| 词条 | HD 179949 b |
| 释义 |
| name = HD 179949 b | discoverer = Tinney, Butler, Marcy et al. | discovery_site = Anglo-Australian Observatory | discovered = Dec 3, 2000 | discovery_method = Radial velocity | apsis = astron | semimajor = {{convert|0.0443|±|0.0026|AU|km|abbr=on}} | eccentricity = 0.022±0.015 | period = 3.092514±0.000032 d | inclination = 67.7±4.3 | time_periastron = 2,451,002.32±0.44 | arg_peri = 192 | semi-amplitude = 112.6±1.8 | star = HD 179949 | mass = 0.98±0.077[1] {{Jupiter mass|link=y}} }}HD 179949 b is an extrasolar planet discovered by the Anglo-Australian Planet Search at the Anglo-Australian Observatory, which orbits the star HD 179949. The planet is a so-called "hot Jupiter", a Jupiter-mass planet orbiting very close to its parent star. In this case, orbital distance is almost one-tenth that of Mercury from the Sun. One orbital revolution lasts only about 3 days.[3][4] Its magnetic field induces a bright spot on its star at 30 degrees latitude, which rotates at 87 degrees inclination. If the planet orbited at 83-97 degrees, then its transit would be visible from Earth. The angle of inclination is therefore 83 degrees or less, but not much less; and its mass is constrained to not much more than 0.923±0.077. The star is not tidally locked to the planet.[2] Assuming the planet is perfectly grey with no greenhouse or tidal effects, and a Bond albedo of 0.1, the temperature would be 1533 K. This is, like Tau Boötis b, hotter than the predicted temperature of HD 209458 b (1392K), and close to that of HD 149026 b, before they were measured. Searches for water in the planet's atmosphere have been inconclusive at first, as have attempts to determine whether titanium and vanadium oxides are present.[3] In the meantime, both carbon monoxide and water have been found in the dayside emission of HD 179949b.[4] HD 179949 b is a candidate for "near-infrared characterisation.... with the VLTI Spectro-Imager".[5] References1. ^{{Cite journal |arxiv = 1404.3769v1|doi = 10.1051/0004-6361/201423537|title = Carbon monoxide and water vapor in the atmosphere of the non-transiting exoplanet HD 179949 B|journal = Astronomy & Astrophysics|volume = 565|pages = A124|year = 2014|last1 = Brogi|first1 = M.|last2 = De Kok|first2 = R. J.|last3 = Birkby|first3 = J. L.|last4 = Schwarz|first4 = H.|last5 = Snellen|first5 = I. A. G.}} [6][7]2. ^{{cite journal | url=http://www.iop.org/EJ/article/0004-637X/597/2/1092/57949.html | author=Shkolnik and Walker | title=Evidence for Planet-induced Chromospheric Activity on HD 179949 | journal=The Astrophysical Journal | volume=597 | issue=2 |pages=1092–1096 | date=2003 |doi=10.1086/378583 | last2=Walker | first2=G. A. H. | last3=Bohlender | first3=D. A. | bibcode=2003ApJ...597.1092S| arxiv=astro-ph/0303557 }} 3. ^{{cite journal | journal=Monthly Notices of the Royal Astronomical Society|date=3 Oct 2008 | title=HD 179949b: a close orbiting extrasolar giant planet with a stratosphere?| author=J. R. Barnes | display-authors=etal |doi=10.1111/j.1365-2966.2008.13831.x | volume=390 | pages=1258 | bibcode=2008MNRAS.390.1258B | issue=3|arxiv = 0806.0298 |last2=Barman |last3=Jones |last4=Leigh |last5=Cameron |last6=Barber |last7=Pinfield }} 4. ^{{Cite journal|last=Brogi|first=M.|last2=Kok|first2=R. J. de|last3=Birkby|first3=J. L.|last4=Schwarz|first4=H.|last5=Snellen|first5=I. A. G.|title=Carbon monoxide and water vapor in the atmosphere of the non-transiting exoplanet HD 179949 b|journal=Astronomy & Astrophysics|language=en|volume=565|pages=A124|doi=10.1051/0004-6361/201423537|issn=0004-6361|arxiv=1404.3769|bibcode=2014A&A...565A.124B|year=2014}} 5. ^{{cite book | arxiv=0807.3014|doi=10.1117/12.790494 |chapter=Prospects for near-infrared characterisation of hot Jupiters with the VLTI Spectro-Imager (VSI) |title=Optical and Infrared Interferometry |journal=Optical and Infrared Interferometry. Edited by Schöller |volume=7013 |pages=70132Z |series=Optical and Infrared Interferometry |year=2008 |last1=Renard |first1=S. |last2=Absil |first2=O. |last3=Berger |first3=J.-P. |last4=Bonfils |first4=X. |last5=Forveille |first5=T. |last6=Malbet |first6=F. |bibcode=2008SPIE.7013E..2ZR }} 6. ^1 {{cite journal | url=http://www.iop.org/EJ/article/0004-637X/646/1/505/64046.html | title=Catalog of Nearby Exoplanets | last1=Butler | first1=R. P. | last2=Wright | first2=J. T. | last3=Marcy | first3=G. W. | last4=Fischer | first4=D. A. | last5=Vogt | first5=S. S. | last6=Tinney | first6=C. G. | last7=Jones | first7=H. R. A. | last8=Carter | first8=B. D. | last9=Johnson | first9=J. A. | last10=McCarthy | first10=C. | last11=Penny | first11=A. J. | display-authors=1 | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=505–522 | date=2006 | arxiv=astro-ph/0607493 | bibcode=2006ApJ...646..505B | doi=10.1086/504701 }} 7. ^1 {{cite journal | title=First Results from the Anglo-Australian Planet Search: A Brown Dwarf Candidate and a 51 Peglike Planet | last1=Tinney | first1=C. G. | last2=Butler | first2=R. Paul | last3=Marcy | first3=Geoffrey W. | last4=Jones | first4=Hugh R. A. | last5=Penny | first5=Alan J. | last6=Vogt | first6=Steven S. | last7=Apps | first7=Kevin | last8=Henry | first8=Gregory W. | display-authors=1 | journal=The Astrophysical Journal | volume=551 | issue=1 | pages=507–511 | year=2001 | arxiv=astro-ph/0012204 | bibcode=2001ApJ...551..507T | doi=10.1086/320097 }} https://arxiv.org/pdf/1404.3769.pdf Water and carbon monoxide. }} External links
6 : Hot Jupiters|Exoplanets|Sagittarius (constellation)|Exoplanets discovered in 2000|Giant planets|Exoplanets detected by radial velocity |
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