Celestial fairy lights

Esahubble_potw1840a_1024

esahubble_potw1840a October 1st, 2018

Credit: ESA/Hubble & NASA

This glittering ball of stars is the globular cluster NGC 1898, which lies towards the centre of the Large Magellanic Cloud one of our closest cosmic neighbours. The Large Magellanic Cloud is a dwarf galaxy that hosts an extremely rich population of star clusters, making it an ideal laboratory for investigating star formation. Discovered in November 1834 by British astronomer John Herschel, NGC 1898 has been scrutinised numerous times by the NASA/ESA Hubble Space Telescope. Today we know that globular clusters belong to the oldest known objects in the Universe and that they are relics of the first epochs of galaxy formation. While we already have a pretty good picture on the globular clusters of the Milky Way still with many unanswered questions our studies on globular clusters in nearby dwarf galaxies just started. The observations of NGC 1898 will help to determine if their properties are similar to the ones found in the Milky Way, or if they have different features, due to being in a different cosmic environment. This image was taken by Hubbles Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFC3). The WFC3 observes light ranging from near-infrared to near-ultraviolet wavelengths, while the ACS explores the near-infrared to the ultraviolet.

Image Source: https://www.spacetelescope.org/images/potw1840a/

Curator: ESA/Hubble, Garching bei München, None, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

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Image Details

Image Type
Observation
Object Name
Large Magellanic Cloud NGC 1898
Subject - Local Universe
Star > Grouping > Cluster > Globular
Esahubble_potw1840a_128
 

Position Details

Position (ICRS)
RA = 5h 16m 43.1s
DEC = -69° 39’ 23.3”
Orientation
North is 104.7° CCW
Field of View
1.9 x 1.9 arcminutes
Constellation
Dorado

Color Mapping

  Telescope Spectral Band Wavelength
Arrow_left_red Hubble Space Telescope (ACS) Optical (I) 814.0 nm
Arrow_left_green Hubble Space Telescope (ACS) Optical (g) 475.0 nm
Arrow_left_blue Hubble Space Telescope (WFC3) Optical (B) 438.0 nm
Arrow_left_blue Hubble Space Telescope (WFC3) Optical (U) 336.0 nm
Spectrum_base
Arrow_top_red
Arrow_top_green
Arrow_top_blue
Arrow_top_blue
Esahubble_potw1840a_1280
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ID
potw1840a
Subject Category
C.3.6.4.2  
Subject Name
Large Magellanic Cloud, NGC 1898
Credits
ESA/Hubble & NASA
Release Date
2018-10-01T06:00:00
Lightyears
Redshift
Reference Url
https://www.spacetelescope.org/images/potw1840a/
Type
Observation
Image Quality
Distance Notes
Facility
Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument
ACS, ACS, WFC3, WFC3
Color Assignment
Red, Green, Blue, Blue
Band
Optical, Optical, Optical, Optical
Bandpass
I, g, B, U
Central Wavelength
814, 475, 438, 336
Start Time
Integration Time
Dataset ID
None, None, -, None
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
79.1794638346, -69.6564640254
Reference Dimension
2913.0, 2865.0
Reference Pixel
1456.5, 1432.5
Scale
-1.0991592841767124E-05, 1.0991592841767124E-05
Rotation
104.67999999999994
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
None
Postal Code
D-85748
Country
Germany
Rights
Creative Commons Attribution 4.0 International License
Publisher
ESA/Hubble
Publisher ID
esahubble
Resource ID
potw1840a
Metadata Date
2018-03-09T13:26:45+01:00
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.