Hubble Spies a Galactic Gem

Esahubble_potw2227a_1024

esahubble_potw2227a July 4th, 2022

Credit:  ESA/Hubble & NASA, W. Keel

This NASA/ESA Hubble Space Telescope observation has captured the galaxy CGCG 396-2, an unusual multi-armed galaxy merger which lies around 520 million light-years from Earth in the constellation Orion.  This observation is a gem from the Galaxy Zoo project, a citizen science project in which hundreds of thousands of volunteers classified galaxies to help scientists solve a problem of astronomical proportions — how to sort through the vast amounts of data generated by robotic telescopes. Following a public vote, a selection of the most astronomically intriguing objects from the Galaxy Zoo were selected for follow-up observations with Hubble. CGCG 396-2 is one such object, and was captured in this image by Hubble’s Advanced Camera for Surveys. The Galaxy Zoo project originated when an astronomer was set an impossibly mind-numbing task; classifying more than 900 000 galaxies by eye. By making a web interface and inviting citizen scientists to contribute to the challenge, the Galaxy Zoo team was able to crowdsource the analysis, and within six months a legion of 100 000 volunteer citizen astronomers had contributed more than 40 million galaxy classifications. Since its initial success, the Galaxy Zoo project and its successor projects have contributed to more than 100 peer-reviewed scientific articles and led to a rich variety of intriguing astronomical discoveries above and beyond their initial goals. The success of the project also inspired more than 100 citizen science projects on the Zooniverse portal, ranging from analysing data from the ESA Rosetta spacecraft's visit to Comet 67P/Churyumov–Gerasimenko to counting killer whales around remote Alaskan islands! Links Video of Hubble Spies a Galactic Gem

Provider: Hubble Space Telescope | ESA

Image Source: https://esahubble.org/images/potw2227a/

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

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
PGC 17532
Subject - General
Galaxy > Type > Gravitationally Lensed
Esahubble_potw2227a_128
 

Position Details

Position (ICRS)
RA = 5h 37m 34.0s
DEC = 1° 20’ 2.4”
Orientation
North is 0.7° CCW
Field of View
2.4 x 1.9 arcminutes
Constellation
Orion

Color Mapping

  Telescope Spectral Band Wavelength
Luminosity Hubble (ACS) Optical (V) 606.0 nm
Purple SDSS (None) Optical (u) 354.0 nm
Blue SDSS (None) Optical (G) 477.0 nm
Green SDSS (None) Optical (R) 623.0 nm
Yellow SDSS (None) Optical (I) 762.0 nm
Red SDSS (None) Optical (Z) 913.0 nm
Spectrum_base
Luminosity
Purple
Blue
Green
Yellow
Red
Esahubble_potw2227a_1280
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ID
potw2227a
Subject Category
E.5.1.8  
Subject Name
PGC 17532
Credits
 ESA/Hubble & NASA, W. Keel
Release Date
2022-07-04T06:00:00
Lightyears
Redshift
Reference Url
https://esahubble.org/images/potw2227a/
Type
Observation
Image Quality
Distance Notes
Facility
Hubble Space Telescope, SDSS, SDSS, SDSS, SDSS, SDSS
Instrument
ACS, None, None, None, None, None
Color Assignment
Luminosity, Purple, Blue, Green, Yellow, Red
Band
Optical, Optical, Optical, Optical, Optical, Optical
Bandpass
V, u, G, R, I, Z
Central Wavelength
606, 354, 477, 623, 762, 913
Start Time
Integration Time
Dataset ID
None, None, None, None, None, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
84.39163913216265, 1.3339901291092269
Reference Dimension
2908.0, 2314.0
Reference Pixel
1454.0, 1157.0
Scale
-1.3862452198362694e-05, 1.3862452198362694e-05
Rotation
0.74000000000000032
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
potw2227a
Metadata Date
2022-06-28T02:29:56+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.