Tartu Observatory

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News

Events

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ESA Top News

Punyakoti Ganeshaiah Veena successfully defended PhD thesis "Cosmic Ballet: spinning in the web"

Explore the city of Tartu and the university during Orienteering Week

October

Punyakoti Ganeshaiah Veena successfully defended PhD thesis "Cosmic Ballet: spinning in the web"

Explore the city of Tartu and the university during Orienteering Week

October

Space Terminology Estonian-English-Estonian Dictionary

Space Terminology Estonian-English-Estonian Dictionary

Contacts of UT units

Dean's Office

Faculty contacts link:
Employee contacts

Faculty phone:
+ 372 737 5341

Faculty email:
hv.dekanaat [at] ut.ee

Faculty address:
Jakobi 2, rooms 116–121, 51005 Tartu
Institute of History and Archaeology

Faculty link:
www.flaj.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5651

Faculty address:
Jakobi 2, 51005 Tartu
Institute of Estonian and General Linguistics

Faculty link:
keel.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5221

Faculty email:
keeleteadus [at] ut.ee

Faculty address:
Jakobi 2, 51005 Tartu
Institute of Philosophy and Semiotics

Faculty link:
www.flfi.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5314

Faculty email:
filosoofia.semiootika [at] ut.ee

Faculty address:
Jakobi 2, rooms 309–352, 51005 Tartu
Institute of Cultural Research

Faculty link:
www.flku.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
(+372) 737 5223

Faculty email:
kultuuriteadused [at] ut.ee

Faculty address:
Ülikooli 16, 51003 Tartu
School of Theology and Religious Studies

Faculty link:
us.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5301

Faculty email:
us [at] ut.ee

Faculty address:
Ülikooli 18–310, 50090 Tartu
College of Foreign Languages and Cultures

Faculty link:
maailmakeeled.ut.ee

Faculty contacts link:
Employee contacts

Faculty email:
keeled [at] ut.ee

Faculty address:
J. Liivi 4, 50409, Tartu
Viljandi Culture Academy

Faculty link:
kultuur.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 435 5232

Faculty email:
kultuur [at] ut.ee

Faculty address:
Posti 1, 71004 Viljandi

Dean's Office

Faculty contacts link:
Employee contacts

Faculty phone:
+ 372 737 5900

Faculty email:
sotsiaalteadused [at] ut.ee

Faculty address:
Lossi 36, 51003 Tartu
Institute of Education

Faculty link:
www.ht.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 6440

Faculty email:
haridus [at] ut.ee

Faculty address:
Salme 1a–29, 50103 Tartu
Johan Skytte Institute of Political Studies

Faculty link:
skytte.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5582

Faculty email:
skytte [at] ut.ee

Faculty address:
Lossi 36–301, 51003 Tartu
School of Economics and Business Administration

Faculty link:
majandus.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 6310

Faculty email:
majandus [at] ut.ee

Faculty address:
Narva mnt 18, 51009 Tartu
Institute of Psychology

Faculty link:
psychology.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5902

Faculty email:
psyhholoogia [at] ut.ee

Faculty address:
Näituse 2, 50409 Tartu
School of Law

Faculty link:
law.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5390

Faculty email:
oi [at] ut.ee

Faculty address:
Näituse 20–324, 50409 Tartu
Institute of Social Studies

Faculty link:
yti.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5188

Faculty email:
yhiskonnateadused [at] ut.ee

Faculty address:
Lossi 36, 51003 Tartu
Narva College

Faculty link:
www.narva.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 740 1900

Faculty email:
college [at] narva.ut.ee

Faculty address:
Raekoja plats 2, 20307 Narva
Pärnu College

Faculty link:
www.pc.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 445 0520

Faculty email:
info [at] pc.ut.ee

Faculty address:
Ringi 35, 80012 Pärnu

Dean's Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5326

Faculty email:
med [at] ut.ee

Faculty address:
Ravila 19, 50411 Tartu
Institute of Biomedicine and Translational Medicine

Faculty link:
biomeditsiin.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4210

Faculty email:
bsmi [at] ut.ee

Faculty address:
Biomeedikum, Ravila 19, 50411 Tartu
Institute of Pharmacy

Faculty link:
farmaatsia.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5286

Faculty email:
pharmacy [at] ut.ee

Faculty address:
Nooruse 1, 50411 Tartu
Institute of Dentistry

Faculty link:
hambaarstiteadus.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 731 9856

Faculty address:
Raekoja plats 6, 51003 Tartu
Institute of Clinical Medicine

Faculty link:
clinicalmedicine.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5323

Faculty email:
kmi [at] ut.ee

Faculty address:
L. Puusepa 8, 50406 Tartu
Institute of Family Medicine and Public Health

Faculty link:
tervis.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4190

Faculty email:
dph [at] ut.ee

Faculty address:
Ravila 19, 50411 Tartu
Institute of Sport Sciences and Physiotherapy

Faculty link:
www.kk.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5360

Faculty email:
kkdek [at] ut.ee

Faculty address:
Jakobi 5–205, 51005 Tartu

Dean's Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5820

Faculty email:
ltt [at] ut.ee

Faculty address:
Vanemuise 46–208, 51003 Tartu
Institute of Computer Science

Faculty link:
cs.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5445

Faculty email:
ics [at] ut.ee

Faculty address:
Narva mnt 18, 51009 Tartu
Estonian Marine Institute

Faculty link:
mereinstituut.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 671 8902

Faculty address:
Mäealuse 14, 12618 Tallinn
Institute of Physics

Faculty link:
www.fi.ut.ee

Faculty contacts link:
Employee contacts

Faculty address:
W. Ostwaldi 1, 50411 Tartu
Institute of Chemistry

Faculty link:
chem.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5261

Faculty email:
chemistry [at] ut.ee

Faculty address:
Ravila 14a, 50411 Tartu
Institute of Mathematics and Statistics

Faculty link:
www.math.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5860

Faculty email:
ltms [at] ut.ee

Faculty address:
Narva mnt 18, 51009 Tartu
Institute of Molecular and Cell Biology

Faculty link:
tymri.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5027

Faculty address:
Riia 23, 23b–134, 51010 Tartu
Tartu Observatory

Faculty link:
www.kosmos.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4510

Faculty email:
kosmos [at] ut.ee

Faculty address:
Observatooriumi 1, Tõravere, 61602 Tartumaa
Institute of Technology

Faculty link:
tuit.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4800

Faculty email:
info [at] tuit.ut.ee

Faculty address:
Nooruse 1, 50411 Tartu
Institute of Ecology and Earth Sciences

Faculty link:
www.omi.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5835

Faculty email:
om [at] ut.ee

Faculty address:
Vanemuise 46, 51003 Tartu

Institutions

Library

Faculty link:
utlib.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5702

Faculty email:
library [at] utlib.ee

Faculty address:
W. Struve 1, 50091 Tartu
Youth Academy

Faculty link:
teaduskool.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5581

Faculty email:
teaduskool [at] ut.ee

Faculty address:
Uppsala 10, 51003 Tartu
Institute of Genomics

Faculty link:
genomics.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4000

Faculty email:
egv [at] ut.ee

Faculty address:
Riia 23b, 51010 Tartu
Museum

Faculty link:
muuseum.ut.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5674

Faculty email:
muuseum [at] ut.ee

Faculty address:
Lossi 25, 51003 Tartu
University of Tartu Natural History Museum and Botanical Garden

Faculty link:
natmuseum.ut.ee

Faculty contacts link:
https://www.ut.ee/en/kontakt/loodusmuuseum-botaanikaaed

Faculty phone:
+372 737 6076

Faculty email:
loodusmuuseum [at] ut.ee

Faculty address:
Vanemuise 46, 51003 Tartu

Support Units

Administrative Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5606

Faculty email:
kantselei [at] ut.ee

Faculty address:
Ülikooli 18a, 51005 Tartu
Centre for Entrepreneurship and Innovation

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 4809

Faculty email:
eik [at] ut.ee

Faculty address:
Narva mnt 18, 51009, Tartu
University Office in Tallinn

Faculty link:
University Office in Tallinn

Faculty contacts link:
Employeescontacts

Faculty phone:
+372 737 6600

Faculty email:
esindus [at] tallinn.ut.ee

Faculty address:
Teatri väljak 3, 10143 Tallinn
Estates Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5137

Faculty address:
Ülikooli 18a, 51005 Tartu
Finance Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5125

Faculty email:
rahandus [at] ut.ee

Faculty address:
Jakobi 4, 51005 Tartu
Grant Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 6215

Faculty address:
Raekoja plats 9, 51004 Tartu
Information Technology Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 6000, IT-help: +372 737 5500

Faculty email:
ito [at] ut.ee, arvutiabi [at] ut.ee

Faculty address:
Ülikooli 18a, 51005 Tartu
Human Resources Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5145

Faculty email:
personal [at] ut.ee

Faculty address:
Ülikooli 18, rooms 302 and 304, 50090 Tartu
Internal Audit Office

Faculty contacts link:
Employee contacts

Faculty email:
siseaudit [at] ut.ee

Faculty address:
Ülikooli 18-244, 51005 Tartu
Marketing and Communication Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5687

Faculty email:
info [at] ut.ee, avalik [at] ut.ee

Faculty address:
Ülikooli 18, rooms 102, 104, 209, 210, 50090 Tartu
Office of Academic Affairs

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5620

Faculty address:
Ülikooli 18, 50090 Tartu
Procurement Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 6632

Faculty email:
tuuli.ilula [at] ut.ee

Faculty address:
Ülikooli 18a, 51005 Tartu
Rector's Office
Rector's Strategy Office

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5600

Faculty email:
rektor [at] ut.ee

Faculty address:
Ülikooli 18, 50090 Tartu
Student Council

Faculty link:
tyye.ut.ee

Faculty contacts link:
Employee contacts

Faculty email:
info [at] tyye.ee

Faculty address:
Ülikooli 18b, 51005 Tartu
University of Tartu Press

Faculty link:
www.tyk.ee

Faculty contacts link:
Employee contacts

Faculty phone:
+372 737 5945

Faculty email:
tyk [at] ut.ee

Faculty address:
W. Struve 1, 50091 Tartu

University of Tartu Academic Sports Club

Faculty link:
sport.ut.ee

Faculty phone:
+372 737 5371

Faculty email:
info [at] tysk.ee

Faculty address:
Ujula 4, 51008 Tartu
Tartu Student Village

Faculty link:
campus.ee

Faculty phone:
+372 740 9959

Faculty email:
info [at] kyla.ee

Faculty address:
Narva mnt 25, 51013 Tartu
Tartu Students’ Club

Faculty link:
www.tym.ee

Faculty phone:
+372 730 2400

Faculty email:
tym [at] ut.ee

Faculty address:
Kalevi 24, 51010 Tartu
Tartu University Hospital

Faculty link:
www.kliinikum.ee/eng

Faculty email:
kliinikum [at] kliinikum.ee

Faculty address:
L. Puusepa 1a, 50406 Tartu
University of Tartu Foundation

Faculty link:
sihtasutus.ut.ee/en

Faculty phone:
+372 737 5852

Faculty email:
triin.vakker [at] ut.ee

Faculty address:
Ülikooli 18, 50090 Tartu
View all other units

Faculty link:
www.ut.ee/en/other-units

Seminars

SEMINAR VIDEOS

We, 14.10 at 3 PM, Maa room; webinar

Maarja Bussov

Clustering analysis for astrophysical structures

Summary

"I will present clustering techniques applied for two different types of astrophysical data. First of them are datasets about points in an observed region of space, these are the observational galaxy datasets, and catalogues of complex structure elements detected from the spatial distribution of galaxies. The second type of datasets are of astrophysical simulation images. These are images consisting of millions of pixels, each of which represented in an n−dimensional physical feature space. The data analysis problems for these seemingly different two datasets are after all similar: we want to detect clustering of data points. For spatial objects, we were interested in finding spatial clustering or correlation signals, and for the plasma images, we were interested in finding clusters of similar pixels."

This year, Bussov will be defending her doctoral thesis on the same topic.

Join the webinar

Th, 8.10 at 2.15, webinar

Nigul Olspert

Machine learning applications in solar physics

Summary

Due to rapidly increasing amount of satellite and ground based solar observations, there is urgent demand for fast and scalable data processing methods. Machine learning and especially deep learning is very promising way of solving many tasks in different domains. One such task is for instance solar image restoration, where the aim is to remove from the images aberrations caused by Earth's turbulent atmosphere. There is a potential that in the future such restorations can be done in real time at the site of instrument, so that there is no need to store the raw data. In my talk I will be discussing this and some other machine learning applications in solar physics which can both increase the quality of the clean data as well as computationally outperform methods commonly used in this field.

J oin the webinar

We, 7.10 at 3 PM, Maa room; webinar

Punyakoti Ganeshaiah Veena

The Cosmic Ballet: spinning in the web

Summary

"All the celestial objects, from small asteroids and planets to large galaxies and even the long filaments of the cosmic web are rotating. The origin of rotation is yet to be fully understood, especially in the context of galaxies and their dark matter haloes. According to the classical tidal torque theory, in the early Universe, as matter began to clump together, the resulting anisotropic distribution of matter torqued up proto-galaxies. Simultaneously, the matter overdensities collapsed to form the large-scale filaments, clusters, walls and voids of the cosmic web that we see today. As a result, we expect a correlation between galaxy spin and the cosmic web.
During the talk, Veena will discuss the role of the cosmic web environment in establishing the rotation of haloes and galaxies using large cosmological simulations. She will show that haloes in filaments are in general spinning faster than in other web components. She will also present the correlations between the spin-axis of haloes/galaxies with the orientation of the cosmic filaments that they are growing in and show how these trends evolve with cosmic time and filament properties."

In October, Veena will be defending her doctoral thesis on the same topic. The thesis can be read at the University of Groningen website.

Join the webinar

Seminar videos

Calendar

7
Astronomy seminar: Punyakoti Ganeshaiah Veena, "The Cosmic Ballet: spinning in the web"

8
Remote sensing webinar: Nigul Olspert, "Machine learning applications in solar physics"

16
Defence of Punyakoti Ganeshaiah Veena's PhD thesis "Cosmic Ballet: spinning in the web"