Coronal Fe XIII emission line in CN Leonis

Eso_eso0127d_1024

eso_eso0127d August 1st, 2001

Credit: ESO

This chart represents a "decomposition" of an emission line at wavelength 3388.1 Ångstrom (338.81 nm) into two components. The observed spectral intensity is indicated by the ''step''-curve (in blue). As will be seen, the sum (fully drawn red line) of a strong and narrow line from titanium ions (Ti II) in the stellar chromosphere (dashed, in red) and an underlying, much broader, coronal line from 12 times ionised iron (Fe XIII; dashed, in red, slightly to the right of the titanium line) fits the observed spectral intensity curve perfectly.

Provider: European Southern Observatory

Image Source: https://www.eso.org/public/images/eso0127d/

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
CN Leonis
Subject - Milky Way
Star > Type > Variable > Flare Star

Color Mapping Details Color Mapping

  Telescope Spectral Band Wavelength
Grayscale VLT (UVES) Ultraviolet (U) 338.0 nm
Spectrum_base
Grayscale
Eso_eso0127d_1280
×
ID
eso0127d
Subject Category
B.3.2.1.4  
Subject Name
CN Leonis
Credits
ESO
Release Date
2001-08-01T00:00:00
Lightyears
Redshift
Reference Url
https://www.eso.org/public/images/eso0127d/
Type
Observation
Image Quality
Distance Notes
Facility
Very Large Telescope
Instrument
UVES
Color Assignment
Grayscale
Band
Ultraviolet
Bandpass
U
Central Wavelength
338
Start Time
Integration Time
Dataset ID
Notes
Coordinate Frame
Equinox
Reference Value
Reference Dimension
800.0, 726.0
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
eso0127d
Resource URL
https://www.eso.org/public/archives/images/original/eso0127d.tif
Related Resources
Metadata Date
2010-02-26T12:58:54+01:00
Metadata Version
1.1
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Detailed color mapping information coming soon...

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