Star clusters near the center of the galaxy

Esahubble_opo9930b_1024

esahubble_opo9930b September 16th, 1999

Credit: Don Figer ( Space Telescope Science Institute) and NASA/ESA

The Arches cluster is so dense that over 100,000 of its stars would fill a spherical region in space whose radius is the distance between the Sun and its nearest neighbor, the star Alpha Centauri, 4.3 light-years away. At least 150 of its stars are among the brightest ever seen in the Galaxy.

Provider: Hubble Space Telescope | ESA

Image Source: https://www.spacetelescope.org/images/opo9930b/

Curator: ESA/Hubble, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

Image Details

Image Type
Observation
Object Name
Arches Cluster
Subject - Milky Way
Star > Grouping > Cluster
Esahubble_opo9930b_128
 

Position Details

Position (ICRS)
RA = 17h 45m 50.3s
DEC = -28° 49’ 21.1”
Orientation
North is 45.5° CW
Field of View
0.6 x 0.6 arcminutes
Constellation
Sagittarius

Color Mapping

  Telescope Spectral Band Wavelength
Hubble (NICMOS) Infrared (Near-IR) 2.1 µm
Hubble (NICMOS) Infrared (Pa-alpha) 1.9 µm
Hubble (NICMOS) Infrared (H) 1.6 µm
Hubble (NICMOS) Infrared (J) 1.1 µm
Spectrum_base
Esahubble_opo9930b_1280
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ID
opo9930b
Subject Category
B.3.6.4  
Subject Name
Arches Cluster
Credits
Don Figer ( Space Telescope Science Institute) and NASA/ESA
Release Date
1999-09-16T15:00:00
Lightyears
Redshift
Reference Url
https://www.spacetelescope.org/images/opo9930b/
Type
Observation
Image Quality
Distance Notes
Distance in light years from: http://iopscience.iop.org/0004-637X/675/2/1278
Facility
Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope, Hubble Space Telescope
Instrument
NICMOS, NICMOS, NICMOS, NICMOS
Color Assignment
Band
Infrared, Infrared, Infrared, Infrared
Bandpass
Near-IR, Pa-alpha, H, J
Central Wavelength
2050, 1870, 1600, 1100
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
ICRS
Equinox
J2000
Reference Value
266.459537314, -28.8225304291
Reference Dimension
505.0, 507.0
Reference Pixel
252.5, 253.5
Scale
-2.10757988872e-05, 2.10757988872e-05
Rotation
-45.539999999999957
Coordinate System Projection:
TAN
Quality
Full
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
Postal Code
D-85748
Country
Germany
Rights
Creative Commons Attribution 4.0 International License
Publisher
ESA/Hubble
Publisher ID
esahubble
Resource ID
opo9930b
Metadata Date
2003-12-09T17:54:42+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.

 

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