Pelt J., Korpi M.J., Tuominen I., Solar active regions: a nonparametric statistical analysis, Astronomy and Astrophysics, submitted, pp. 1-8,ADS, 2009.
Pelt J., High frequency limits in periodicity search from irregularly spaced data,Baltic Astronomy,18,pp. 83-92, ADS, 2009.
Tuominen I.,Pelt J., Brooke J.M., Korpi M.J.,Does the Sun have a face?, Astronomische Nachrichten, 328, pp. 1020-1022, ADS,2007.
Hirv A., Eenmäe T.,Liivamägi L.J., Pelt J.,Estimation of time delays from two blended light curves of gravitational lenses, Baltic Astronomy,16,pp.241-250, ADS, 2007.
Hirv A., Eenmäe T., Liimets Tiina, Liivamägi L.J., Pelt J.,Estimation of time delays from unresolved photometry, Astronomy and Astrophysics, 464 , pp. 471-478,ADS, 2007.
Pelt J., Brooke J.M., Korpi M.J., Tuominen I., Kinematic frames and ``active longitudes'': does the Sun have a face?, Astronomy and Astrophysics, 460 , pp. 875-885, ADS, 2006.
Hirv A., Annuk K., Eenmäe T., Liimets T., Pelt J, Puss A., Tempel M.,Orbital elements and mass-loss rate of V444 Cygni, Baltic Astronomy, 16 , pp. 405-412,ADS, 2006.
Tõnsuaadu K., Pelt J., Borissova M., Monitoring of the Evolved Gases in Apatite - Ammonium Sulfate Thermal Reactions, Journal of Thermal Analysis and Calorimetry, 80, pp. 655-658, 2005.
Pelt J., Tuominen I., Brooke J.,Century-scale persistence in longitude distribution in the Sun and in silico, Astronomy and Astrophysics, 429, pp. 1093-1096, ADS, 2005.
Tõnsuaadu K., Borissova M., Bender V., Pelt J., Thermal Reactions in Synthetic Apatite - Ammonium Sulfate Mixture, Phosphorus, Sulfur, and Silicon and the Related Elements, 179, pp. 2395-2407, 2004.
Kaljuvee T., Pelt J., Radin M., TG-FTIR study of gaseous compounds evolved at thermooxidation of oil shale, Journal of Thermal Analysis and Calorimetry, 78, pp. 399-414, 2004.
Berdyugina S.V., Pelt J., Tuominen I., Magentic activity in the young solar analog LQ Hydrae - I. Active longitude cycles, Astronomy and Astrophysics,394, pp. 505-515, ADS, 2002.
Brooke J., Pelt J.,Pulkkinen P., Tuominen I., The importance of spatial information in sunspot records, in Highlights of Astronomy, Vol. 12, Ed. by H. Rickman, Astronomical Society of Pacific, 2002, pp. 334-227
Pelt J., Refsdal S., Stabell R., Bias and consistency in time delay estimation methods: case of double quasar HE 1104-1805, Astronomy and Astrophysics, 389, pp. L57-L60, ADS, 2002.
Hjorth J., Burud I., Jaunsen A.O., Schechter P.L., Kneib J.-P., Andersen M.I., Korhonen H., Clasen J.W., Kaas A.A., Ostensen R., Pelt J., and P. Pijpers, The time delay of the quasar RX J0911.4+0551, Astrophysical Journal Letters, 572, pp. L11-L14, ADS, 2002.
Petrov P.P., Pelt J., Tuominen I., Periodic variations in the colours of the classical T Tauri star RW Aur A, Astronomy and Astrophysics, 375, pp. 977-981,ADS, 2001.
Burud I., Hjorth J., Jaunsen A.O., Andersen M.I., Korhonen H., Clasen J.W., Pelt J., Pijpers P., Magain P., Ostensen R., An optical time delay estimate for the double gravitational lens system B1600+434, Astrophysical Journal, 544, pp. 117-122, ADS, 2000.
Pelt J., Brooke J., Pulkkinen P.J., Tuominen I., A new interpretation of the Solar magnetic cycle, Astronomy and Astrophysics, 362, pp. 1143-1150, ADS, 2000.
You J., Pelt J., Tuominen I., Period analysis for simultaneous multichannel photometric observations, Astronomy and Astrophysics Supplement, 146 , pp. 397-406,ADS, 2000.
Refsdal S., Stabell R., Pelt J., Schild R., Constraints on source and lens parameters from microlensing variability in QSO 0957+561 A,B, Astronomy and Astrophysics, 360, pp. 10-14, ADS, 2000.
Jetsu L., Pelt J., Spurious periods in the terrestial impact crater record, Astronomy and Astrophysics, 353, pp. 409-418, ADS, 2000.
Jetsu L., Pelt J., Three stage period analysis and complementary methods, Astronomy and Astrophysics Supplement, 139, pp. 629-643,ADS, 1999.
Jetsu L., Pelt J., Tuominen I., Time series analysis of V 1794 Cygni long-term photometry, Astronomy and Astrophysics, 351, pp. 212-224, ADS, 1999.
Pulkkinen P. J., Brooke J., Pelt J., Tuominen I., North-South asymmetry of sunspot latitudes, Astronomy and Astrophysics, 337, pp. L43-L46, ADS, 1999.
Pelt J., Hjorth J., Refsdal S., Schild R., Stabell R., Estimation of multiple time delays in complex gravitational lens systems, in multiple systems, Astronomy and Astrophysics, 337, pp. 681-684,ADS, 1998.
Pelt J., Schild R., Refsdal S., Stabell R., Microlensing on different timescales in the lightcurves of QSO 0957+561 A,B, Astronomy and Astrophysics, 336, pp. 829-839, ADS, 1998.
Brooke J.M., Pelt J., Tavakol R.K., Tworkowski A.S., Grand minima and equatorial symmetry breaking in axisymmetric dynamo models, Astronomy and Astrophysics, 332, 1998, pp.339-352, ADS, 1998.
Duemmler R., Pelt J., Korhonen H., Iliev I., Is Beta Crateris a Sirius-like system?, 1997, Astronomy and Astrophysics, 328, L37-L39, ADS, 1997.
Jetsu L., Pohjolainen S., Pelt J., Tuominen I., Is the longitudinal distribution of solar flares nonuniform?, Astronomy and Astrophysics, 318, pp.293-307, ADS, 1997.
Jetsu L., Pelt J., Searching for periodicity in weighted time point series, Astronomy and Astrophysics Supplement, 118, pp.587-594, ADS, 1996.
Pelt J., Kayser R., Refsdal S., Schramm T., The light curve and time delay of QSO 0957+561, Astronomy and Astrophysics, 305, pp.97-106, ADS, 1996 .
Pelt J., Hoff W., Kayser R., Refsdal S., Schramm T., Time delay controversy on QSO 0957+561 A,B not yet decided, Astronomy and Astrophysics, 286, pp.775-785, ADS, 1994 .
Jetsu L.,Pelt J.,Tuominen I., Spot and flare activity of FK Comae Berenices: long term photometry, Astronomy and Astrophysics, 278, pp.449-462, ADS, 1993.
Schramm K.-J., Borgeest U., Camenzind M., Wagner S.J., Bade N., Dreissigacker O., Heidt J., Hoff W., Kayser R., K\"uhl D., Linde J. v., Linnert M.D., Pelt J., Schramm T., Vigotti M., Again an active period in the optical light curve of the blazar 3C345: a ''lighthouse effect'' due to helical motion in the jet? Astronomy and Astrophysics 278, pp.391-405, ADS, 1993 .
Malyuto V.,Pelt J.,Shvelidze T., The spectrophotometric data reduction software package for automated quantitative spectral classification of stars, Baltic Astronomy,1, pp.526-544, ADS, 1992 .
Korpi M. J., Pelt J., Brooke J. M., Tuominen, I., On the nonaxisymmetricity of the sunspot distribution: kinematic frame constructions and their implications, Solar and Stellar Activity Cycles, 26th meeting of the IAU, Joint Discussion 8, 17-18 August 2006, Prague, Czech Republic, JD08, #57 (Poster), ADS, 2006.
Pelt J.,Estimation of time delays from unresolved photometry, 25 Years After the Discovery: Some Current Topics on Lensed QSOs e-Edited by Luis J. Goicoechea (UC, Spain). On-line at http://grupos.unican.es/glendama/e-Proc.htm, p.5, 2005
Tõnsuaadu K., Pelt J., Borissova M., Monitoring of the Evolved Gases by FTIR Spectroscopy in Apatite - Ammonium Sulfate Thermal Reactions, 13th International Congress on Thermal Analysis and Calorimetry, Book of Abstracts, Chia Laguna, September 12-19, p. 357, 2004.
Tõnnisson T., Pelt J., Vince B., Portable optical spectrum analyzer for testing optical DWDM telecommunication systems, Proceedings of the 8th Biennial Baltic Electronics Conference, Tallinn Technical University, October 6-9, 2002, pp.341-342.
Pelt J., Dispersion spectra - from time delays to frequency analysis, in Actes des XXXIVes Journees de Statistique, Bruxelles et Louvain-la-Neuve, 13-17 mai 2002, pp.121-122.
Refsdal S., Stabell R., Pelt J., Schild R., Constraints on source and lens parameters from microlensing variability in QSO 0957+561 A,B, Gravitational Lensing: Recent Progress and Future Goals, ASP Conference Proceedings Series, vol. CS-237 , pp. 197-200, ,ADS, 2001.
Brooke J.M, Pelt J., Pulkkinen P., Tuominen I., Symmetries of the solar dynamo: comparing theory with observation, Dynamo and Dynamics, a Mathematical challenge, P. Chossat et al. (eds.), Kluwer Academic Publishers, 2001, pp. 331-338.
Brooke J.M, Pelt J., Pulkkinen P., Tuominen I., The importance of spatial information in sunspot records, Applied Historical Astronomy, 24th meeting of the IAU, Joint Discussion 6, August 2000, Manchester, England
Pelt J., Kayser R., Schild R., Thomson D.J., The time delay between QSO 0957+561 A,B, Examing the Big Bang and Diffuse Background Radiations, IAU Symposium 168, Hague August 23-27, pp.539-540, ADS, 1996 .
Jetsu L., Pohjolainen S., Pelt J., Tuominen I., Longitudinal distribution
of major solar flares, in Ninth Cambridge Workshop on Cool Stars, Stellar
Systems and the Sun, eds. R. Pallavicini, A. Dupree, 1996, ASP Conf. Series,
Vol. 109, pp.135-136, ADS, 1996.
Schramm T., Pelt J., The sampling problem, Proceedings of the 1st MEGAPHOT Workshop, held in Hamburg, 1993 March 30/31, pp. 48-57.
Pelt J., Fast computation of trigonometric sums with applications to frequency analysis of astronomical data, in Astronomical Time Series, Proceedings of the the Florence and Georg Wise Observatory 25th Anniversary Symposium, held in Tel-Aviv, Isreal, 30 December 1996- 1 January 1997, Eds. D. Maoz, A. Sternberg, E.M. Leibowitz, 1997, Kluwer Academic Publishers, Dordrecht. pp.179-182.
Pelt J., Nonparametric methods for shift and periodicity detection in irregularly measured data, in Time Series Analysis in Astronomy and Meteorology, eds. T. Subba Rao and M.B. Priestley, 1997, Chapman & Hall, pp.249-263.
Pelt J., Multistage search for hidden patterns in irregularly observed time series, 5th ESO /ST-ECF Data Analysis Workshop, Garching, 26-27 April 1993 pp. 179-184.
Pelt J., Nonparametric methods for shift and periodicity detection in irregularly measured data, International Conference on Aplications of Time Series Analysis in Astronomy and Meteorology, Universit`a di Padova, Italy, September 6-10, 1993, pp.149-157.
Jetsu L., Tuominen I., Pelt J., Time series analysis of FK Comae and LQ Hydrae, ibid, pp. 199-202.
Pelt J., Irregularly spaced data
analysis - User Manual, Helsinki
University Press, Helsinki, 1992, pp.1-267.
Pavlenko E.,Pelt J., Synchronization of the components of the magnetic novae V1500 Cygni components, Astrophysics 34, 1991 pp.169-174.
Malyuto V., Pelt J., Shvelidze T,, An automatic spectrophotometric data reduction system for quantitative spectral classification of stars, Data analysis in astronomy IV. Eds. V. Di Ges`u et al., Plenum press -New York and London, 1991 pp .65-71.
Jetsu L.,Pelt J.,Tuominen I.,Nations H.L, The spot activity of FK Comae Berenices,in The Sun and cool stars: activity, magnetism, dynamos, Proc. of Coll. No.130 of the IAU, Helsinki, Finland, 1990, pp.381-383.
Pelt J., A method of continuum estimation in spectral classification experiments, Bull. Inf. CDS, No.38, pp.95-107, ADS, 1990 .
Malyuto V., Pelt J.,Methods for automatic spectral measurements for spectral classification of the F,G,K stars, Bull. Astrophys. Obs. Abastumani., 1989, No.66, pp.233-244 ( in Russian ).
Pavlenko E., Pelt J., Slow variability of V1500 Cyg., Inf.Bull. Variable Stars No. 3252, pp.1-3, ADS, 1988
Hanni U., Pelt J., Radial velocity variations in the spectrum of 68 Cygni, Tartu Astrofuus. Obs. Teated, Nr. 98, 1988, pp. 200-202
Hanni U., Pelt J., Radial-velocity variability in the O star 68 Cygni, Sov. Astron. Lett., Vol. 12, No. 4, 1987, pp. 228-230
Malyuto V., Pelt J., Chargeishvili K., Thechnique and accuracy of automatic measuerements of hydrogen line intensities from objective prism spectra, Tartu Astrofuus. Obs. Teated, Nr. 83, 1986, pp.19-28
Hanni U., Pelt J., Radial velocity variations in the spectrum of the O star 68 Cygni, Pis'ma Astron. Zh, Tom 12, no. 7, pp. 541-545, ADS, 1986
Pelt J., Phase dispersion minimization methods for estimation of periods from unequally spaced sequences of data, ESA Spec. Publ., ESA SP 201, 1983, pp. 37-42
Malyuto V., Pelt J., Further experiments in automatic quantitative spectral classification at Tartu, Bull. Inf. Cent. Donnees Stellaires, No. 23, pp.29-40, ADS, 1982
Malyuto V., Pelt J., Automatic quantitative spectral classification of stars. I. Observational data reduction, Acad. Sci. Estonian SSR, Prepr., No. A-1, 1981, pp.1-15
Pelt J., Frequency analysis of astronomical time sequences, Valgus Publ., Tallinn, 1980, pp. 1-135
Pelt J., Methods for search of variable star periods, Tartu Astron. Obs. Teated, No. 52, 1975, pp.1-24
Pelt J., Astronomical Time Series Analysis, Oulu University, 23 October - 18 November, 2003, pp. 1-163
Pelt J.,Irregularly spaced data analysis in astronomy and related sciences. Lecture Notes and Illustrations, Tartu Observatory, University of Helsinki, Tartu University, 2008, pp. 1-873
J. Pelt, Mis toimub Päikese sees? Kuidas me seda teame, Horisont, 1, 2009.
J.Pelt, Gravitatsioonilääts teeb nähtamatu nähtavaks, Horisont, 1, 2008.
J. Pelt, Tume aine – vaade tagasi, Horisont, 2, 2007.
J. Pelt,Kas Päikesel on nägu? Tähetorni Kalender, LXXXII, 79-85, 2006.
J. Pelt, Kuidas ma arvutasin maailma vanust, Tähetorni Kalender, LXXXI, 64-70, 2005.
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