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I'm not convinced that the second light curve shown on the page, which presents the AAVSO data from 1 Jan 2008 to 17 Nov 2010, is captioned correctly. The caption attributes the brightness variation to pulsations of the red giant star, but the period seems to match the orbital period of the binary system. Also, this paper: https://www.aavso.org/news/t-crb-pre-eruption-dip shows a more uniformly sampled AAVSO light curve and attributes the variation to ellipsoidal variability. Does anyone believe that the variations shown in the plot are actually due to the giant star's pulsation? PopePompus ( talk) 20:54, 8 March 2024 (UTC)
I think is not correct that the white dwarf has 100 solar L. The paper indicates < 100 L for de hot component of the system. But it's referring to an accretion disc. — Preceding unsigned comment added by 37.223.164.63 ( talk) 14:59, 17 March 2024 (UTC)
I came here in light of the increasing amount of Internet chatter about when T CrB's next eruption is likely to happen. What I'm seeing suggests it could be pretty soon, and while I am not an astronomer, I'd happily keep an eye open each evening for this thing, provided that means at most a month or two of evenings, not a year or two. So, WP was my primary sanity checker in that respect.
Now the article's current lead does mention the next "outburst", but only that it is expected "possibly in 2025, and almost certainly before the end of 2026". It's also mentioned at the very end of the main article, and date of as early as March 2024 is mentioned, but it's still in the context of a range going out to October 2026.
So none of that reflects the more recent chatter which suggests the event could be much sooner than 2025/26; maybe as soon as September of this year (2024), and -- more to my point -- perhaps even within the next few weeks or a month (time of writing is June 23rd). (In fact I've seen it measured in days, although how on earth it's possible to have that level of precision for something almost 3,000 light years away is beyond me).
But as I said, I am not an astronomer, so I can't assess whether the chatter is nothing more than that, or if it is valid and reaches the level of a Reliable source. But presumably a regular editor here could? To help there, I note that NASA themselves mention the September 2024 date, and AAVSO explain why it could be as soon as is being said, mentioning (back in 2023) that T CrB had just started it's "pre-eruption dip". And here's another commentary, from a UKY student observatory. I personally doubt that any of those merits the label "chatter", and in fact they all look RS-ish to me. And I don't think this kind of information is what is meant to come under the likes of WP:BREAKING, WP:RSBREAKING, or WP:RECENTISM. But I leave it to y'all expert-type people to decide if any change in the article is warranted. Sleety Dribble ( talk) 18:29, 23 June 2024 (UTC)
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Hello fellow Wikipedians,
I have just modified one external link on T Coronae Borealis. 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:
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(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 12:41, 7 January 2018 (UTC)
I'm not convinced that the second light curve shown on the page, which presents the AAVSO data from 1 Jan 2008 to 17 Nov 2010, is captioned correctly. The caption attributes the brightness variation to pulsations of the red giant star, but the period seems to match the orbital period of the binary system. Also, this paper: https://www.aavso.org/news/t-crb-pre-eruption-dip shows a more uniformly sampled AAVSO light curve and attributes the variation to ellipsoidal variability. Does anyone believe that the variations shown in the plot are actually due to the giant star's pulsation? PopePompus ( talk) 20:54, 8 March 2024 (UTC)
I think is not correct that the white dwarf has 100 solar L. The paper indicates < 100 L for de hot component of the system. But it's referring to an accretion disc. — Preceding unsigned comment added by 37.223.164.63 ( talk) 14:59, 17 March 2024 (UTC)
I came here in light of the increasing amount of Internet chatter about when T CrB's next eruption is likely to happen. What I'm seeing suggests it could be pretty soon, and while I am not an astronomer, I'd happily keep an eye open each evening for this thing, provided that means at most a month or two of evenings, not a year or two. So, WP was my primary sanity checker in that respect.
Now the article's current lead does mention the next "outburst", but only that it is expected "possibly in 2025, and almost certainly before the end of 2026". It's also mentioned at the very end of the main article, and date of as early as March 2024 is mentioned, but it's still in the context of a range going out to October 2026.
So none of that reflects the more recent chatter which suggests the event could be much sooner than 2025/26; maybe as soon as September of this year (2024), and -- more to my point -- perhaps even within the next few weeks or a month (time of writing is June 23rd). (In fact I've seen it measured in days, although how on earth it's possible to have that level of precision for something almost 3,000 light years away is beyond me).
But as I said, I am not an astronomer, so I can't assess whether the chatter is nothing more than that, or if it is valid and reaches the level of a Reliable source. But presumably a regular editor here could? To help there, I note that NASA themselves mention the September 2024 date, and AAVSO explain why it could be as soon as is being said, mentioning (back in 2023) that T CrB had just started it's "pre-eruption dip". And here's another commentary, from a UKY student observatory. I personally doubt that any of those merits the label "chatter", and in fact they all look RS-ish to me. And I don't think this kind of information is what is meant to come under the likes of WP:BREAKING, WP:RSBREAKING, or WP:RECENTISM. But I leave it to y'all expert-type people to decide if any change in the article is warranted. Sleety Dribble ( talk) 18:29, 23 June 2024 (UTC)