{"id":1808,"date":"2018-01-18T13:43:19","date_gmt":"2018-01-18T13:43:19","guid":{"rendered":"http:\/\/jaan.planet.ee\/blog\/?p=1808"},"modified":"2026-03-28T07:34:21","modified_gmt":"2026-03-28T07:34:21","slug":"publications-in-main-journals","status":"publish","type":"post","link":"https:\/\/jaan.planet.ee\/blog\/2018\/01\/18\/publications-in-main-journals\/","title":{"rendered":"Publications in main journals"},"content":{"rendered":"

Olspert N., Lehtinen J.,\u00a0K\u00e4pyl\u00e4 M.J., Pelt J.<\/b>, Grigorievskiy A., Estimating activity cycles with probabilistic methods II. The Mount Wilson Ca H&K data <\/a>, Astronomy & Astrophysics, 619<\/b>, A6, pp. 1\u221220, 2018<\/p>\n

Olspert N., Pelt J.<\/b>, K\u00e4pyl\u00e4 M.J., Lehtinen J., Estimating activity cycles with probabilistic methods I. Bayesian generalised Lomb-Scargle periodogram with trend <\/a>, Astronomy & Astrophysics, 615<\/b>, A111, pp. 1\u221212, 2018<\/p>\n

Pelt,J.<\/b>,K\u00e4pyl\u00e4 M.J.,Olspert N., Method of frequency dependent correlations: investigating the variability of total solar irradiance<\/a>, Astronomy and Astrophysics,600<\/b>, A9, pp.1-19, 2017.<\/p>\n

Hirv, A., Pelt, J.<\/b>, Saar, E., Tago, E., Tamm, A., Tempel, E., Einasto, M.,
\nAlignment of galaxies relative to their local environment in SDSS-DR8 <\/a>,
\nAstronomy and Astrophysics,599<\/b>, A31, pp.1-15, 2017.<\/p>\n

Peets P., Leito I., Pelt, J. <\/b>, Vahur, S., Identification and classification of textile fibres using ATR-FT-IR spectroscopy with chemometric methods<\/a>.
\nSpectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 173, pp. 175-181, 2017.<\/p>\n

K\u00e4pyl\u00e4 M.J., K\u00e4pyl\u00e4 P.J., Olspert N., Brandenburg A., Warnecke J., Karak B.B., Pelt J.<\/b>,
\nMultiple dynamo modes as a mechanism for long-term solar activity variations<\/a>, Astronomy and Astrophysics, 589<\/b>,A56, pp. 1-24, 2016.<\/p>\n

Kilpua E.K.J.,Olspert N., Grigorievskiy A., K\u00e4pyla M.J., Tanskanen E., Miyahara H., Kataoka R., Pelt J.<\/b>, Liu Y.D., Statistical study of strong and extreme geomagnetic disturbances and solar cycle characteristics<\/a>,
\nAstrophysical Journal,806<\/b>,272, pp. 1-7, 2015.<\/p>\n

Olspert N.,K\u00e4pyl\u00e4 M.J., Pelt,J.<\/b>, Cole E.M, Hackman T., Lehtinen J., Henry,G.W.,Multiperiodicity, modulations and flip-flops in variable star light curves.III. Carrier fit analysis of LQ Hya photometry for 1982-2014<\/a>, Astronomy and Astrophysics, 577<\/b>,A120, pp.1-13, 2015.<\/p>\n

Karak, B.B., K\u00e4pyl\u00e4 P.J., K\u00e4pyl\u00e4 M.J., Brandenburg A., Olspert N., Pelt, J.<\/b>,
\nMagnetically controlled stellar differential rotation near the transition from solar to anti-solar profiles<\/a>,
\nAstronomy and Astrophysics,576<\/b>, A26, pp.1-17, 2015.<\/p>\n

Tempel E., Kipper R., Saar E., Bussov M., Hektor A., Pelt, J.<\/b>,
\nGalaxy filaments as pearl necklaces<\/a>, Astronomy and Astrophysics, 572<\/b>,A8,
\n ADS <\/a>, pp. 1-8, 2014.<\/p>\n

Lindborg M., Mantere M.J., Olspert N., Pelt J.<\/b>, Hackman T., Henry G.W., Jetsu L., Strassmeier K.G., Multiperiodicity, modulations and flip-flops in variable star light curves II. Analysis of II Pegasus photometry during 1979-2010,
\nAstronomy and Astrophysics ,559<\/b>, A97, 1-10, ADS <\/a>, 2013.<\/p>\n

Hackman T., Pelt J.<\/b>, Mantere M.J., Jetsu L., Korhonen H., Granzer, T., Kajatkari, P., Lehtinen, J., Strassmeier K.G, Flip-flops of FK Comae Berenices, Astronomy and Astrophysics 553<\/b>,A40, pp. 1-13,
\nADS<\/a>, 2013.<\/p>\n

Pelt J.<\/b>, Olspert N., Mantere M.J., Tuominen I., Multiperiodicity, modulations and flip-flops in variable star light curves I. Carrier fit method, Astronomy and Astrophysics, 535<\/b>, A23, pp. 1-12,
\nADS<\/a>, 2011.<\/p>\n

Hirv A., Olspert N.,Pelt J.<\/b>, Towards the automatic estimation of gravitational lenses’ time delays, Baltic Astronomy, 20<\/b>, pp. 125-144, ADS<\/a>, 2011<\/p>\n

Pelt J.<\/b>, Korpi M.J., Tuominen I., Solar active regions: a nonparametric statistical analysis, Astronomy and Astrophysics, 513<\/b>, A48, pp. 1-7,
\nADS<\/a>, 2010<\/p>\n

Pelt J.<\/b>, High frequency limits in periodicity search from irregularly spaced data,Baltic Astronomy, 18<\/b>,pp. 83-92,
\nADS<\/a>, 2009.<\/p>\n

Tuominen I.,Pelt J.<\/b>, Brooke J.M., Korpi M.J.,Does the Sun have a face?,
\nAstronomische Nachrichten, 328<\/b>, pp. 1020-1022, ADS<\/a>,2007.<\/p>\n

Hirv A., Eenm\u00e4e T.,Liivam\u00e4gi L.J., Pelt J.<\/b>,Estimation of time delays from two blended light curves of gravitational lenses,
\nBaltic Astronomy,16<\/b>,pp.241-250, ADS<\/a>, 2007.<\/p>\n

Hirv A., Eenm\u00e4e T., Liimets Tiina, Liivam\u00e4gi L.J., Pelt J.<\/b>,Estimation of time delays from unresolved photometry,
\nAstronomy and Astrophysics, 464 <\/b>, pp. 471-478,ADS<\/a>, 2007.<\/p>\n

Pelt J.<\/b>, Brooke J.M., Korpi M.J., Tuominen I., Kinematic frames and “active longitudes”: does the Sun have a face?,
\nAstronomy and Astrophysics, 460 <\/b>, pp. 875-885, ADS<\/a>, 2006.<\/p>\n

Hirv A., Annuk K., Eenm\u00e4e T., Liimets T., Pelt J<\/b>, Puss A., Tempel M.,Orbital elements and mass-loss rate of V444 Cygni,
\nBaltic Astronomy, 16 <\/b>, pp. 405-412,ADS<\/a>, 2006.<\/p>\n

T\u00f5nsuaadu K., Pelt J.<\/b>, Borissova M., Monitoring of the Evolved Gases in Apatite – Ammonium
\nSulfate Thermal Reactions, Journal of Thermal Analysis and Calorimetry, 80<\/b>, pp. 655-658, 2005.<\/p>\n

Pelt J.<\/b>, Tuominen I., Brooke J.,Century-scale persistence in longitude distribution in the Sun and in silico,
\nAstronomy and Astrophysics, 429<\/b>, pp. 1093-1096, ADS<\/a>, 2005.<\/p>\n

T\u00f5nsuaadu K., Borissova M., Bender V., Pelt J.<\/b>, Thermal Reactions in Synthetic Apatite – Ammonium
\nSulfate Mixture, Phosphorus, Sulfur, and Silicon and the Related Elements, 179<\/b>, pp. 2395-2407, 2004.<\/p>\n

Kaljuvee T., Pelt J.<\/b>, Radin M., TG-FTIR study of gaseous compounds evolved at thermooxidation of oil shale, Journal of Thermal Analysis and Calorimetry, 78<\/b>, pp. 399-414, 2004.<\/p>\n

Berdyugina S.V., Pelt J.<\/b>, Tuominen I., Magentic activity in the
\nyoung solar analog LQ Hydrae – I. Active longitude cycles,
\nAstronomy and Astrophysics,394<\/b>, pp. 505-515, ADS<\/a>, 2002.<\/p>\n

Brooke J., Pelt J.<\/b>,Pulkkinen P., Tuominen I., The importance of
\nspatial information in sunspot records, in Highlights of Astronomy,
\nVol. 12, Ed. by H. Rickman, Astronomical Society of Pacific, 2002, pp.
\n334-227<\/p>\n

Pelt J.<\/b>, Refsdal S., Stabell R.,
\nBias and consistency in time delay estimation methods:
\ncase of double quasar HE 1104-1805, Astronomy and Astrophysics,
\n389<\/b>, pp. L57-L60, ADS<\/a>, 2002.<\/p>\n

Hjorth J., Burud I., Jaunsen A.O., Schechter P.L.,
\nKneib J.-P., Andersen M.I., Korhonen H., Clasen J.W.,
\nKaas A.A., Ostensen R., Pelt J., <\/b> and P. Pijpers,
\nThe time delay of the quasar RX J0911.4+0551, Astrophysical Journal
\nLetters, 572<\/b>, pp. L11-L14, ADS<\/a>, 2002.<\/p>\n

Petrov P.P., Pelt J.<\/b>, Tuominen I.,
\nPeriodic variations in the colours of the classical T Tauri star RW Aur A,
\nAstronomy and Astrophysics, 375<\/b>, pp. 977-981,ADS<\/a>, 2001.<\/p>\n

Burud I., Hjorth J., Jaunsen A.O., Andersen M.I.,
\nKorhonen H., Clasen J.W., Pelt J.<\/b>, Pijpers P., Magain P.,
\nOstensen R., An optical time delay estimate for the
\ndouble gravitational lens system B1600+434, Astrophysical Journal,
\n544<\/b>, pp. 117-122, ADS<\/a>, 2000.<\/p>\n

Pelt J.<\/b>, Brooke J., Pulkkinen P.J., Tuominen I.,
\nA new interpretation of the Solar magnetic cycle, Astronomy and
\nAstrophysics, 362<\/b>, pp. 1143-1150, ADS<\/a>, 2000.<\/p>\n

You J., Pelt J.<\/b>, Tuominen I., Period analysis for
\nsimultaneous multichannel photometric observations, Astronomy and
\nAstrophysics
\nSupplement, 146 <\/b>, pp. 397-406,ADS<\/a>, 2000.<\/p>\n

Refsdal S., Stabell R., Pelt J.<\/b>, Schild R.,
\nConstraints on source and lens parameters from microlensing
\nvariability in QSO 0957+561 A,B, Astronomy and Astrophysics,
\n360<\/b>, pp. 10-14, ADS<\/a>, 2000.<\/p>\n

Jetsu L., Pelt J.<\/b>, Spurious periods in the terrestial impact
\ncrater record, Astronomy and Astrophysics, 353<\/b>, pp. 409-418, ADS<\/a>, 2000.<\/p>\n

Jetsu L., Pelt J.<\/b>, Three stage period analysis and complementary
\nmethods, Astronomy and Astrophysics Supplement, 139<\/b>, pp. 629-643,ADS<\/a>,
\n1999.<\/p>\n

Jetsu L., Pelt J.<\/b>, Tuominen I., Time series analysis of V 1794
\nCygni long-term photometry, Astronomy and Astrophysics, 351<\/b>,
\npp. 212-224, ADS<\/a>, 1999.<\/p>\n

Pulkkinen P. J., Brooke J., Pelt J.<\/b>, Tuominen I., North-South
\nasymmetry of sunspot latitudes, Astronomy and Astrophysics, 337<\/b>,
\npp. L43-L46, ADS<\/a>, 1999.<\/p>\n

Pelt J.<\/b>, Hjorth J., Refsdal S., Schild R., Stabell R., Estimation of
\nmultiple time delays in complex gravitational lens systems,
\nin multiple systems, Astronomy and Astrophysics, 337<\/b>, pp. 681-684,ADS<\/a>,
\n1998.<\/p>\n

Pelt J.<\/b>, Schild R., Refsdal S., Stabell R., Microlensing on different
\ntimescales in the lightcurves of QSO 0957+561 A,B, Astronomy and
\nAstrophysics, 336<\/b>, pp. 829-839, ADS<\/a>, 1998.<\/p>\n

Brooke J.M., Pelt J.<\/b>, Tavakol R.K., Tworkowski A.S., Grand minima
\nand equatorial symmetry breaking in axisymmetric dynamo models,
\nAstronomy and Astrophysics, 332<\/b>, 1998, pp.339-352, ADS<\/a>, 1998.<\/p>\n

Duemmler R., Pelt J.<\/b>, Korhonen H., Iliev I., Is Beta Crateris a Sirius-like system?, 1997, Astronomy and Astrophysics, 328<\/b>, L37-L39,
\nADS<\/a>, 1997.<\/p>\n

Jetsu L., Pohjolainen S., Pelt J.<\/b>, Tuominen I., Is the longitudinal
\ndistribution of solar flares nonuniform?,
\nAstronomy and Astrophysics, 318<\/b>, pp.293-307, ADS<\/a>, 1997.<\/p>\n

Jetsu L., Pelt J.<\/b>, Searching for periodicity in weighted time point series,
\nAstronomy and Astrophysics Supplement, 118<\/b>, pp.587-594, ADS<\/a>, 1996.<\/p>\n

Pelt J.<\/b>, Kayser R., Refsdal S., Schramm T., The light curve and time
\ndelay of QSO 0957+561, Astronomy and Astrophysics, 305<\/b>, pp.97-106, ADS<\/a>, 1996 .<\/p>\n

Pelt J.<\/b>, Hoff W., Kayser R., Refsdal S., Schramm T., Time delay controversy on QSO 0957+561 A,B not yet decided, Astronomy and Astrophysics, 286<\/b>, pp.775-785, ADS<\/a>, 1994 .<\/p>\n

Jetsu L.,Pelt J.<\/b>,Tuominen I., Spot and flare activity of FK
\nComae Berenices: long term photometry,
\nAstronomy and Astrophysics, 278<\/b>, pp.449-462, ADS<\/a>, 1993.<\/p>\n

Schramm K.-J., Borgeest U., Camenzind M., Wagner S.J., Bade N.,
\nDreissigacker O., Heidt J., Hoff W., Kayser R., K\\”uhl D.,
\nLinde J. v., Linnert M.D., Pelt J.<\/b>, Schramm T., Vigotti M., Again
\nan active period in the optical light curve of the blazar 3C345:
\na ”lighthouse effect” due to helical motion in the jet?
\nAstronomy and Astrophysics 278<\/b>, pp.391-405, ADS<\/a>, 1993 .<\/p>\n

Malyuto V.,Pelt J.<\/b>,Shvelidze T., The spectrophotometric data
\nreduction software package for automated quantitative spectral classification of stars, Baltic Astronomy,1<\/b>, pp.526-544, ADS<\/a>, 1992 .<\/p>\n","protected":false},"excerpt":{"rendered":"

Olspert N., Lehtinen J.,\u00a0K\u00e4pyl\u00e4 M.J., Pelt J., Grigorievskiy A., Estimating activity cycles with probabilistic methods II. The Mount Wilson Ca H&K data , Astronomy & Astrophysics, 619, A6, pp. 1\u221220, 2018 Olspert N., Pelt J., K\u00e4pyl\u00e4 M.J., Lehtinen J., Estimating activity cycles with probabilistic methods I. Bayesian generalised Lomb-Scargle periodogram with trend , Astronomy & … Continue reading Publications in main journals<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1808","post","type-post","status-publish","format-standard","hentry","category-research"],"_links":{"self":[{"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/posts\/1808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/comments?post=1808"}],"version-history":[{"count":5,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/posts\/1808\/revisions"}],"predecessor-version":[{"id":3310,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/posts\/1808\/revisions\/3310"}],"wp:attachment":[{"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/media?parent=1808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/categories?post=1808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jaan.planet.ee\/blog\/wp-json\/wp\/v2\/tags?post=1808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}