Dual Quasar (J0749+2255)

Stsci_2023-002b_1024

stsci_2023-002b April 5th, 2023

Credit: NASA, ESA, Yu-Ching Chen (University of Illinois at Urbana-Champaign)

A Hubble Space Telescope photograph of a pair of quasars that existed when the universe was just 3 billion years old. They are embedded inside a pair of colliding galaxies. The quasars are separated by less than the size of a single galaxy. Quasars are powered by voracious, supermassive black holes blasting out ferocious fountains of energy as they engorge themselves on gas, dust, and anything else within their gravitational grasp. The black holes will eventually merge.

Provider: Space Telescope Science Institute

Image Source: https://hubblesite.org/contents/news-releases/2023/news-2023-002

Curator: STScI, Baltimore, MD, USA

Image Use Policy: http://stsci.edu/copyright/

View Options View Options

Image Details Image Details

Image Type
Observation
Object Name
J0749+2255
Subject - Distant Universe
Galaxy > Activity > AGN > Quasar

Distance Details Distance

Universescale3
10,661,000,000 light years

Position Details Position Details

Position (ICRS)
RA = 7h 49m 23.0s
DEC = 22° 55’ 11.8”
Constellation
Gemini

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Cyan Hubble (WFC3/UVIS) Optical (B) 475.0 nm
Orange Hubble (WFC3/UVIS) Optical (I) 814.0 nm
Spectrum_base
Cyan
Orange
Stsci_2023-002b_1280
×
ID
2023-002b
Subject Category
D.5.3.2.1  
Subject Name
J0749+2255
Credits
NASA, ESA, Yu-Ching Chen (University of Illinois at Urbana-Champaign)
Release Date
2023-04-05
Lightyears
10,661,000,000
Redshift
2.17
Reference Url
https://hubblesite.org/contents/news-releases/2023/news-2023-002
Type
Observation
Image Quality
Good
Distance Notes
distance in light-years; redshift
Facility
Hubble, Hubble
Instrument
WFC3/UVIS, WFC3/UVIS
Color Assignment
Cyan, Orange
Band
Optical, Optical
Bandpass
B, I
Central Wavelength
475, 814
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
Reference Value
117.3456917, 22.9199361
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
Position
FITS Header
Notes
Creator (Curator)
STScI
URL
http://stsci.edu
Name
Space Telescope Science Institute Office of Public Outreach
Email
outreach@stsci.edu
Telephone
410-338-4444
Address
3700 San Martin Drive
City
Baltimore
State/Province
MD
Postal Code
21218
Country
USA
Rights
http://stsci.edu/copyright/
Publisher
STScI
Publisher ID
stsci
Resource ID
STSCI-H-p23002b-f-920x920.tif
Metadata Date
2024-01-08T13:19:02-05:00
Metadata Version
1.2
×

 

Detailed color mapping information coming soon...

×
Universescalefull
10,661,000,000 light years

Providers | Sign In