The super star cluster Westerlund 1
eso_eso0510a March 22nd, 2005
Credit: ESO
Composite image of the super star cluster "Westerlund 1" from 2.2-m MPG/ESO Wide-Field Imager (WFI) observations. The image covers a 5 x 5 arcmin sky region and is based on observations made in the V-band (550 nm, 2 min exposure time, associated to the blue channel), R-band (650nm, 1 min, green channel) and I-band (784nm, 18 sec, red channel). Only the central CCD of WFI was used, as the entire cluster fits comfortably inside it. The foreground stars appear blue, while the hot massive members of the cluster look orange, and the cool massive ones come out red.
Provider: European Southern Observatory
Image Source: https://www.eso.org/public/images/eso0510a/
Curator: European Southern Observatory, Garching bei München, Germany
Image Use Policy: Creative Commons Attribution 4.0 International License
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Full Size Image
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JPG (538 KB) Source TIFF (4.58 MB)
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Image Details
Position Details
Color Mapping
- ID
- eso0510a
- Subject Category
- C.3.6.4
- Subject Name
- Westerlund 1
- Credits
- ESO
- Release Date
- 2005-03-22T00:00:00
- Lightyears
- Redshift
- Reference Url
- https://www.eso.org/public/images/eso0510a/
- Type
- Observation
- Image Quality
- Distance Notes
- Facility
- MPG/ESO 2.2-metre telescope, MPG/ESO 2.2-metre telescope, MPG/ESO 2.2-metre telescope
- Instrument
- WFI, WFI, WFI
- Color Assignment
- Red, Green, Blue
- Band
- Infrared, Optical, Optical
- Bandpass
- I, R, V
- Central Wavelength
- 784, 650, 550
- Start Time
- Integration Time
- Dataset ID
- Notes
- Coordinate Frame
- ICRS
- Equinox
- J2000
- Reference Value
- 251.76675, -45.851219
- Reference Dimension
- 1261.0, 1260.0
- Reference Pixel
- 604.568740764, 641.748234874
- Scale
- -6.607267e-05, 6.607267e-05
- Rotation
- -0.05724586659
- Coordinate System Projection:
- TAN
- Quality
- Full
- FITS Header
- Notes
- Creator (Curator)
- European Southern Observatory
- URL
- http://www.eso.org/
- Name
- 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
- European Southern Observatory
- Publisher ID
- eso
- Resource ID
- eso0510a
- Resource URL
- https://www.eso.org/public/archives/images/original/eso0510a.tif
- Related Resources
- Metadata Date
- 2016-07-19T10:00:15+02:00
- Metadata Version
- 1.1
Detailed color mapping information coming soon...
