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Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

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Page 1: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Polish contribution to E-LOFAR

Katarzyna Otmianowska-Mazur

Page 2: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Uniwersytet Jagielloński, Kraków

Uniwersytet im. Mikołaja Kopernika, Toruń

Centrum Badań Kosmicznych PAN, Warszawa

Uniwersytet Szczeciński, Szczecin

Uniwersytet Zielonogórski, Zielona Góra

Centrum Astronomiczne Mikołaja Kopernika, Warszawa, Toruń

PIONIER

Page 3: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Tuellmann, Soida, Dettmar, Urbanik et al. 2000, A&A 364, L36

Chyży et al. in prep.

Magnetism in galactic haloes

Investigation of magnetic fields in low-brightness outer parts of haloes and in extraplanar outflows of spiral galaxies

Uni – Kraków, KSP Cosmic Magnetism

Page 4: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

PolarizationChyży et al. in prep.

HI – Meurer et al. 1996 NGC 2915 similar to IC10

Magnetism of dwarf galaxies

Uni – Kraków, KSP Cosmic Magnetism

A search for magnetic fields in the envelopes (steep-spectrum emission +RM synthesis)

Page 5: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

X-rays – Trinchieri et al. 2005 A&A 444, 697

Sulentic et al. 2001

To the HI tail

Soida et al. in prep. Magnetism of galaxy groups

Uni – Kraków, KSP Cosmic Magnetism

A search for magnetic fields in tidal tails and intergalactic space via steep-spectrum emission

Page 6: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Intergalactic fields in clusters of galaxies – RM of backgr. sources

Example- Virgo Cluster, Knapik et al. (project in progress)

Greyscale: X-rays from Boehringer et al.

Circles: our sources with first RM results shown

Magnetism of Clusters of galaxies

Uni – Kraków, KSP Cosmic Magnetism

Page 7: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

3C223

Faded components

New components

3C403FIRST 1.4 GHz

30”

MERLIN 5GHz

0.4”

An example of Core Dominated Triple (CDT)

Marecki et a l .2006 A&A .448 479

Classical X-shaped sources.

Active Galactic Nuclei - AGN•Observing large samples of radio structures

•AGN evolution at larger z

Uni-Toruń, Uni-Szczecin, Suitable KSP – Deep Extragalactic SurveysAll images courtesy Dr. A. Marecki

Page 8: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Prematurely faded sources – small size, steep spectra, no hotspots

Kunert-Bajraszewska M., Marecki A. et al. (2005), A&A 440, 93Images courtesy Dr A. Marecki

AGN – Part 2

Page 9: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

•Activity of M-type dwarfs

• Magnetospheric radio emission from extrasolar giant planets

(Uni Szczecin, CAMK - Toruń). Suitable Key Project 'Transient Sources'.

Image courtesy dr Inga Nielsen, Uni-Hamburg

Exosuns & exoplanets

Page 10: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

image credit : SOHO Consortium, ESA, NASA

Our Sun & its planets

LOFAR-LOIS:

•coronal mass ejections,

•bow shock and the Earth’s magnetopause,

•plasma diagnostics in Earth’s vicinity

(Space Research Centre – Warsaw)

Nonthermal radio emission from Jupiter (CAMK – Toruń).

Suitable Key Project 'Transient Sources'.

Monitoring of extensive air showers (Uni Szczecin). Key Project 'Ultra High Energy Cosmic Rays'

Page 11: Polish contribution to E-LOFAR Katarzyna Otmianowska-Mazur

Image from the Wikimedia Commons

Pulsars

The turnover in pulsar spectra: absorption in the magnetosphere, loss of radiation efficiency or interstellar effect?

Drifting subpulses - observed in a single pulse mode

The multifrequency pulsar timing.

ionized component of the interstellar medium studied via pulsar dispersion measure variability

All topics: Uni – Zielona Góra