Research Highlights


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2013

Brightest ever observed gamma-ray flare

Brightest ever observed gamma-ray flare

18th April 2013 · Brightest ever observed gamma-ray flare from blazar Markarian 421

2012

New triple system simulations

New triple system simulations

14th December 2012 · New simulations how wide binary stars form. The results were published in the Nature Letter (nature11662).

New supernova observations

New supernova observations

10th September 2012 · New supernova observations shed light on the starformation history of the universe.

2010

Gamma ray flare

Quasar 3C 279

22nd February 2010 · Polarisation changes associated with gamma ray flare.

2009

Quasar Host Galaxies

2nd November 2009 · Cosmic evolution of Quasar host galaxies

ALH

Binary stars

18th September 2009 · Probing the structure of an X-ray binary

ALH

Exoplanet

20th February 2009 · Finnish team of graduate students find an exoplanet

ALH

Supernovae

30th January 2009 · First supernova discovered via laser guide star optics

2008

ALH

Supernovae

3rd December 2008 · Last moments of a star caught on film

ALH

Astrobiology

7th November 2008 · Transfer of microbes in space

Sun

Mapping triples

20th August 2008 · A "Maasai Shield" map of a three body system

Sun

Compact Stars

22nd June 2008 · V405 Aur : a highly magnetic white dwarf

Sun

Astrobiology

22nd May 2008 · Twinkle, twinkle any star - the Sun is not so special

OJ287

Physics of AGN jets

24th April 2008 · Tuorla and Metsähovi researchers study the active galaxy "BL Lac"

OJ287

Binary black hole

20th April 2008 · OJ287 provides new tests of General Relativity

2007

mirror

Exoplanetary science

5th December 2007 · First detection of polarized light from an exoplanetary atmosphere

mirror

Supernova in luminous infrared galaxy

10th September 2007 · First ever supernova found using adative optics

AO and SN

Shiny again

23rd August 2007 · Re-aluminization carried out of the Tuorla 1-meter mirror

red halos puzzle

Red halos continue to puzzle

22nd May 2007 · Many galaxies are embedded in a dim, extended red halo, but their nature is still unclear.

DE surprises

Dark energy rules the small as well as the large

15th May 2007 · Dark energy's effects detected in a nearby galaxy group, leading to the concept of the "Hubble Cell".

2006

OJ287 surprises

OJ287 never fails to surprise

20th October 2006 · Long term monitoring of OJ287's optical brightness now indicates that the system may be precessing very rapidly, setting a record for general relativistic precession of orbits.

Solar corona

Silja Pohjolainen on coronal shock waves

24th September 2006 · Tuorla astronomers tracking down the drivers for radio emission from the Solar corona.

Hipparcos

Brightly shine the disk stars

19th September 2006 · Turku and Heidelberg astronomers put together a luminosity budget for local stellar space.

Dynamics of quasi-satellites

Dynamics of quasi- satellites

10th August 2006 ·The angle between the orbit of the planet and the orbit of the asteroid as they circle the Sun found to play an important role in the formation and lifetime of quasi-satellites.

BL Lacs reunited in new large study

BL Lacs reunited in new large study

4th April 2006 · One of the standard explanations for these energetic emittors may be flawed

Tuorlan astronomers measure the colours of the Sun

Tuorlan astronomers measure the colours of the Sun

7th February 2006 · Using interferometry technique surface temperature can be measured consistently for faint stars and the Sun

2005

Polar hot spot in W Ser?

Polar hot spot in W Ser?

19th November 2005 · Detailed polarisation study provides intriguing evidence for a thick accretion disk around W Ser

How far the neighbours?

How far the neighbours?

14th September 2005 · Tuorlans and galaxy distance measuring methods

Little bangs on the Sun

Little bangs on the Sun

14th September 2005 · Mini CMEs surprise astronomers

World's largest space mirror polished at Tuorla

World's largest space mirror polished at Tuorla

19th April 2005 · Figuring of the Herschel telescope mirror completed

High redshift host spotted

High redshift host spotted

1st March 2005 · European Southern Observatory's largest telescopes used to image distant galaxies

2004

Dust in Space

Dust in Space

20th October 2004 · Polarised starlight up on high

Venus' new 'moon'

Venus' new "moon"

17th August 2004 · Venus has a quasi-satellite!

3C273 up close

3C273 up close

10th August 2004 · Bright mutterings in the core of a quasar

The little telescope that could

The little telescope that could

5th July 2004 · Simultaneous optical and gamma ray observations

Dark energy

Dark energy

28th June 2004 · New cosmic force nearer than we think?

100 BL Lacs

100 BL Lacs

2nd February 2004 · Galaxies show much of a muchness

2003

Rise and rise of He

Rise and rise of He

3rd March 2003 · Measuring the amount of Helium in the cosmos

This page was last modified by Rami Rekola  on  25/10/2006 10:46   astroweb@utu.fi