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Alpha Mensae is a bit of an anomaly. It is about 10% more massive than the sun and slightly older. Therefore, it should be decidedly more evolved. The spectral type is in close agreement here (0.5 classes cooler) but the luminosity is below the solar value. Even if we use the rule of thumb, that luminosity is proportional to m^3.5, and disregard hydrogen depletion, Alpha Mensae should have >1.35 times the sun's luminosity. The imminent giant phase exacerbates that further. Is there any mention of that issue in scientific literature or papers, which could add to the article and explain why alpha Mensae is rather dim? - ¡Ouch! ( hurt me / more pain) 15:36, 23 June 2017 (UTC)
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Alpha Mensae is a bit of an anomaly. It is about 10% more massive than the sun and slightly older. Therefore, it should be decidedly more evolved. The spectral type is in close agreement here (0.5 classes cooler) but the luminosity is below the solar value. Even if we use the rule of thumb, that luminosity is proportional to m^3.5, and disregard hydrogen depletion, Alpha Mensae should have >1.35 times the sun's luminosity. The imminent giant phase exacerbates that further. Is there any mention of that issue in scientific literature or papers, which could add to the article and explain why alpha Mensae is rather dim? - ¡Ouch! ( hurt me / more pain) 15:36, 23 June 2017 (UTC)
Hello fellow Wikipedians,
I have just modified one external link on Alpha Mensae. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
This message was posted before February 2018.
After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than
regular verification using the archive tool instructions below. Editors
have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the
RfC before doing mass systematic removals. This message is updated dynamically through the template {{
source check}}
(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 19:23, 2 July 2017 (UTC)