Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1126/science.aam9848 |
Zones, spots, and planetary-scale waves beating in brown dwarf atmospheres | |
Apai, D.1,2; Karalidi, T.1; Marley, M. S.3; Yang, H.1; Flateau, D.1,4; Metchev, S.5,6,7; Cowan, N. B.8,9,10; Buenzli, E.11; Burgasser, A. J.12; Radigan, J.13; Artigau, E.10; Lowrance, P.14 | |
2017-08-18 | |
发表期刊 | SCIENCE
![]() |
ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2017 |
卷号 | 357期号:6352页码:683-+ |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Canada; Switzerland |
英文摘要 | Brown dwarfs are massive analogs of extrasolar giant planets and may host types of atmospheric circulation not seen in the solar system. We analyzed a long-term Spitzer Space Telescope infrared monitoring campaign of brown dwarfs to constrain cloud cover variations over a total of 192 rotations. The infrared brightness evolution is dominated by beat patterns caused by planetary-scale wave pairs and by a small number of bright spots. The beating waves have similar amplitudes but slightly different apparent periods because of differing velocities or directions. The power spectrum of intermediate-temperature brown dwarfs resembles that of Neptune, indicating the presence of zonal temperature and wind speed variations. Our findings explain three previously puzzling behaviors seen in brown dwarf brightness variations. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000407793600034 |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/196692 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.Univ Arizona, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA; 2.Univ Arizona, Lunar & Planetary Lab, 1640 E Univ Blvd, Tucson, AZ 85721 USA; 3.NASA, Ames Res Ctr, Moffett Field, CA 94035 USA; 4.Univ Cincinnati, Dept Phys, 2600 Clifton Ave, Cincinnati, OH 45221 USA; 5.Univ Western Ontario, Dept Phys & Astron, London, ON N6A 3K7, Canada; 6.Univ Western Ontario, Ctr Planetary Sci & Explorat, London, ON N6A 3K7, Canada; 7.SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11795 USA; 8.McGill Univ, Dept Earth & Planetary Sci, 3450 Rue Univ, Montreal, PQ H3A 2A7, Canada; 9.McGill Space Inst, 3550 Rue Univ, Montreal, PQ H3A 2A7, Canada; 10.Univ Montreal, Dept Phys, Inst Rech Exoplanetes IREx, CP 6128,Succ Ctr Ville, Montreal, PQ H3C 3J7, Canada; 11.ETH, Inst Astron, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland; 12.Univ Calif San Diego, Ctr Astrophys & Space Sci, La Jolla, CA 92093 USA; 13.Utah Valley Univ, Dept Phys, 800 West Univ Pkwy, Orem, UT 84058 USA; 14.CALTECH, Ctr Infrared Proc & Anal, MS 314-5,1200 E Calif Blvd, Pasadena, CA 91125 USA |
推荐引用方式 GB/T 7714 | Apai, D.,Karalidi, T.,Marley, M. S.,et al. Zones, spots, and planetary-scale waves beating in brown dwarf atmospheres[J]. SCIENCE,2017,357(6352):683-+. |
APA | Apai, D..,Karalidi, T..,Marley, M. S..,Yang, H..,Flateau, D..,...&Lowrance, P..(2017).Zones, spots, and planetary-scale waves beating in brown dwarf atmospheres.SCIENCE,357(6352),683-+. |
MLA | Apai, D.,et al."Zones, spots, and planetary-scale waves beating in brown dwarf atmospheres".SCIENCE 357.6352(2017):683-+. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论