The discussion revolves around determining the mass of stars in the Pleiades open cluster that have evolved from the main sequence to red giants, considering the cluster's age of approximately 100 million years.
The discussion is ongoing, with participants sharing resources and seeking clarification on the relationships between mass, age, and luminosity of stars. Some guidance has been provided through external links, but no consensus has been reached regarding the approach to take.
Participants mention that they are working with limited information and are unsure if they need to derive relationships or can rely on existing formulas. There is also a reference to the need for specific parameters, such as the temperature and mass of the sun, to normalize relations.
Toad said:If the stars in the Pleiades open cluster are about 100*10^6 years old, how do I find the mass of the stars that evolved away from the main sequence to form red giants? Any suggestions or comments are welcome!
The information I posted above is all I've been given. If there are common formulas for this available, I suppose I don't need to derive them.SpaceTiger said:What are you working from? Do they expect you to derive a relationship between mass and lifetime or just to know it?
Toad said:The information I posted above is all I've been given. If there are common formulas for this available, I suppose I don't need to derive them.
Toad said:Thanks for that page. Is there some way to relate the age of the star to its luminosity? Do I need to do that?