Talk:51 Pegasi

message: The statement describing 51 Peg b as "the first discovered planetary-mass companion of its parent star" ignores the earlier discovery in 1992 of PSR B1257+12 B and PSR 1257+12 C. These are both planetary-mass objects and are no less "companions of their parent star" than 51 Peg b. Better to stick to the "first around a main-sequence star" language, which is unambiguous.  — Preceding unsigned comment added by 65.100.126.140 (talk) 22:58, 17 November 2018 (UTC)
thread_title: First exoplanet??

message: I don't think the very hypothetical planet 51 Pegasi c should be included to this article until it is confirmed or at least it has more evidence. Just a blog entry isn't enough!--Jyril 06:00, 10 April 2006 (UTC)
replies: text: Agreed. In addition the designation "51 Pegasi c" isn't official either, so we probably shouldn't be using it. Chaos syndrome 20:00, 10 April 2006 (UTC)
thread_title: 51 Peg c

message: The 1295 K value looks like it has been taken from Extrasolar Visions. This is a speculative calculated value based on several simplifying assumptions. In addition, when I do the calculation myself using the values for star temperature, radius, planet semimajor axis and bond albedo presented on the Extrasolar Visions website, I do not get this value. The temperature of the planet has not been measured but presenting it here makes it seem as though it has. Unless the value can be found in the scientific literature, I feel it is best to leave such speculative values out of the article. Chaos syndrome 11:56, 10 April 2006 (UTC)
thread_title:  Temperature 

message: As I understand it, 51 Peg b=Peg beta; shouldn't it be written out as such?  Trekphiler (talk) 15:07, 11 June 2008 (UTC)
thread_title:  Learn to spell 

message: According to this article, its "spectral type is listed as either G2.5IVa[2] or G4-5Va." While this is true, according to the 'mk' properties section on the SIMBAD query, the two measurements since 2000 give G2.5 IVa and G2V+. The G4-5V results are from 1957–1970.—RJH (talk) 14:57, 10 May 2010 (UTC)
replies: text: Never mind. This source from 2009 lists G5V. The inconsistency seems odd.—RJH (talk) 15:18, 10 May 2010 (UTC)
thread_title:  Stellar classification 

message: The position of the star in the chart is wrong (it should be more to the right, outside the pegasus-quadrilateral. Check the coordinates or compare to the german Wikipedia (there's a map there too). 81.62.121.68 (talk) 20:36, 2 October 2015 (UTC)
thread_title:  position of star in picture is wrong 

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thread_title:  External links modified 

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thread_title:  External links modified