Recent content by ageorge95

Okay so I have decided to conduct a spectroscopy of a star. Does anyone know of a clear step by step procedure to do this?

Thanks Phyzguy. I use a school laptop so that's probably why it didn't work.

I was searching about the age metallicity relation that was mentioned when I came across this science journal. A group of scientists investigated this relationship...

Could someone please explain how to actually use a stellar evolution model? Also to the phyzguy, thanks for the link but the link to 1MSun Star did not work. Are there any other links?

Chronos, could you please link me to some stellar evolution models? I'm having trouble finding them.

Thanks Vociferous for the quick reply. I had seen a website about convection but hadn't really understood it. Thanks for clarifying on this. How would I take this into account when calculating the lifespan? You also mentioned that the ratio of hydrogen and helium to the metals can be used...

Can I use the luminosity and spectra of a star to determine its age? So Sirius A has a luminosity of 25.4. From this I can work out the amount of energy it produces every second. Luminosity of Sirius -> 25.4 x 3.826 x 10^26 = 9.718 x 10^26 W...

I know its been a while but does anyone know of a model which shows how a star like sirius changes over time ie. luminosity ?

Thanks a lot Vociferous. I have two questions. 1. How do you derive the colour values from the photos taken using the filters? 2. Do you know of any websites that clearly explain these processes? My teacher has informed that I cannot rely entirely on a forum. I need other sources.

Okay can someone give me a clear step by step procedure as to what to do because I am very confused.

Thank you SHISHKABOB. I think i understand what you're trying to say but I don't think I will be able to do it within 6 months. On th other hand look at this HR diagram with Sirius plotted on it. If I take the length of the main sequence to be 1 billion years the life span of Sirius the length...

If I have understood this correctly. (The length from start to turnoff/ the length from start to finish) * lifespan of star class = age of cluster. Assuming this is right, why can't i do the same with an individual star? Also this is a website that showed how to determine colour...

Thanks Drakkith. I attended a session for astrophotography last year and there is an expert at the school. So I don't think I will have a problem taking photos. I'm just not sure how to extract this information from the photo. Also can anyone answer my second question from my last post. How do...

Thanks Cepheid. So you're saying all I need to do is find the luminosity and colour and apply this to the HR diagram. I only have two questions. 1. How do I measure luminosity and colour using a telescope? 2. How do I convert the point on the HR diagram to the age of the cluster? Sorry for...

Since I cannot find the age of a star individually how would I find the age of a star cluster?