Ghostly galactic jellyfish

Esahubble_potw2318a_1024

esahubble_potw2318a May 1st, 2023

Credit: ESA/Hubble & NASA, M. Gullieuszik and the GASP team

The jellyfish galaxy JO175 appears to hang suspended in this image from the NASA/ESA Hubble Space Telescope. This galaxy lies over 650 million light-years from Earth in the appropriately-named constellation Telescopium, and was captured in crystal-clear detail by Hubble’s Wide Field Camera 3. A handful of more distant galaxies are lurking throughout the scene, and a bright four-pointed star lies to the lower right side. Jellyfish galaxies get their unusual name from the tendrils of star-forming gas and dust that trail behind them, just like the tentacles of a jellyfish. These bright tendrils contain clumps of star formation and give jellyfish galaxies a particularly striking appearance. Unlike their ocean-dwelling namesakes, jellyfish galaxies make their homes in galaxy clusters, and the pressure of the tenuous superheated plasma that permeates these galaxy clusters is what draws out the jellyfish galaxies’ distinctive tendrils. Hubble recently completed a deep dive into jellyfish clusters, specifically the star-forming clumps of gas and dust that stud their tendrils. By studying the origins and fate of the stars in these clumps, astronomers hoped to better understand the processes underpinning star formation elsewhere in the Universe. Interestingly, their research suggests that star formation in the discs of galaxies is similar to star formation in the extreme conditions found in the tendrils of jellyfish galaxies. [Image Description: A spiral galaxy. Its spiral arms are studded with many pink spots, especially around the top of the galaxy. One arm is sticking out below the galaxy. From it and around the bottom of the galaxy, faint gas streams away, while little gas is visible above the galaxy. The galaxy is quite small in the centre of a dark background, where a few smaller galaxies of various shapes and sizes hang.] Links Pan: Ghostly galactic jellyfish

Provider: Hubble Space Telescope | ESA

Image Source: https://esahubble.org/images/potw2318a/

Curator: ESA/Hubble, Baltimore, MD, United States

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Esahubble_potw2318a_128
 

Position Details

Position (ICRS)
RA = 20h 51m 18.5s
DEC = -52° 49’ 20.6”
Orientation
North is 76.9° CCW
Field of View
2.5 x 1.3 arcminutes
Constellation
Indus

Color Mapping

  Telescope Spectral Band Wavelength
Purple Hubble (WFC3) Ultraviolet (UV) 275.0 nm
Blue Hubble (WFC3) Optical (U) 336.0 nm
Cyan Hubble (WFC3) Optical (V) 606.0 nm
Red Hubble (WFC3) Optical (H-alpha + NII) 680.0 nm
Yellow Hubble (WFC3) Optical (I) 814.0 nm
Red Hubble (WFC3) Optical (H-alpha) 656.0 nm
Spectrum_base
Purple
Blue
Cyan
Red
Yellow
Red
Esahubble_potw2318a_1280
×
ID
potw2318a
Subject Category
Subject Name
Credits
ESA/Hubble & NASA, M. Gullieuszik and the GASP team
Release Date
2023-05-01T06:00:00
Lightyears
Redshift
Reference Url
https://esahubble.org/images/potw2318a/
Type
Observation
Image Quality
Distance Notes
Facility
Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument
WFC3, WFC3, WFC3, WFC3, WFC3, WFC3
Color Assignment
Purple, Blue, Cyan, Red, Yellow, Red
Band
Ultraviolet, Optical, Optical, Optical, Optical, Optical
Bandpass
UV, U, V, H-alpha + NII, I, H-alpha
Central Wavelength
275, 336, 606, 680, 814, 656
Start Time
Integration Time
Dataset ID
None, None, None, None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
312.82688323442807, -52.822385934341
Reference Dimension
3780.0, 1967.0
Reference Pixel
1890.0, 983.5
Scale
-1.1100920066323188e-05, 1.1100920066323188e-05
Rotation
76.860000000000042
Coordinate System Projection:
TAN
Quality
Full
FITS Header
Notes
Creator (Curator)
ESA/Hubble
URL
https://esahubble.org
Name
Email
Telephone
Address
ESA Office, Space Telescope Science Institute, 3700 San Martin Dr
City
Baltimore
State/Province
MD
Postal Code
21218
Country
United States
Rights
Creative Commons Attribution 4.0 International License
Publisher
ESA/Hubble
Publisher ID
esahubble
Resource ID
potw2318a
Metadata Date
2023-04-28T12:46:48+02:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

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There is no distance meta data in this image.

 

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