofia, Astrophys. J., 145, 84, 1966.
"Quasars - A Minority Report," E. S. Fletcher, J. H. Hunter and S. Sofia, Nature, 210, 346, 1966.
"The Electron Temperature of H II Regions," S. Sofia, Ann. D'Astrophys., 30, 377, 1967.
"Evolution of the Radio Spectral Index of Supernova Remnants," S. Sofia and R. F. O'Connell, Zs. f. Astrophys., 65, 498, 1967.
"The Cosmic Ray Electron Spectrum in a Disc-Halo Galactic Model," S. Sofia, and R. F. O'Connell, Nuovo Cimento, 50, 359, 1967.
"Comments on Shklovsky's Model for the X-Ray Source Sco XR-1," S. Sofia, Astrophys. J., 149, L59, 1967.
"Dynamical Models of Planetary Nebulae," S. Sofia and J. H. Hunter, Astrophys. J., 152, 405, 1968.
"Population Type of Cygnus X-2," S. Sofia and R. E. Wilson, Nature, 218, 73, 1968.
"The Hg Absorption Line Profile in Cygnus X-2," S. Sofia, Astrophys. Lett., 2, 173, 1968.
"Physical Characteristics of Sco X-1," G. Gatewood and S. Sofia, Astrophys. J., 154, L69, 1968.
"On the Upper Limits to the Size of Extended Objects as Determined from their Light Variations," S. Sofia, Acta Cientifica Venezolana, 20, 31, 1969.
"A Study of the Positions and Proper Motions of 83 Stars in the Region of Sco X-1," G. Gatewood, S. Sofia and H. K. Eichhorn, Astron. J., 74, 20, 1969.
"On the Nature of the X-Ray Sources Scorpius X-1 and Centaurus X-2," S. Sofia, Publications of the IAU Symposium #37 on Non-Solar X Gamma Ray Astronomy (ed. L. Gratton), 180, 1970.
"Dynamical Study of an HII Region," S. Sofia, Pub. Astron. Soc. Pacific, 31, 265, 1969.
"A Model of Cygnus X-2," S. Sofia and R. E. Wilson, Nature, 223, 1350, 1969.
"Magnetic Funelling for Accretion on Neutron Stars," S. Sofia, Astrophys. Lett., 5, 45, 1970.
"On the Nature of Centaurus X-2," S. Sofia, M.N.R.A.S., 154, 9, 1971.
"Dynamics and Thermal Stability of Planetary Nebulae," J. H. Hunter and S. Sofia, M.N.R.A.S., 254, 393, 1971.
"On the Masses of Type II Supernova Remnants," S. Sofia, Astrophys. J., 172, 53, 1972.
"On the Origin of the Galactic X-Ray Background, " S. Sofia, Acta Cien. Ven., 22, 124, 1971.
"Neutron Stars and Black Holes," S. Sofia, Nature Phys. Sci., 234, 155, 1971.
"A Neutron Star in Cen X-3," S. Sofia, Astrophys. J. Lett., 174, L31, 1972.
"Extragalactic Origin of the Transient X-Ray Sources," S. Sofia, Astrophys. J. Lett., 188, L45, 1972.
"Physics of the X-Radiation from Clusters of Galaxies," S. Sofia, Astrophys. J. Lett., 179, L25, 1973.
The Bright Stars Associated with Galactic X-Ray Sources," S. Sofia, Astrophys. J. Lett., 188, L45, 1974.
"The Origin of the Cosmic Gamma Ray Bursts," S. Sofia and H. M. Van Horn, Astrophys. J., 194, 593, 1974.
"The Structure of the Orion A Molecular Cloud," H. Gerola and S. Sofia, Astrophys. J., 196, 473, 1975.
"Effects of Tidal Distortion on Binary Star Velocity Curves and Ellipsoidal Variation," R. E. Wilson and S. Sofia, Astrophys. J., 203, 182, 1976.
"Binary Pulsar PSR 1913 + 16: Model for Its Origin," H. M. Van Horn, S. Sofia, M. P. Savedoff, J. G. Duthie and R. A. Berg, Science, 188, 930, 1975.
"The Matter-Antimatter Collision Hypothesis for the Origin of the Cosmic Gamma Ray Bursts," S. Sofia and H. M. Van Horn, Proceeding of the Seventh Texas Symp. on Rel. Ap., Annals of the New York Academy of Sciences, 262, 197, 1975.
"The Nature of the X-Ray Nova AO620-00," A. S. Endal, E. J. Devinney and S. Sofia, Workshop Papers for a Symposium on X-Ray Binaries, 361, 1976.
"On the Possibly Overluminous Triple Star 13 Ceti," G. Gatewood and S. Sofia, Pub. of the Astr. Soc. Pacific, 88, 50, 1976.
"The Distribution of the Galactic Compact X-Ray Sources" "A Statistical Analysis," S. Sofia and F. Wesemael, Astrophys. J., 205, 233, 1976.
"The Positions and Proper Motions of HZ Herc and 12 Neighboring Stars," G. Gatewood and S. Sofia, Astrophys. J. Lett., 204, L89, 1976.
"A Model for the X-Ray Nova AO620-00," A. S. Endal, E. J. Devinney and S. Sofia, Astrophysical Letters, 17, 131, 1976.
"The Evolution of Rotating Stars. I. Method and Exploratory Calculations for 7 MO Star," A. S. Endal and S. Sofia, Astrophys. J., 210, 184, 1976.
"Local Gamma Ray Events as Tests of the Antimatter Theory of Gamma Ray Bursts," S. Sofia and R. E. Wilson, Astrophys. and Space Sci., 39, L7, 1976.
"Contraction of the Orion Nebula Cluster Molecular Cloud," F. Fallon, H. Gerola and S. Sofia, Astrophys. J., 217, 719, 1977.
"On the Emission of Neutrinos and Gravitational Waves in the Formation of Neutron Stars," Y. Kondo, G. McClusky and S. Sofia, Astrophys. and Space Science, 51, 187, 1977.
"The Evolution of Rotating Stars. II. Calculations with Time-Dependent Redistribution of Angular momentum for 7 and 10 MO Stars," A. Endal and S. Sofia, Astrophys. J., 220, 279, 1978.
"Detectable Gravitational Radiation from Stellar Collapse." A. Endal and S. Sofia, Phys. Rev. Letters, 39, 1429, 1977.
"Death Throes of Massive Stars," S. Sofia, W. Sparks and A. Endal, Nature, 277, 456, 1979.
"The Evolution of Rotating Stars III. Predicted Surface Rotational Velocities for Stars Which Conserve Total Angular Momentum," A. Endal and S. Sofia, Ap. J., 232, 531, 1979.
"Discovery of Two Distorted Interstellar Bubbles," T. Gull and S. Sofia, Ap. J., 230, 782, 1979.
"Solar Constant: Constraints on Possible Variations Derived from Solar Diameter Measurements," S. Sofia, J. O'Keefe, J. R. Lesh and A. Endal, Science, 204, 1306, 1979.
"N-Body Experiments and the Distribution of the Missing Mass in Clusters of Galaxies," H. Smith, P. Hintzen, G. Holman, W. Ogerle, J. Scott and S. Sofia, Ap. J. Letters, 238, L27, 1980.
"Stellar Winds, Supernovae and the Origin of the HI Supershell," F. Bruhweiler, T. Gull, M. Kafatos and S. Sofia, Ap. J. Letters, 238, L27, 1980.
"Observation of Probable Change in the Solar Radius Between 1715 and 1979," D. Dunham, S. Sofia, A. Fiala, P. Muller and D. Herald, Science, 210, 1243, 1980.
"The Evolution of Supernova Remnants in Different Galactic Environments and Its Effects on Supernova Statistics," M. Kafatos, S. Sofia, T. Gull and F. Bruhweiler, Ap. J., 242, 294, 1980.
"Probable Detection of Climatically Significant Change of the Solar Constant," S. Sofia and A. S. Endal, Proceedings of the Conference on the Ancient Sun, (R. O. Pepin, J. A. Eddy and R. B. Merrill, eds.), 139, 1980.
"Rotational History of the Sun: Spin-Down of the Interior by Circulation and Fluid Instabilities," A. S. Endal and S. Sofia, Proceedings of Conference on the Ancient Sun, (R. O. Pepin, J. A. Eddy and R. B. Merrill, eds.), 321, 1980.
"Determination of Variations of the Solar Radius from Solar Eclipse Observations," S. Sofia, D. W. Dunham and A. D. Fiala, Proceedings of the Conference on the Ancient Sun, (R. O. Pepin, J. A. Eddy and R. B. Merrill, eds.), 147, 1980.
"A Variable Mixing Length Ratio for Convection Theory," K. L. Chan, C. L. Wolff and S. Sofia, Ap. J., 244, 582, 1981.
"The Schwarzschild Criterion for Convection in the Presence of a Magnetic Field," K. H. Schatten and S. Sofia, Ap. Letters, 21, 93, 1981.
"Rotation in Solar-Type Stars. I. Evolutionary Models for the Spin-Down of the Sun," A. S. Endal and S. Sofia, Ap. J., 243, 625, 1981.
"Structural Variability of the Sun," S. Sofia in Sun and Climate, (R. Kandel, ed.) 295, 1981.
"Solar Variability," S. Sofia, Rev. Mexicana, Astron. Astrof., 6, 359, 1981.
"Quick Matching Technique to Study the Relationship Between Solar Radius and Luminosity Variations," S. Sofia and K. L. Chan, Solar Physics, 76, 145, 1982.
"Solar Irradiance Variations Due to Active Regions," L. Oster, K. Schatten, and S. Sofia, Ap. J., 256, 768, 1982.
"Solar Irradiance Modulation by Active Regions During 1980," S. Sofia, L. Oster, and K. Schatten, Solar Physics, 80, 87, 1982.
"Solar Irradiance Modulation by Active Regions from 1969 through 1980," K. H. Schatten, N. Miller, S. Sofia and L. Oster, Geophys. Res. Letters, 9, 49, 1982.
"Solar Radius Change Between 1925 and 1979," S. Sofia, D. W. Dunham, J. B. Dunham and A. D. Fiala, Nature, 304, 522, 1983.
"Turbulent Compressible Convection in a Deep Atmosphere," K. L. Chan, S. Sofia and C. L. Wolff, Ap. J., 263, 935, 1982.
"Solar Variability," S. Sofia and A. S. Endal, Comments on Astrophysics, 9, 277, 1982.
"Facular Influences on the Apparent Solar Shape," K. H. Schatten and S. Sofia, Nature, 301, 133, 1983.
"Solar Variability as a Source of Climate Change," S. Sofia, Climate Processes and Climate Sensitivity, Geophysical Monograph, 29, Maurice Ewing, Vol. 5, 202, 1984.
"The Solar Disk Sextant," S. Sofia, H-Y. Chiu, E. Maier, K. Schatten, P. Minott and A. S. Endal, Applied Optics, 23, 1235, 1984.
"Solar Disk Sextant Optical Configuration," H-Y. Chiu, E. Maier, K. Schatten and S. Sofia, Applied Optics, 23, 1230, 1984.
"Turbulent Compressible Convection in a Deep Atmosphere II. Two-Dimensional Results for Main Sequence A5 and F0 Type Envelope," S. Sofia and K. L. Chan, Astrophys., J., 282, 550, 1984.
"From Solar Dynamo to Terrestrial Climate", S. Sofia, P. Demarque and A. Endal, American Scientist, 73, 326, 1985.
"Changes of Solar Luminosity and Radius Following Secular Perturbations in the Convective Envelope", A. Endal, S. Sofia and L. Twigg, Astrophys. J., 290, 748, 1985.
"The Importance of Improved Facular Observations in Understanding Solar Constant Variations", K. Schatten, N. Miller, S. Sofia, A. Endal, G. Chapman and J. Hickey, Astrophys. J., 294, 689, 1985.
"Turbulent Compressible Convection in a Deep Atmosphere. III. Tests on the Validity and Limitation of the Numerical Approach", K. Chan and S. Sofia, Astrophys. J., 307, 222, 1986.
"Validity Tests of the Mixing-Length Theory of Deep Convection", K. Chan and S. Sofia, Science, 235, 465, 1987.
"Deep Einstein X-Ray Imagery of the Small Magellanic Cloud", F. Bruhweiler, D. Klinglesmith, T. Gull and S. Sofia, Astrophys. J., 317, 152, 1987.
"The Solar-Stellar Connection: I. Solar Studies", S. Sofia and A. Endal, Pub. Astron. Soc. Pacific, 99, 1241, 1987.
"Evolution and Internal Rotation of the Sun", S. Sofia, in The Internal Solar Angular Velocity, ed. B. R. Durney and S. Sofia, (Reidel: Dordrecht) 173, 1987.
"The Mixing-Length Ratio, Eddy Diffusivity, and Acoustic Waves", K. L. Chan and S. Sofia, in Atmospheric Diagnostics of Stellar Evolution: Chemical Peculiarity, Mass Loss, and Explosion, K. Nomoto, ed. (Springer-Verlag: Berlin), 191, 1987.
"Evolutionary Models of the Rotating Sun", S. Sofia, M. Pinsonneault, S. D. Kawaler and P. Demarque, in Cool Stars, Stellar Systems and the Sun, J. L. Linsky and R. E. Stencel, eds. (Springer-Verlag: Berlin) 205, 1988.
"Mixing-Length Effects on Shears in the Convection Zone", K. L. Chan, S. Sofia and H. G. Mayr, in The Internal Solar Angular Velocity, ed. B. R. Durney and S. Sofia, (Reidel: Dordrecht), 347, 1987.
"Forecast of an Exceptionally Large Even Numbered Solar Cycle", K. Schatten and S. Sofia, Geophys. Res. L., 14, 632, 1987.
"Ultraviolet Variability of the Solar Analogue Star Alpha Centauri A", U. J. Sofia, F. C. Bruhweiler and S. Sofia, Jour Geoph. Res., 94, 9117, 1989.
"A MAP Based Determination of the Nature of Beta Delphini", G. Gatewood, M. Castelaz, J. Stein, P. Demarque and S. Sofia, Astrophys. J., 342, 1085, 1989.
"Turbulent Compressible Convection in a Deep Atmosphere, IV. Results of Three-Dimensional Computations", K. L. Chan and S. Sofia, Astrophys. J., 336, 403, 1989.
"Evolutionary Models of the Rotating Sun", M. Pinsonneault, S. Kawaler, S. Sofia and P. Demarque, Astrophys. J., 338, 424, 1989.
"Compressible Convection in Stars. I: 2D Models of Solar Granulation", P., Fox and S. Sofia Astrophys. J. (in press).
"Pre-Main Sequence Solar Evolution", S. Sofia, S. D. Kawaler, R. Larson and M. Pinsonneault, in The Solar Interior and Atmosphere, eds. A. N. Cox and W. Livingston (Univ. of Arizona Press: Tucson) 140,1991.
"Dynamo-Based Scheme for Forecasting the Magnitude of Solar Activity Cycles", A. Layden, P. Fox, J. Howard, A. Sarajedini, K. Schatten and S. Sofia, Solar Physics, 132, 1 (1991).
"Convective Flows Around Sunspot-Like Objects", P. Fox, S. Sofia, and K. Chan, Solar Phys. 135, 15, (1991).
"The Solar Disk Sextant: Monitoring the Size and Shape of the Sun", S. Sofia, E. Maier and L. Twigg, Adv. Space Res. 11, 123, 1991.
"Preliminary Results of a Balloon Flight of the Solar Disk Sextant", E. Maier, L. Twigg and S. Sofia, Astrophys. J. 389, 447, 1992.
"Climate Implications of the EUDOSSO Experiment", S. Sofia , Mem. Soc. Astron. Ital. 64, 207, 1993.
"A Formulation of Convection for Stellar Structure and Evolution Calculations without the MLT Approximations. I. Application to the Sun, T.J. Lydon, P. Fox and S. Sofia, Astrophys. J. 397, 701, 1992.
"Solar variability and climate-An editorial essay", S. Sofia and P. Fox, Climatic Change, 27, 249, 1994..
"Constraints on Solar Activity from Empirical and Global Modelling", S. Sofia and P. Fox, Publ. Astron. Soc. Pac. Conference Series, 27, 417, 1992.
"A Sub-Brid-Scale Resistivity for Magnetohydrodynamics", M.L. Theobald, P. Fox and S,. Sofia, Phys. Plasmas , 1,3016, 1994.
"Improved Solar Models Constructed with a Formulation of Convection for Stellar Structure and Evolution Calculations without the Mixing Length Approximations", T. J. Lydon, P. Fox, and S. Sofia, Astrophys. J. 403, 79, 1993.
"A Formulation of Convection for Stellar Structure and Evolution Calculations without the MLT Approximations: Application to Alpha Cantauri A and B", Astrophys. J., 413, 390, 1993.
"The Solar Diameter and Oblateness measured by the Solar Disk Sextant on the 1992 September 30 Balloon Flight", S. Sofia, W. Heaps and L. W. Twigg, Astrophys. J. , 427,1048, 1994.
"Variations of the Solar Diameter from Solar Eclipse Observations, 1715-1991", A. Fiala, D. Dunham, and S. Sofia, Solar Phys., 152, 97, 1994.
" "EUDOSSO: A Space Project for Solar Oscillations and Long Term Variability relevant to Climate Change", L. Paterno and S. Sofia, Solar Phys., 152, 303, 1994.
"Modeling of Shallow and Inefficient Convection in the Outer Layers of the Sun Using Realistic Physics", Y.-C. Kim, P. Fox, S. Sofia, and P. Demarque, Astrophys. J., 442, 422, 1995.
"A Method for Incorporating the Effects of Large Scale Magnetic Fields in the Study of Stellar Structure and Variability", T. J. Lydon, and S. Sofia, Astrophys. J. Supp.,101, 357, 1995.
"Joint Discussion 13: Recent Advances in Convection Theory and Modeling", P. Fox and S. Sofia, Comments Astrophys. 18, 11, 1995.
"A Measurement of the Shape of the Solar Disk: The Solar Quadrupole Moment, the Solar Octopole Moment, and the Advance of Perihelion of the Planet Mercury", T. J. Lydon and S. Sofia, Phys. Rev. Letters, 76, 177, 1996.
"Solar activity forecast for solar cycle 23", K. Schatten, D. Myers, and S. Sofia, Geophys. Res. Letters,23, 605, 1996.
"An Alternative Explanation for the Observed Variation of Solar p-Modes with the Solar Cycle", T. J. Lydon, D. Guenther, and S. Sofia, Astrophys. J. Letters, 456, 127L, 1996.
"Modeling Convection in he Outer Layers of the Sun: A Comparison with Predictions of the Mixing Length Approximation", Y. -C. Kim, P. Fox, P. Demarque, and S. Sofia, Astrophys. J., 461, 499, 1996.
"On the Origin of the Ultrafast Rotators in Young Star Clusters", S. Barnes, and S. Sofia, Astrophys. J., 462, 746, 1996.
"Turbulent Compressible Convection in a Deep Atmosphere. V. Higher Order Statistical Moments for a Deeper Case", K.L. Chan, and S. Sofia, Astrophys. J., 466, 372, 1996.
"The Rotation of the Sun’s Core", L. Paterno, s. Sofia, and M. Di Mauro, Astron & Astrophys. 314, 940, 1996.
"Theoretical Models of the Angular Momentum Evolution of Solar-Type Stars", A. Krishnamurthi, M. Pinsonneault, S. Barnes, and S. Sofia, Astrophys. J., 480, 303, 1997.
"Forecast Update for Activity Cycle 23 from a Dynamo-Based Method", S. Sofia, P. Fox and K. Schatten. Geophys Res Lett 25: (22) 4149-4152, 1998
"Rotation Periods of Late-Type Stars in the Young Open Cluster IC 2602", S.A. Barnes, S. Sofia, C.F. Prosser, et al. Astrophys. J. 516, 263, 1999.
"Discovery of the Optical Transient of GRB 990308", B.E. Schaefer, J.A. Snyder, J. Hernandez, et al. Astrophys. J. 524, L103, 1999.
"Disk Locking and the Presence of Slow Rotators among Solar-Type Stars in Young Star Clusters", S. Barnes, S. Sofia, and M. Pinsonneault. Astrophys. J. 548, 1071, 2001.
""Measurements of Solar Irradiance and Effective Temperature as a Probe of Solar Interior Magnetic Fields", L.H. Li, and S. Sofia, Astrophys. J. 549, 1204, 2001.
"Solar Variability and Climate", S. Sofia and L.H. Li, J. Geophys. Res-Space, 106, 12969, 2001.
"The QUEST RR Lyrae Survey: Confirmation of the Clump at 50 kpc and Other Overdensities in the Outer Halo", A.K Vivas, R. Zinn, S. Sofia, et al. Astrophys. J. Letters, 554, L33, 2001.
"Inclusion of Turbulence in Solar Modeling", L.H. Li, F.J. Robinson, S. Sofia, et al. Astrophys. J. 567, 1192, 2002.
"A Large-area CCD Camera for the Schmidt Telescope at the Venezuelan National Astronomical Observatory", C, Baltay, J.A. Snyder, P. Andrews, S. Sofia, et al. PASP 114, 780, 2002.
"A Discussion of Recent Evidence for Solar Irradiance Variability and Climate", J. Pap, C. Frohlich, J. Kuhn, S. Sofia, et al. ADV SPACE RES 29, 1417, 2002.
"Three-dimensional Convection Simulations of the Outer Layers of the Sun Using Realistic Physics", F.J. Robinson, P. Demarque, L.H. Li, S. Sofia, et al. MNRAS 340, 923, 2003.
"Global Parameter and Helioseismic Tests of Solar Variability Models", L.H. Li, S. Basu, S. Sofia, et al. Astrophys. J. 591, 1267, 2003
"The QUEST RR Lyrae Survey.I. The First Catalog",Vivas, A.K., Zinn, R, Sofia, S, et al. Astronom. J. 127, 1158, 2004
"Three-dimensional simulations of the upper radiation-convection transition layer in subgiant stars",Robinson,F.J, Demarque,P.,Sofia,S. et al. Mont. Not. Roya Astr. Soc 347, 1208, 2004
"New Quasars Detected via Variability in the QUEST Survey;,Rengstorf, A.W., Mufson, S.L., Sofia,S., et al. Astrophys. J. 606, 741, 2004
"Variations of the Total Solar Irradiance Produced by Structural Changes of the Solar Interior", S. Sofia EOS Trans. 85, 217, 2004
"Pre-Main Sequence Evolution of Rotating Stars in Relation with Observations of Young Clusters", S. Sofia and S.A. Barnes IAU S. Trans. 215, 419, 2004
"A 2-D Stellar Evolution Code including Arbitrary Magnetic Fields",Li,L.,Sofia, S, and Demarque,P. ESA SP. 559, 536, 2004
"QUEST 1 Variability Survey.II.Variability Determination Criteria and 200k Light Curve Catalog;,Rengstorf, A.W., Mufson, S.L., Sofia,S., et al. Astrophys. J. 617, 184, 2004
"Past, Present and Future Measurements of the Solar Diameter;,Thuillier, G., Sofia, S., and Heberreiter, M. Adv. Space Res. 35, 329, 2005
"Mechanisms for global solar variability;,Sofia, S., and Li,LH Mem. Soc.Astron.Ital. 76, 768, 2005
"A Flux Tube Solar Dynamo Based on the Competing Role of Buoyancy and Downflows",Li,L.,Sofia, S, and Belvedere,G. Astrophys.J. 629, 1164, 2005
"The Nonhomologous Nature of Solar Diameter Variations",Sofia, S, Li. L. Basu, S., et al. Astrophys.J.Lett. 632, 147, 2005
"Two-dimensional Stellar Evolution Code Including Arbitrary Magnetic Fields. Mathematical Techniques and Test Cases", Li. L.Sofia, S, Basu, S., et al. Astrophys.J.Supp. 164, 215, 2006
P>"High-Precision Measurements of the Solar Diamater and Oblateness by the Solar Disk Sextant (SDS) Experiment", Egidi,A, Caccin,B,Sofia, S, et al. Solar Phys. 235, 407, 2006 P>"Processing Methos Effects on Solar Diameter Measurements: Use of data gathered by the Solar Disk Sextant ", Djafer, D, Thuillier, G, Sofia,S, et al. Solar Phys. 247 255, 2008"QUEST 1 Variability Survey III. Light Curve Catalog Update" ;,Rengstorf, A.W., Mufson, S.L., Sofia,S., et al. Astrophys. J.Supp. 181, 129, 2009
"Two-dimensional Stellar Evolution Code Including Arbitrary Magnetic Fields.II. Precision Improvement and Inclusion of Turbulence and Rotation", Li. L.Sofia, S, Basu, S., et al. Astrophys.J.Supp. 182, 584, 2009
"2D solar modeling", Ventura, P., Penza, V., Sofia, S. et al. Astrophys. Space. Sci. (in press) 2009