Galactic Overlap

Esahubble_potw2236a_1024

esahubble_potw2236a September 5th, 2022

Credit: ESA/Hubble & NASA, W. Keel

Two overlapping spiral galaxies are pictured in this image from the NASA/ESA Hubble Space Telescope. The two galaxies, which have the uninspiring names SDSS J115331 and LEDA 2073461, lie more than a billion light-years from Earth. Despite appearing to collide in this image, the alignment of the two galaxies is likely just by chance — the two are not actually interacting. While these two galaxies might simply be ships that pass in the night, Hubble has captured a dazzling array of interacting galaxies in the past. This image is one of many Hubble observations delving into highlights of the Galaxy Zoo project. Originally established in 2007, the Galaxy Zoo project and its successors are massive citizen science projects which crowdsource galaxy classifications from a pool of hundreds of thousands of volunteers. These volunteers classify galaxies imaged by robotic telescopes and are often the first to ever set eyes on an astronomical object.  Over the course of the original Galaxy Zoo project, volunteers discovered a menagerie of weird and wonderful galaxies such as unusual 3-armed spiral galaxies and colliding ring galaxies. The astronomers coordinating the project applied for Hubble time to observe the most unusual inhabitants of the Galaxy Zoo — but true to the project’s crowdsourced roots, the list of targets was chosen by a public vote. Links Video of A Galactic Overlap

Provider: Hubble Space Telescope | ESA

Image Source: https://esahubble.org/images/potw2236a/

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

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
LEDA 2073461
Subject - General
Galaxy > Type > Spiral
Esahubble_potw2236a_128
 

Position Details

Position (ICRS)
RA = 11h 53m 31.5s
DEC = 36° 0’ 22.8”
Orientation
North is 33.8° CCW
Field of View
2.9 x 1.6 arcminutes
Constellation
Ursa Major

Color Mapping

  Telescope Spectral Band Wavelength
Purple SDSS (None) Optical (u) 354.0 nm
Blue SDSS (None) Optical (G) 477.0 nm
Blue Blanco-4m (DECam) Optical (G) 474.0 nm
Green SDSS (None) Optical (R) 623.0 nm
Green Blanco-4m (DECam) Optical (R) 644.0 nm
Yellow SDSS (None) Infrared (I) 726.0 nm
Red SDSS (None) Optical (Z) 913.0 nm
Red Blanco-4m (DECam) Optical (Z) 919.0 nm
Luminosity Hubble (ACS) Optical (V) 606.0 nm
Spectrum_base
Purple
Blue
Blue
Green
Green
Yellow
Red
Red
Luminosity
Esahubble_potw2236a_1280
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ID
potw2236a
Subject Category
E.5.1.1  
Subject Name
LEDA 2073461
Credits
ESA/Hubble & NASA, W. Keel
Release Date
2022-09-05T06:00:00
Lightyears
Redshift
Reference Url
https://esahubble.org/images/potw2236a/
Type
Observation
Image Quality
Distance Notes
Facility
SDSS, SDSS, Víctor M. Blanco 4-meter Telescope, SDSS, Víctor M. Blanco 4-meter Telescope, SDSS, SDSS, Víctor M. Blanco 4-meter Telescope, Hubble Space Telescope
Instrument
None, None, DECam, None, DECam, None, None, DECam, ACS
Color Assignment
Purple, Blue, Blue, Green, Green, Yellow, Red, Red, Luminosity
Band
Optical, Optical, Optical, Optical, Optical, Infrared, Optical, Optical, Optical
Bandpass
u, G, G, R, R, I, Z, Z, V
Central Wavelength
354, 477, 474, 623, 644, 726, 913, 919, 606
Start Time
Integration Time
Dataset ID
None, None, None, None, None, None, None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
178.38128237582634, 36.00632249570849
Reference Dimension
3493.0, 1965.0
Reference Pixel
1746.5, 982.5
Scale
-1.389368309565048e-05, 1.389368309565048e-05
Rotation
33.819999999999837
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
potw2236a
Metadata Date
2022-08-29T20:54:02+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.