Hubble Uncovers the Farthest Star Ever Seen

Stsci_2018-13a_1024

stsci_2018-13a April 2nd, 2018

Credit: NASA, ESA, and P. Kelly (University of Minnesota)

Through a quirk of nature called “gravitational lensing,” a natural lens in space amplified a very distant star’s light. Astronomers using Hubble took advantage of this phenomenon to pinpoint the faraway star and set a new distance record for the farthest individual star ever seen. They also used the distant star to test one theory of dark matter, and to probe the make-up of a galaxy cluster. The team dubbed the star “Icarus,” after the Greek mythological character who flew too near the Sun on wings of feathers and wax that melted. Its official name is MACS J1149+2223 Lensed Star 1.

Provider: Space Telescope Science Institute

Image Source: https://hubblesite.org/contents/news-releases/2018/news-2018-13

Curator: STScI, Baltimore, MD, USA

Image Use Policy: http://hubblesite.org/copyright/

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Image Details Image Details

Image Type
Collage
Object Name
MACS J1149+2223 Lensed Star 1
Subject - Distant Universe
Star > Evolutionary Stage > Blue Supergiant
Galaxy > Grouping > Cluster

Distance Details Distance

Universescale3
9,400,000,000 light years

Position Details Position Details

Position (ICRS)
RA = 11h 49m 35.7s
DEC = 22° 23’ 48.1”
Constellation
Leo

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Blue Hubble (ACS/WFC) Optical (V) 606.0 nm
Blue Hubble (ACS/WFC) Optical (I) 814.0 nm
Green Hubble (WFC3/IR) Infrared (Y) 1.1 µm
Green Hubble (WFC3/IR) Infrared (J) 1.3 µm
Red Hubble (WFC3/IR) Infrared (JH) 1.4 µm
Red Hubble (WFC3/IR) Infrared (H) 1.6 µm
Spectrum_base
Blue
Blue
Green
Green
Red
Red
Stsci_2018-13a_1280
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ID
2018-13a
Subject Category
D.3.1.6   D.5.5.3  
Subject Name
MACS J1149+2223 Lensed Star 1
Credits
NASA, ESA, and P. Kelly (University of Minnesota)
Release Date
2018-04-02T00:00:00
Lightyears
9,400,000,000
Redshift
1.5
Reference Url
https://hubblesite.org/contents/news-releases/2018/news-2018-13
Type
Collage
Image Quality
Good
Distance Notes
distance is to lensed star; cluster distance is 5 billion light years
Facility
Hubble, Hubble, Hubble, Hubble, Hubble, Hubble
Instrument
ACS/WFC, ACS/WFC, WFC3/IR, WFC3/IR, WFC3/IR, WFC3/IR
Color Assignment
Blue, Blue, Green, Green, Red, Red
Band
Optical, Optical, Infrared, Infrared, Infrared, Infrared
Bandpass
V, I, Y, J, JH, H
Central Wavelength
606, 814, 1050, 1250, 1400, 1600
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
Reference Value
177.3985875, 22.3966861
Reference Dimension
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
Position
FITS Header
Notes
Creator (Curator)
STScI
URL
http://hubblesite.org
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://hubblesite.org/copyright/
Publisher
STScI
Publisher ID
stsci
Resource ID
STSCI-H-p1813a-f-4500x3000.tif
Metadata Date
2021-12-14T09:21:21-05:00
Metadata Version
1.2
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Detailed color mapping information coming soon...

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Universescalefull
9,400,000,000 light years

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