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WP:RM

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The planet is nicknamed as Millennium Planet, not just Millennium. So, if this article is moved, it should be named accordingly. --Jyril 08:55, Mar 25, 2005 (UTC)

It was requested that this article be renamed but there was no consensus for it to be moved. violet/riga (t) 22:06, 30 Mar 2005 (UTC)

The above discussion is preserved as an archive of the debate. Please do not modify it. Subsequent comments should be made in a new section on this talk page. No further edits should be made to this section.

reverse tidal locking

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The star Tau Boötis A, around which the planet Tau Boötis Ab orbits, is tidally locked by Tau Boötis Ab; this is apparently the only known instance of a star being tidally locked by a planet, rather than the other way around. Perhaps someone should write a section on this? I'd do it but I don't know enough about astronomy to do it properly. There's a short paragraph about it on the pages for Tau Boötis (the star) and tidal locking, but not much - it seems like a topic which could be written about in more detail.

134.115.68.21 08:47, 18 October 2005 (UTC)[reply]

Yes, the article hasn't been updated yet. The new MOST observations definitely deserve much thorough description. BTW, it is not likely that τ Boo A is actually tidally locked -- more likely only its upper layers follow the planet.--Jyril 11:12, 18 October 2005 (UTC)[reply]

Artist's Conception

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It seems like a star a little under a million miles in diameter, viewed from 5 million miles away or so, would loom much larger in the image. Also, despite the planet's stated low albedo, illumination of the planet at that range would be hellishly bright and harsh as opposed to this rendering, which looks like a typical softly-lit gas giant many AU's from its sun. Just a comment; I have no idea where to find something better-suited, and any image is better than none. Shyland 04:06, 5 May 2006 (UTC)[reply]

I think the artist conception of HD 149026 b (here) is actually pretty good despite of its simplicity.--Jyril 12:20, 5 May 2006 (UTC)[reply]
Hardly surprising because it was created by an astronomer (original source)--Jyril 12:24, 5 May 2006 (UTC)[reply]
I have several issues with the accuracy artists conception (apart from the caption calling Tau Boötis a Sun and the size of the star in relation above). The image depicts the planet having at least one natural satellite (an apparently quite large rocky moon) which I believe is misleading. Given the extreme proximity and size of this Hot Jupiter to its primary and the complex gravitational interactions between the two (tidal locking etc), such moons would appear very unlikely. (see http://news.discovery.com/space/hot-jupiter-planets-moon.html) --EvenGreenerFish (talk) 21:23, 28 June 2012 (UTC)[reply]

inclination?

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... the orbit of the planet has an inclination of 29°

Silly question: 29° with respect to what? How do you define an ecliptic if you just have one planet to go by? Wouldn't it just have an inclination of zero by definition? Unless, maybe, the rotation axis of the star is known (is that doable?), then you could define an inclination with respect to that. In any case, I think this statement requires more explanation at the least. Deuar 18:36, 21 May 2006 (UTC)[reply]

When the inclination is near 90° the planet transits the star, and when i = 0° the planet's orbit is perfectly face-on.--JyriL talk 20:36, 21 May 2006 (UTC)[reply]
Now known to be 44°. The ~40° estimates in here earlier were pretty darn good; kudos to the scientists who guessed. By the way, to the wiki-editor "CarloscomB" who deleted my estimate of "6-7 Mj" - told you so. :^P --Zimriel (talk) 19:25, 27 June 2012 (UTC)[reply]

Tau Boötis Ab vs Tau Boötis b

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While not strictly incorrect, it seems that Tau Boötis Ab is a less common designation than Tau Boötis b: SIMBAD lists the object as Tau Boo b [1], and a Google scholar search returns around 22 hits for "tau boo b" [2] as opposed to only 2 for "tau boo ab" [3] (when using the expanded name "tau bootis", the Ab designation gets 0 hits, as opposed to 8 for the b designation). Similarly for normal Google results: the b designation gets more hits than the Ab designation. In light of this I would suggest moving the article to "Tau Boötis b", and leaving a note to the effect that the Ab designation is occasionally used to distinguish between the planet and the star Tau Boötis B. Comments? Chaos syndrome 19:34, 30 June 2006 (UTC)[reply]

Sounds reasonable if that is what is in use, but I have to say using B and b is also pretty confusing. Does anyone know what if the IAU has anything to say on how extrasolar planets are named? Deuar 23:56, 30 June 2006 (UTC)[reply]

Requested move

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Tau Boötis Ab → Tau Boötis b – While the Ab designation is not strictly incorrect, the planet is referred to far more often as b rather than Ab. Google searches "tau boo ab" vs "tau boo b" and "tau bootis ab" vs "tau bootis b" bear this out. Chaos syndrome 21:28, 30 August 2006 (UTC)[reply]

The request failed because consensus was not reached. --Dijxtra 13:36, 19 September 2006 (UTC)[reply]

Survey

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Add "* Support" or "* Oppose" followed by an optional one-sentence explanation, then sign your opinion with ~~~~

Discussion

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Add any additional comments

Looks like a good suggestion. Deuar 10:59, 1 September 2006 (UTC)[reply]
It would help, but on the other hand the red dwarf is so rarely mentioned that I don't see this is a major problem.--JyriL talk 13:28, 1 September 2006 (UTC)[reply]
I have moved Supermassive Black Hole to Supermassive Black Hole (song). Just thought I'd place a not here, as this talk page links to it. Aiyda 16:30, 11 May 2007 (UTC)[reply]

Confirmed diameter?

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Isn't there already confirmed info on the diameter of the "Millennium Planet"?

"'The signal is very faint, but it tells us that it’s coming from a planet twice the diameter and eight times the mass of Jupiter – a real monster,' said Andrew Collier Cameron of the University of St. Andrews, Scotland, the leader of the team."

Link: http://www.pparc.ac.uk/nw/planet.asp Darth Sidious 03:25, 16 December 2006 (UTC)[reply]

Radio emissions

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As a suggestion, this article could discuss the possibility of detecting radio emission from the magnetosphere of this planet.[4][5][6] Thank you.—RJH (talk) 21:21, 25 February 2011 (UTC)[reply]

Tau Bootis c?

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I deleted this: "There are also some indications of another, more distant planet orbiting Tau Boötis A. However, until the possible planet has completed one orbit it remains speculation." I didn't see a reference, and there's been no news about this. Anyway it would be a separate article if true. Alien visitors from that planet are of course free to sign in and create that article, this time with a link. :^) --Zimriel (talk) 19:23, 27 June 2012 (UTC)[reply]

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