Monster in the deep

Esahubble_potw1818a_1024

esahubble_potw1818a April 30th, 2018

Credit: ESA/Hubble & NASA Acknowledgement: Judy Schmidt

Though the bright, light-speckled foreground galaxy on the left is eye-catching, it is far from the most intriguing object in this NASA/ESA Hubble Space Telescope image. In the upper part of the frame, the light from distant galaxies has been smeared and twisted into odd shapes, arcs, and streaks. This phenomenon indicates the presence of a giant galaxy cluster, which is bending the light coming from the galaxies behind it with its monstrous gravitational influence. This cluster, called SDSSJ0150+2725, lies some three billion light-years away and was first documented by the Sloan Digital Sky Survey (SDSS), hence its name. The SDSS uses a 2.5-metre optical telescope located at the Apache Point Observatory in New Mexico to observe millions of objects and create detailed 3D maps of the Universe. This particular cluster was part of the Sloan Giant Arcs Survey (SGAS), which detected galaxy clusters with strong lensing properties; their gravity stretches and warps the light of more distant galaxies sitting behind them, creating weird and spectacular arcs such as those seen here. The Hubble data on of SDSSJ0150+2725 were part of a study of star formation in brightest cluster galaxies (called BCGs), lying between approximately 2 and 6 billion light-years away. This study found the star formation rate in these galaxies to be low, which is consistent with models that suggest that most stars in such galaxies form very early on. These BCGs also emit strong radio signals thought to be from active galactic nuclei (AGN) at their centers, suggesting that the activity from both the AGN and any ongoing star formation is fuelled by cold gas found within the host galaxies.

Provider: Hubble Space Telescope | ESA

Image Source: https://www.spacetelescope.org/images/potw1818a/

Curator: ESA/Hubble, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

View Options

Image Details

Image Type
Observation
Object Name
SDSSJ0150+2725
Subject - Distant Universe
Galaxy > Grouping > Cluster
Cosmology > Phenomenon > Lensing
Esahubble_potw1818a_128
 

Position Details

Position (ICRS)
RA = 1h 49m 59.8s
DEC = 27° 26’ 4.0”
Orientation
North is 112.3° CW
Field of View
2.0 x 1.8 arcminutes
Constellation
Triangulum

Color Mapping

  Telescope Spectral Band Wavelength
Arrow_left_red Hubble Space Telescope (WFC3) Optical (I) 814.0 nm
Arrow_left_green Hubble Space Telescope (WFC3) Optical (V) 606.0 nm
Arrow_left_blue Hubble Space Telescope (WFC3) Optical (C) 390.0 nm
Spectrum_base
Arrow_top_red
Arrow_top_green
Arrow_top_blue
Esahubble_potw1818a_1280
×
ID
potw1818a
Subject Category
D.5.5.3   D.6.2.1  
Subject Name
SDSSJ0150+2725
Credits
ESA/Hubble & NASA Acknowledgement: Judy Schmidt
Release Date
2018-04-30T06:00:00
Lightyears
Redshift
Reference Url
https://www.spacetelescope.org/images/potw1818a/
Type
Observation
Image Quality
Distance Notes
Facility
Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument
WFC3, WFC3, WFC3
Color Assignment
Red, Green, Blue
Band
Optical, Optical, Optical
Bandpass
I, V, C
Central Wavelength
814, 606, 390
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
27.4990260873, 27.4344425082
Reference Dimension
3085.0, 2764.0
Reference Pixel
1542.5, 1382.0
Scale
-1.101387586633275E-05, 1.101387586633275E-05
Rotation
-112.28000000000006
Coordinate System Projection:
TAN
Quality
Position
FITS Header
Notes
Creator (Curator)
ESA/Hubble
URL
http://www.spacetelescope.org
Name
Email
Telephone
Address
Karl-Schwarzschild-Strasse 2
City
Garching bei München
State/Province
Postal Code
D-85748
Country
Germany
Rights
Creative Commons Attribution 4.0 International License
Publisher
ESA/Hubble
Publisher ID
esahubble
Resource ID
potw1818a
Metadata Date
2018-02-26T09:07:23+01:00
Metadata Version
1.1
×

 

Detailed color mapping information coming soon...

×

There is no distance meta data in this image.