Pētniecības nozare

Astronomijas nozares astrofizikas un fundamentālās astronomijas apakšnozare

Publikācijas:

Zinātniskās publikācijas indeksētas Scopus un Web of Science

2020

Kalvans, Juris; Kalnin, Juris Roberts. Evaporative cooling of icy interstellar grains I. Basic characterization. ASTRONOMY & ASTROPHYSICS, 2020,  Volume: 633, Artivle Number A97  Web of Science

2019

Kalvans, J., Kalnin, J.R. Chemical significance of different temperature regimes for cosmic-ray-induced heating of whole interstellar grains. Monthly Notices of the Royal Astronomical Society; 486(2), pp. 2050-2062  2019  Scopus, Web of Science, EBSCO

2018

Kalvāns, J. “The efficiency of photodissociation for molecules in interstellar ices”, 2018, Monthly Notices of the Royal Astronomical Society, Vol 478, issue 2; p2753–2765; doi:10.1093/mnras/sty1172 ; ISSN: 00358711   Scopus, Web of Science

Kalvāns, J. Temperature Spectra of Interstellar Dust Grains Heated by Cosmic Rays. II. Dark Cloud Cores.  ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Volume: 239   Issue: 1     Article Number: 6   Published: NOV 2018, Impact Factor = 8.561  Scopus, Web of Science

2017

Kalvans, J. Shmeld, I. Kalnin, J.R. Hocuk, S. Chemical fractionation of deuterium in the protosolar nebula. Monthly Notices of the Royal Astronomical Society, Volume 467, Issue 2, 2017, Pages 1763-1775, doi: 10.1093/mnras/stx174     Scopus, Web of Science, EBSCO

Kalvāns, J. “Modeling the chemistry in the icy mantles of interstellar grains”, Proceedings of the International Astronomical Union, Volume 13, Issue S332, 2017, Pages 374-380; doi:10.1017/S1743921317006706; ISSN: 17439213; Publisher: Cambridge University Press; Document Type: Conference Paper   Scopus

2015

Kalvāns, J., “Cosmic-ray-induced dissociation and reactions in warm interstellar ices”, 2015, Astronomy & Astrophysics, vol. 573, A38, 13 pp. (Scopus, Web of Science); Impact Factor (2014) = 4.378

Kalvāns, J., “The effect of selective desorption mechanisms during interstellar ice formation”, 2015, The Astrophysical Journal, vol. 803, 52, 21 pp. (Scopus, Web of Science); Impact Factor (2014) = 5.993

Kalvāns, J., “Ice chemistry in starless molecular cores”, 2015, The Astrophysical Journal, vol. 806, 196, 27 pp.  (Scopus, Web of Science); Impact Factor (2014) = 5.993

2014

Kalvāns, J., “The influence of interstellar dust on the chemical composition of interstellar gas-dust clouds”, 2014, Publications of the Astronomical Society of the Pacific, Volume 126, issue 942, p. 811, ISSN: 00046280    Scopus, EBSCO

Kalvāns, J., “Cosmic-ray Induced Diffusion in Interstellar Ices”, 2014, Baltic Astronomy, 23, 137   Web of Science, Scopus

2013

Kalvans, J., Shmeld, I., 2013. Modeling the processing of interstellar ices by energetic particles. Astronomy and Astrophysics, 554, Volume 554, 2013, Article number A111,  DOI: 10.1051/0004-6361/201220171, ISSN: 00046361  Scopus, Web of Science

Citas zinātniskās publikācijas

2017

J.Kalvāns. Vai Zemes okeāniem ir starpzvaigžņu izcelsme? Zvaigžņotā Debess (236), 29.-33. lpp., 2017, https://www.lu.lv/zvd/2017/vasara/

J.Kalvāns. Starptautiskās astronomu savienības 332. simpozijs Čīlē, 31.-34. lpp., 2017, https://www.lu.lv/zvd/2017/ziema/

2013

Juris Kalvāns, Modeling of subsurface ice mantle on interstellar dust grains with astrochemical code ALCHEMIC (research note), Space Research Review, Vol. 2, pp. 11-18, 2013,

Juris Kalvāns, The influence of interstellar dust on the chemical composition of dark interstellar molecular clouds, Riga, 2013, 59 pp. Document Type: Summary of Doctoral Thesis,