MOS observation of spiral galaxy NGC 4303

Eso_eso0223b_1024

eso_eso0223b August 23rd, 2002

Credit: ESO

The very efficient multi-object-slit observing technique with the multi-mode instrument FORS1 is demonstrated on the Virgo cluster galaxy NGC 4303. Nineteen moveable slits at the instrument focal plane are positioned so that the faint light from several H II regions in this galaxy can pass into the spectrograph, while the much stronger "background" light (from the nearby areas in the galaxy and, to a large extent, from the Earth''s upper atmosphere) is blocked by the mask.

Provider: European Southern Observatory

Image Source: https://www.eso.org/public/images/eso0223b/

Curator: European Southern Observatory, Garching bei München, Germany

Image Use Policy: Creative Commons Attribution 4.0 International License

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Image Details Image Details

Image Type
Observation
Object Name
Messier 61 • NGC 4303
Subject - Local Universe
Nebula > Appearance > Emission > H II Region
Galaxy > Type > Spiral

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Orange VLT (FORS1) Optical -
Eso_eso0223b_1280
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ID
eso0223b
Subject Category
C.4.2.1.1   C.5.1.1  
Subject Name
Messier 61, NGC 4303
Credits
ESO
Release Date
2002-08-23T00:00:00
Lightyears
Redshift
Reference Url
https://www.eso.org/public/images/eso0223b/
Type
Observation
Image Quality
Distance Notes
Distance in light years from NED
Facility
Very Large Telescope
Instrument
FORS1
Color Assignment
Orange
Band
Optical
Bandpass
Central Wavelength
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
Equinox
Reference Value
Reference Dimension
2076.0, 2073.0
Reference Pixel
Scale
Rotation
Coordinate System Projection:
Quality
FITS Header
Notes
Creator (Curator)
European Southern Observatory
URL
http://www.eso.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
European Southern Observatory
Publisher ID
eso
Resource ID
eso0223b
Resource URL
https://www.eso.org/public/archives/images/original/eso0223b.tif
Related Resources
Metadata Date
2009-01-07T16:18:32+01:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

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