How to Get Intense Light Star for Spectrum Analysis

In summary, the conversation discusses the desire to obtain a spectrum of starlight with high intensity for diffraction. The suggested method is to use a prism or diffraction grating and a CCD camera to project and capture the light. The most convenient star for this purpose is the Sun, but other stars like Sirius could also be used with longer exposure times. The dangers of directly looking at the Sun or other stars through optics without proper filters are also mentioned.
  • #1
sadegh4137
72
0
i and my friend want to have spectrum of star.
i need star light with high intensity to diffract this.
unfortunately, we don't know how we can have a intense light?

do you know how we can do this?
or
in general, how can we have spectrum of light star?
 
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  • #2
The most convenient star for this purpose is our Sun.
http://en.wikipedia.org/wiki/Fraunhofer_lines
http://pandasthumb.org/archives/2010/07/fraunhofer-line.html

( Prompt Blinding Danger: Do not look at Sun directly or through optics *unless* you have interposed an appropriate 'eclipse-grade' filter. Do not repeat mistake with other eye... ;-)

Beyond that, you could try Sirius, but you may need a long exposure to coax a spectrum from your prism or diffraction grating, and you are unlikely to see 'lines'...
 
  • #3
The best method I THINK would be to project the light through a prism or diffraction grating and onto a CCD camera or something similar. That way you can take a long exposure of the accumulation of light and possibly see it in the picture.
 

FAQ: How to Get Intense Light Star for Spectrum Analysis

What is a light star in spectrum analysis?

A light star is a bright point of light that is used as a reference in spectrum analysis. It is typically a star or other celestial object with a known and consistent spectral signature.

Why is it important to use a light star in spectrum analysis?

A light star is used as a reference because it has a known and consistent spectral signature. This allows scientists to calibrate and compare their data, ensuring accurate and reliable results.

How do I obtain a light star for spectrum analysis?

Light stars can be obtained through various methods such as using a telescope to observe known stars, downloading data from online databases, or using specialized equipment to create artificial light stars.

What factors should I consider when selecting a light star for spectrum analysis?

When selecting a light star for spectrum analysis, it is important to consider its spectral type, distance from Earth, and its brightness. This will ensure that the light star is suitable for the specific analysis being conducted.

Can I use any light source as a light star for spectrum analysis?

No, not all light sources can be used as a light star for spectrum analysis. Only objects with known and consistent spectral signatures, such as stars, can be used. Other light sources may have varying or unknown spectral signatures, making them unsuitable for this purpose.

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