Talk:51 Pegasi b

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Links and references[edit]

I've added some details from the German wiki article, but left out a paragraph on Dr. David Latham speculating on a second planet around 51 Peg. I do recall discussion on a second planet from detailed analysis of the doppler plots, but cannot now find believable references, and all reliable sources just list the one 51 Peg b.

Some intersting references:

- Wikibob

Article title[edit]

I am of the opinion that this article should be moved to 51 Pegasi B or similar. Bellerophon is an unofficial title, not endorsed by the IAU who are the arbiters of astronomical nomenclature. It is not used by scientists - a search of the literature reveals not a single use of the word, in contrast to hundreds of references to 51 Peg B, which is still the official name for this planet.

I will move this article in a few days time unless there are objections. Worldtraveller 15:26, 14 Jan 2005 (UTC)

You're right, no unofficial names should be used as a article names. However, extrasolar planets are usually marked with shortcase letters. Several of the known extrasolar systems consist of binary stars, for example τ Boo. τ Boo b (or more correctly, τ Boo Ab) is the planet orbiting bright component A, but τ Boo B is a distant red dwarf companion. So this article should be named 51 Pegasi b. Jyril 12:54, Feb 23, 2005 (UTC)


I've deleted the redirect to facilitate this move if there is consent for it. If there is consent for it to stay, please recreate the redirect. Deco 03:57, 25 Mar 2005 (UTC)
Never mind, you recreated it, thereby making the move you propose impossible for non-admins. I'm not sure why you'd act against yourself, but oh well, I'm not deleting it again. Deco 04:00, 25 Mar 2005 (UTC)
Sorry, I was rather making this a sweep of all the planet names, so that there could be consensus on the proper naming of these things. User:Worldtraveller renamed just about all of them... 04:04, 25 Mar 2005 (UTC)

It was requested that this article be renamed but there was no consensus for it to be moved. violet/riga (t) 22:05, 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.


Where does the value of 1295 K in the infobox come from? As far as I am aware the temperature of this planet has not been directly observed. Citations anyone? Chaos syndrome 01:24, 16 March 2006 (UTC)Reply[reply]

Looks like it is copypasted from Extrasolar Visions.--Jyril 06:29, 16 March 2006 (UTC)Reply[reply]
Seems like it's back in the article. I'm removing it for now (see comments on Talk:51 Pegasi). Chaos syndrome 11:58, 10 April 2006 (UTC)Reply[reply]
I found the criteria which planetary speculators have been using to gauge the temperature (assumption of a pure grey 0.1 albedo surface with no atmosphere). This is quite obviously a stand-in for insolation and not a real temperature. However even that much is good enough to place it between two planets which have been measured, viz. HD 189733 b and HD 209458 b‎. I am reinstating the temperature alongside this information. --Zimriel (talk) 17:58, 15 August 2008 (UTC)Reply[reply]

About the image....[edit]

Okay, let me get things straight. I am a big fan of artist's impressions of exosolar planets, and I like it when articles have them. However, although this article states that 51 Pegasi b is very close to its sun, I highly doubt that it actually comes that close to 51 Pegasi. Besides, it looks like it was drawn using a colored pencils. Fusion7 17:35, 12 May 2007 (UTC)Reply[reply]

Discovery Site[edit]

The article states that the discovery of this planet was made by Mayor and Queloz using Observatoire de Haute-Provence. In the article legend the 'discovery site' is listed as California, United States. Unless I am missing something, should it not read Provence, France? —Preceding unsigned comment added by (talk) 17:22, 24 January 2008 (UTC)Reply[reply]

The first[edit]

The article begins as follows:
"51 Pegasi b, also unofficially named Bellerophon and or abbreviated as 51 Peg b, is an extrasolar planet approximately 50 light-years away in the constellation of Pegasus. 51 Pegasi b was the first planet to be discovered orbiting a Sun-like star (namely 51 Pegasi)"

Assuming its main importance is being "the first", I would suggest changing these sentences to something like this:

"51 Pegasi b, also unofficially named Bellerophon and or abbreviated as 51 Peg b, was the first planet discovered outside our solar system. It's an extrasolar planet, orbiting a Sun-like star (namely 51 Pegasi) approximately 50 light-years away in the constellation of Pegasus."
What do you think? Thanks Kvsh5 (talk) 07:41, 25 July 2009 (UTC)Reply[reply]

It'd be incorrect because the first planet discovered outside our solar system was PSR B1257+12 B Jagger11 (talk) 01:46, 15 June 2013 (UTC)Reply[reply]

Unofficial name[edit]

This sentence is outdated: "Only two other extrasolar planets were given unofficial or informal names". There are now unofficial names for all exoplanets, listed in this url —Preceding unsigned comment added by (talk) 20:53, 29 October 2009 (UTC)Reply[reply]

Move discussion in progress[edit]

There is a move discussion in progress on Talk:Upsilon Andromedae d which affects this page. Please participate on that page and not in this talk page section. Thank you. —RMCD bot 02:59, 17 December 2015 (UTC)Reply[reply]

Discovery Table[edit]

On this page, and every other exoplanet page I have checked, there is a table which says "Discovered by" which links to the "list of minor planet discoverers" wikipedia page. Since minor planets are small bodies in our solar system, they have no relation to exoplanets, and this link should be removed. — Preceding unsigned comment added by Ericagol (talkcontribs) 16:48, 6 October 2021 (UTC)Reply[reply]

bellerophon planet[edit]

bellerophon planet 2600:4040:A204:8400:81BC:77DE:1186:C88B (talk) 11:51, 15 January 2023 (UTC)Reply[reply]