Author | Lightnews

Bärbel Koribalski @bskoribalski.bsky.social · Jul 2

Stunning "First Look" image by @vrubinobs.bsky.social of the galaxy NGC 4261 + neighbours. The image sharpness and depth is amazing plus the ability to see the diffuse light, e.g. stellar umbrellas caused by galaxy interactions. #astronomy #extragalactic #AstroSci * noirlab.edu/public/image...

Excerpt of the area around NGC 4261

noirlab.edu

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Bärbel Koribalski @bskoribalski.bsky.social · May 21

Optical images from the Dark Energy Survey (DES) are amazing, ... so much happening in the galaxy group. Exploring the sky never gets boring 🤩 #extragalactic #AstroSci #astronomy #galaxies

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Reposted by Bärbel Koribalski

ABC News Bot (unofficial) @abcnewsbot.bsky.social · Apr 11

Two-time Olympic silver medallist Nicola Olyslagers reveals how she has avoided a dip in motivation, as she targets winning the high jump at this year's World Athletics Championships in Tokyo.

'A different kind of strength': The key to Olyslagers's world titles success

Two-time Olympic silver medallist Nicola Olyslagers reveals how she has avoided a dip in motivation, as she targets winning the high jump at this year's World Athletics Championships in Tokyo.

www.abc.net.au

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Reposted by Bärbel Koribalski

ABC News Bot (unofficial) @abcnewsbot.bsky.social · Mar 23

Nicola Olyslagers defends her indoor high jump world championship, with fellow Australian Eleanor Patterson second in Nanjing, China.

Aussies go 1-2 in high jump at indoor world championships

Nicola Olyslagers defends her indoor high jump world championship, with fellow Australian Eleanor Patterson second in Nanjing, China.

www.abc.net.au

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Reposted by Bärbel Koribalski

HER WAY Sports Media @herwaysportsmedia.bsky.social · Mar 23

GOLD and SILVER!!
Australia’s Nicola Olyslagers has won a second straight high jump Indoor World Championships Title, while Eleanor Patterson made it an Aussie 1,2 to win silver.

Both cleared 1.97m, but Olyslagers’ flawless jumps at earlier heights saw her prevail.

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Bärbel Koribalski @bskoribalski.bsky.social · Mar 23

Amazing world indoor high jump competition - some massive jumps by Nicola 🤩 Congratulations Nic No 1 🥇, Eleanor No 2 🥈and Yaroslava No 3 🥉 Bring on more High Jump 🔥🔥🔥 #athletics #highjump

athsSTATS @athsstats.bsky.social · Mar 23

🔥 WOW Gold & Silver 🔥

How amazing - Nicola Olyslagers & Eleanor Patterson make another mark in history

They share gold & silver on global championship podium - the only ever time this happened for Australia was in 1968 when Maureen Caird & Pam Kilborn did same in 80mH

🔥 sensational 🔥

Bärbel Koribalski @bskoribalski.bsky.social · Mar 20

Wow 😮 ... lots going on here. Stellar shells and tails around IC 3091, clearly a galaxy merger in progress. #astronomy #AstroSci #extragalactic

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Bärbel Koribalski @bskoribalski.bsky.social · Mar 4

‘Ghosts of the radio universe’: astronomers have discovered a slew of faint circular objects #astronomy #radioastronomy #AstroSci theconversation.com/ghosts-of-th...

‘Ghosts of the radio universe’: astronomers have discovered a slew of faint circular objects

The newest generation of radio telescopes can detect objects so faint, we’ve never seen them before.

theconversation.com

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Bärbel Koribalski @bskoribalski.bsky.social · Feb 16

Cool science: A giant X-shaped galaxy with a monster black hole as its engine * theconversation.com/experts-solv... (from May 2020) #extragalactic #astronomy #radioastronomy

Left: One of the 36 ASKAP telescopes in the Western Australian desert, with the novel wide-field Phased Array Feed (PAF) receiver illuminated and the Milky Way galaxy in the background. Right: ASKAP radio continuum image, taken as part of the EMU survey, of the giant X-shaped radio galaxy PKS 1014-55.

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Bärbel Koribalski @bskoribalski.bsky.social · Feb 14

The radio core is indeed at the location of the optical galaxy. One-sided cometary radio tails - here twisted like a corkscrew - form when the galaxy ploughs through the intracluster medium. The bubble-shaped old part of the tail is likely the result of a head-on collision with a shock front.

Optical image from DECaPS (coloured in red to yellow) overlaid with ASKAP radio contours (coloured white).

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Bärbel Koribalski @bskoribalski.bsky.social · Feb 13

The Corkscrew Galaxy - it's full length is nearly 1 Mpc. #extragalactic #astronomy #radioastronomy

Figure 8 from my paper (Koribalski et al. 2024): ASKAP 944 MHz wide-band image of the Corkscrew Galaxy overlaid with GLEAM 170 – 231 MHz contours. The ASKAP contours are in red, the GLEAM contours are in blue . The set of western arc-shaped filaments form a bubble-like extension of the collimated Corkscrew tail with steep spectral index.

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Bärbel Koribalski @bskoribalski.bsky.social · Feb 13

Snap :) See my recent paper with @sunmish.bsky.social @elenchically.bsky.social et al. on the Corkscrew Galaxy and A3627 cluster environment ui.adsabs.harvard.edu/abs/2024MNRA...

Figure 1 from my paper entitled "ASKAP reveals the radio tail structure of the Corkscrew Galaxy shaped by its passage through the Abell 3627 cluster" showing the deep ASKAP radio continuum of the cluster with X-ray contours and galaxy names overlaid.

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Bärbel Koribalski @bskoribalski.bsky.social · Jan 29

Who likes Giant Radio Galaxies (GRGs) ? Here my latest ASKAP collection (incl. two candidates), all larger than 1 Mpc with angular sizes >5 arcmin. It's a zoo !! Paper ready for submission, comments welcome. #radioastronomy #extragalactic #astronomy #galaxies

ASKAP 944 MHz radio continuum images of giant radio galaxies aligned side-by-side and scaled to reflect their actual physical sizes.

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Bärbel Koribalski @bskoribalski.bsky.social · Jan 23

Cool science: "Discovery of a rare ‘polar ring galaxy’ wrapped in a huge ribbon of hydrogen" (from Sep 2023) #astronomy #extragalactic #radioastronomy #galaxies theconversation.com/astronomers-...

Astronomers have discovered a rare ‘polar ring galaxy’ wrapped in a huge ribbon of hydrogen

New ASKAP images reveal a giant hydrogen ring around the spiral galaxy NGC 4632.

theconversation.com

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Bärbel Koribalski @bskoribalski.bsky.social · Jan 23

Nearby galaxy pair NGC 7682 (left) and NGC 7679 (right) in a cosmic dance. Optical colour-composite image from the Dark Energy Survey DES-DR10. #astronomy #extragalactic #galaxies

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Bärbel Koribalski @bskoribalski.bsky.social · Jan 7

Another stunning image from the Dark Energy Survey (DES) DR10 release. This is NGC 4495 which is surrounded by numerous spokes and shells appearing like a faint but sharply defined halo. Looks like multiple "umbrellas" from galaxy merger events. #astronomy #extragalactic

Optical composite image from the Dark Energy Survey, overexposed to show the faint stellar spokes and shells surrounding the galaxy NGC 4495 likely caused by multiple ongoing minor mergers.

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Bärbel Koribalski @bskoribalski.bsky.social · Jan 7

Faint stellar tails / bridges / filaments in the NGC 128 galaxy group as revealed in the Dark Energy Survey (DES) DR10, overexposed here to highlight stars outside the galaxy disks. These galaxies are interacting, and NGC 128 is counter-rotating (Chung+ 2012). #astronomy #extragalactic

The NGC 128 galaxy group as seen in a deep optical image from the Dark Energy Survey. Red ellipses indicate the bright disks of catalogued group galaxies in the image.

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 28

Three of the spiral galaxies shown are part of the famous Grus Quartet which is rich in neutral hydrogen gas (black and blue contours from ATCA and Parkes, respectively). Hydrogen bridges between galaxies as well as tidal tails highlight their interaction history.

Optical image of the galaxy group known as the Grus Quartet with their names overlaid. Hydrogen emission (HI) is shown at low resolution (coloured blue, from HIPASS taken with the 64-m Parkes telescope) and at high resolution (coloured black, from the Australia Telescope Compact Array).

Bärbel Koribalski @bskoribalski.bsky.social · Dec 25

Merry Christmas everyone :)

Two antennas of the Australia Telescope Compact Array (ATCA), here just 30m apart and illuminated by the setting Sun. Both antennas are decorated with Santa hats.

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 24

Santa on his way ... originally posted 10 yrs ago (wow !!), when we started the ATNF Daily Astronomy Picture (ADAP) * www.atnf.csiro.au/daily-pictur... #astronomy #radioastronomy #adap #xmas

Photo of the 64-m Parkes radio telescope pointing to a source low on the horizon. I decorated it with a Santa hat, Xmas tree and a sled drawn by four reindeers. Santa on his way ...

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 22

Congrats Manisha Caleb, @elenchically.bsky.social @astromelow.bsky.social and many others 🤩 Great to see this ASKAP discovery being highlighted here ! #radioastronomy #astronomy

Nature Astronomy @natastron.nature.com · Dec 21

The winner of cover of the year for 2024 is the September cover connected to the Caleb, Lenc et al. paper! www.nature.com/articles/s41... Congratulations to all involved, particularly Carl Knox @ozgrav.bsky.social and @csiro.bsky.social #NAstroCoverComp #astronomy

This image shows the cover image for the September issue of Nature Astronomy, featuring the ASKAP telescope pointing at a night sky that is split half and half. The left half features a pulsar, with curling purple magnetic field lines; the right half a white dwarf against a starry backdrop.

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 21

4/5 GALEX ultra-violet (UV) data show star formation (SF) in the disk of M83 as well as its outskirts. These types of large UV-disks are referred as XUV disks, where dense clumps of neutral hydrogen pinpoint SF in the disk outskirts. #astronomy #extragalactic #radioastronomy

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 18

René Magritte's "The Kiss" at the NSW Art Gallery - amazing exhibition, loved strolling the rooms and reading about the artist and his works * www.artgallery.nsw.gov.au/whats-on/exh... #bluesky

A super-sized dove flying over the ocean, filled with blue sky and white clouds. One of Rene Magritte's amazing art works.

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 17

3/5 The hydrogen envelope of spiral galaxies typically extends well beyond their stellar disks. M83 is a great example of this as shown below. There is a lot happening in the outer HI disk, likely evidence of interactions with neighbours. #radioastronomy #extragalactic #astronomy #spiral #galaxies

Composite image showing the optical image of the galaxy M83 on the left and the neutral hydrogen (HI) image - coloured blue to red - on the right. The HI data are from the Local Volume HI Survey (LVHIS) * https://sites.google.com/view/baerbelkoribalski/projects/lvhis

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Bärbel Koribalski @bskoribalski.bsky.social · Dec 17

2/5 Deep optical images of M83 (NGC 5236) by Robert Gendler (left) and David Malin (right, 1987) reveal the faint stellar light including a southern spur and northern stream. The latter is likely an accreted dwarf galaxy. * David Malin's image archive: images.datacentral.org.au/malin/DEEP/153

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