2023.

Causes of the Shortage of Physics Teachers in Croatia

Erceg, N., Jelovica, L., Mešić, V., Nešić, L., Poljančić Beljan, I., Nikolaus, P.

Education Sciences - 13 788

https://www.mdpi.com/2227-7102/13/8/788

Q1 WOS

2022.

Who Teaches Physics in Croatian Elementary Schools?

Erceg, Nataša ; Nikolaus, Patricija ; Nikolaus, Vesko ; Poljančić Beljan, Ivana

Education Sciences - 12

https://www.mdpi.com/2227-7102/12/7/461

Q2 WOS

2022.

Variation of the solar differential rotation and activity in the period 1964 - 2016 determined by the Kanzelhöhe data set

I. Poljančić Beljan, R. Jurdana-Šepić, T. Jurkić, R. Brajša, I. Skokić, D. Sudar, D. Ruždjak, D. Hržina,W. Pötzi, A.Hanslmeier, and A. M. Veronig

Astronomy & Astrophysics, prihvaćen za objavljivanje

https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202140509

Q1

2018

Meridional Motions and Reynolds Stress Determined by using Kanzelhoehe Drawings and White Light Solar Images from 1964 to 2016

D. Ruždjak, D. Sudar, R. Brajša, I. Skokić, I. Poljančić Beljan, R. Jurdana-Šepić, A. Hanslmeier, A. Veronig, W. Poetzi

Solar Physics - 293 1-12

Q2 WOS

01.10.2017.

A Relationship between the Solar Rotation and Activity Analysed by Tracing Sunspot Groups

Ruždjak, D., Brajša, R., Sudar, D., Skokić, I., Poljančić Beljan, I.

Solar Physics - 292 179

Q2 WOS

2017

Solar differential rotation in the period 1964 - 2016 determined by the Kanzelhöhe data set

Poljančić Beljan, I., Jurdana-Šepić, R., Brajša, R., Sudar, D., Ruždjak, D., Hržina, D., Pötzi, W., Hanslmeier, A., Veronig, A., Skokić, I., Wöhl, H.

Astronomy and Astrophysics - 606 A72

Q1 WOS

2017

Geomagnetic effects of corotating interaction regions

Vršnak, B., Dumbović, M., Čalogović, J., Verbanac, G., Poljančić Beljan, I.

Solar Physics - 292 140

Q2 WOS

2017

Meridional Motion and Reynolds Stress from Debrecen Photoheliographic Data

Sudar, D., Brajša, R., Skokić, I., Poljančić Beljan, I., Wöhl, H.

Solar Physics - 292 86

https://arxiv.org/abs/1705.00912

Q2 WOS

2016

An application of the random walk model to proper motions of coronal bright points from SDO data

Skokić, Ivica; Sudar, Davor; Saar, S. H.; Brajša, Roman; Poljančić Beljan, Ivana

Central European astrophysical bulletin - 40 23-28

2016.

Meridional motions and Reynolds stress from SDO/AIA coronal bright points data

D. Sudar, S. H. Saar, I. Skokić, I. Poljančić Beljan, R. Brajša

Astronomy and astrophysics - 587 A29

Q1 WOS

2015.

A search for T Tauri stars and related objects: archival photometry of candidate variables in V733 Cep field

R. Jurdana-Šepić, I. Poljančić Beljan

Central European Astrophysical Bulletin - 39 161 - 171

2014.

An analysis of the solar differential rotation from the Kanzelhöhe sunspot drawings

I. Poljančić Beljan, R. Jurdana – Šepić, M. Čargonja, R. Brajša, D. Hržina, W. Pötzi, A. Hanslmeier

Central European Astrophysical Bulletin - 38 87-93

2014.

Long-term photometric observations of pre-main sequence objects in the field of North America/Pelican Nebula

I. Poljančić Beljan, R. Jurdana-Šepić, E. H. Semkov, S. Ibryamov, S. P. Peneva, and M. K.Tsvetkov

A&A - 568 A49

Q1 WOS

2011.

A relationship between the solar rotation and activity in the period 1998-2006 analysed by tracing small bright coronal structures in SOHO-EIT images

Jurdana-Šepić, Rajka; Brajša, Roman; Wöhl, Hubertus; Hanslmeier, Arnold; Poljančić, Ivana; Svalgaard, Leif; Gissot, Samuel

Astronomy and astrophysics - 534 1-6

Q1 WOS

2011.

Differences in heliographic positions and rotation velocities of sunspot groups from various observatories

Poljančić, Ivana; Brajša, Roman; Hržina, Damir; Wöhl, Hubertus; Hanslmeier, Arnold; Pötzi, Werner; Baranyi, Tunde; Özgüç, Atila; Singh, Jagdev; Ruždjak, Vladimir

Central European Astrophysics Bulletin - 35 59-70

2011.

Usporedba položaja grupa Sunčevih pjega opažanih na različitim observatorijima (A comparison of sunspot position measurements from different observatories)

Poljančić, Ivana; Brajša, Roman; Ruždjak, Domagoj; Hržina, Damir; Jurdana-Šepić, Rajka; Wöhl, Hubertus

Bolid - 55-56

2010.

A comparison of sunspot position measurements from different data sets

Poljančić, Ivana; Brajša, Roman; Ruždjak, Domagoj; Hržina, Damir; Jurdana-Šepić, Rajka; Wöhl, Hubertus; Otruba, Wolfgang

Sun and Geosphere - 5 52-57

2009.

Basic concepts of waves and optics in a scientific literacy survey

Poljančić, Ivana; Milotić, Branka; Jurdana-Šepić, Rajka

Program and book of abstracts: Physics community and cooperation, University of Leicester - 38-39

5.6.2023.

Photospheric solar differential rotation and its relationship with activity on Gleissberg-cycle scales

Poljančić Beljan, T. Jurkić, K. Lončarić, R. Jurdana Šepić, D. Ruždjak, R. Brajša, A. Hanslmeier, Workshop "The Next Frontier - Linking Simulations with Observations of the Solar Athmosphere"

Palma, Španjolska

5.6.2023.

Photospheric solar differential rotation and its relationship with activity on Gleissberg-cycle scales

I. Poljančić Beljan, T. Jurkić, K. Lončarić, R. Jurdana Šepić, D. Ruždjak, R. Brajša, A. Hanslmeier

25 minutno izlaganje

Workshop "The Next Frontier - Linking Simulations with Observations of the Solar Athmosphere" Palma, Španjolska

3.2023.

Deficit nastavnika fizike- trendovi, uzroci i moguća rješenja

Erceg, N., Nikolaus, P., Nikolaus, V., Poljančić Beljan, I,, Jelovica, L.

suradnica

10. međunarodna konferencija o nastavi fizike u srednjim školama Aleksinac, Srbija

20.10.2022.

Nedostatak nastavnika fizike u hrvatskim osnovnim školama

N. Erceg, P. Nikolaus, V. Nikolaus, I. Poljančić Beljan

koautorica (izlagala N. Erceg)

5. Dani obrazovnih znanosti “Kako poticati dobrobit u odgojno-obrazovnom okružju u izazovnim vremenima?” Zagreb

https://www.idi.hr/doz2022/Knjiga_sazetaka_DOZ_2022.pdf

26.11.2021.

Long-term changes of the solar differential rotation parameters

I. Poljančić Beljan, I. Skokić, T. Jurkić, D. Ruždjak, D. Sudar, R. Jurdana-Šepić, R. Brajša

15 minutno izlaganje

Znanstveni skup Hrvatskog astronomskog društva (HAD Scientific Meeting) Institut Ruđer Bošković, Zagreb

20.9.2021. - 24.9.2021.

Solar cycle phase related changes of the differential rotation parameters

Poljančić Beljan, I., Skokić, I., Jurkić, T., Jurdana-Šepić, R., Brajša, R., Sudar, D., Ruždjak, D., Hržina, D., Pötzi, W., Hanslmeier, A., Veronig, A.

poster

XVIIth Hvar Astrophysical Colloquium, The Sun and Heliosphere online

https://oh.geof.unizg.hr/index.php/en/hac-xvii

07.05.2019.

Relationship between steepnes of the solar differential rotation and activity

I. Poljančić Beljan, R. Jurdana-Šepić, R. Brajša, D. Ruždjak, I. Skokić, D. Sudar, D. Hržina, W. Poetzi, A. Hanslmeier, A. Veronig

poster

2nd China-Europe Solar Physics Meeting (CESPM) Hvar

18.10.2017.

Photometric observations of pre-main sequence objects

Poljančić Beljan, I., Jurdana – Šepić, R., Munari, U.

20 minutno izlaganje

XVth Hvar Astrophysical Colloquium Hvar

2015.

Determination of the Kanzelhöhe sunspot group positions: manual versus automatic method

I.Poljančić Beljan, R. Jurdana – Šepić, R. Brajša, D. Hržina, W. Pötzi, A. Hanslmeier, D. Ruždjak, D. Sudar, I. Skokić, H. Wöhl

20 minutno izlaganje

Multi Wavelength Studies of the Solar Atmosphere: Celebrating the Career of Costas Alissandrakis Ioannina, Greece

2014.

Solar differential rotation analysis from Kanzelhöhe sunspot drawings

I. Poljančić Beljan, R. Jurdana – Šepić, M. Čargonja, R. Brajša, D. Hržina, W. Pötzi, A. Hanslmeier

poster

XIIIth Hvar Astrophysical Colloquium Hvar

13.09.2013.

A comparison of sunspot position measurements from different data sets

Poljančić, Ivana; Brajša, Roman; Ruždjak, Domagoj; Hržina, Damir; Jurdana-Šepić, Rajka; Wöhl, Hubertus; Otruba, Wolfgang

20 minutno izlaganje

IHY-ISWI Regional Meeting "Heliophysical phenomena and Earth's environment" Šibenik

28.11.2011.

Some properties of the solar velocity field determined with the SOHO-EIT data

12. Brajša, R., Sudar, D., Skokić, I., Munk, P., Jurdana-Šepić, R., Poljančić Beljan I., Woehl, H., Hanslmeier, A., Gissot, S. F., Svalgaard, L., Saar, S. H.

koautorica (izlagao R. Brajša)

8th European Space Weather Week Namur, Belgija

10.09.2010.

Differences in heliographic positions and rotation velocities of sunspot groups from various observatories

Poljančić, Ivana; Brajša, Roman; Hržina, Damir; Wöhl, Hubertus; Hanslmeier, Arnold; Pötzi, Werner; Baranyi, Tunde; Özgüç, Atila; Singh, Jagdev; Ruždjak, Vladimir

20 minutno izlaganje

Xth Hvar Astrophysical Colloquium, THE ACTIVE SUN Hvar

11.12.2009.

Usporedba položaja grupa Sunčevih pjega opažanih na različitim observatorijima

Poljančić, Ivana; Brajša, Roman; Ruždjak, Domagoj; Hržina, Damir; Jurdana-Šepić, Rajka; Wöhl, Hubertus

10 minutno izlaganje

Stručni skup Nastavne sekcije HAD-a povodom Međunarodne godine astronomije - ŽENE U ASTRONOMIJI Zvjezdarnica Zagreb, Zagreb

21.08.2009.

Basic concepts of waves and optics in a scientific literacy survey

Poljančić, Ivana; Milotić, Branka; Jurdana-Šepić, Rajka

20 minutno izlaganje

GIREP – EPEC with PHEC 2009, Physics Community and Cooperation Leicester, UK

18.04.2009.

Radionica „ Priča o toplini“ (Physics workshop „Tale about heat“)

Pranjić-Petrović, Tatjana; Poljančić, Ivana; Milotić, Branka

40 minutno izlaganje

IX. hrvatski simpozij HFD o nastavi fizike, Interaktivna nastava fizike Primošten

5.6.2024.

Physics education challenges (Izazovi obrazovanja iz fizike)

Rijeka predsjednica organizacijskog odbora

25.9.2023. - 29.09.2023.

LSST@Europe5

Poreč članica organizacijskog odbora

2014. -

Treća riječka škola fizike - "Fizika bez granica"

Rijeka član organizacijskog odbora

2013. -

Druga riječka škola fizike - "Fizika u novom prostor - vremenu"

Rijeka član organizacijskog odbora

26. -31. 8. 2007.

GIREP-EPEC, Frontiers of physics education

Opatija član tehničkog osoblja

20. – 30. 9. 2009.

Summer School NOVICOSMO 2009, Highlights in Astrophysics

Rabac član lokalnog organizacijskog odbora

2024.

Views on gender differences in the physics classroom

Education Sciences

2023.

Revealing coupled periodicities in sunspot time series using bispectrum – An inverse problem

Applied Sciences

2023.

The differential rotation of the chromosphere and the quiet chromosphere in the falling and rising periods of a solar cycle

Monthly Notices of the Royal Astronomical Society

2023.

Virtual Galleries as learning scaffolds for promoting Problem Based Learning

Education sciences

11.2022.

Helping students become proficient problem solvers Part II: An example from waves, Education Sciences, MDPI

Education sciences

11.2022.

Helping students become proficient problem solvers Part I: A brief review, Education Sciences, MDPI

Education Sciences

9.2022.

Physics Teachers’ Perceptions about Their Judgments within Differentiated Learning Environments: A Case for the Implementation of Technology, Education sciences, MDPI

Education Sciences

2021.

M. Husak, R. Brajša, D. Špoljarić, On the Determination of the Solar Rotation Elements i, Ω and Period using Sunspot Observations by Ruđer Bošković in 1777, Rudarsko-geološko-naftni zbornik

Rudarsko-geološko-naftni zbornik

4.2024.

UNIRI projekt iskusnih znanstvenika 2023.: Astrofizika u vremenskoj domeni: Analiza stoljetne varijabilnosti rotacije Sunca i varijabilnosti zvijezda u budućim LSST podacima

voditeljica

Sveučilište u Rijeci 6000e

4.2024.

UNIRI projekt iskusnih znanstvenika 2023: Istraživanje perspektiva osnovnoškolske nastave fizike u uvjetima deficita stručnih učitelja u Republici Hrvatskoj

suradnica

Sveučilište u Rijeci 6500e

2018. -

Aktivnost Sunca i zvijezda

suradnica

Sveučilište u Rijeci

https://portal.uniri.hr/Projekti/Details/01129?up=true

01.09.2014. - 31.08.2018.

SOLSTEL (Solar and Stellar Variability)

sudionik

HRZZ (projekt broj 6212)

2014. - 2017.

Sunčeva rotacija i fotometrija promijenjivih zvijezda

suradnica

Sveučilište u Rijeci

https://portal.uniri.hr/Projekti/Details/076?up=true

2010. - 2013.

Dijagnostika i fizička svojstva cirkumstelarne tvari

sudionik

MZOŠ

2007. - 2009.

Razvoj fizičkih koncepata u učioničkom i e-okruženju

sudionik

MZOŠ