WISE J0254+0223

WISEPA J025409.45+022359.1 (缩写为WISE 0254+0223)是一颗位于鲸鱼座光谱等级为T8的棕矮星^[1][7]，距离地球大约为17.6光年。^[4]

WISEPA J025409.45+022359.1

观测资料 历元 MJD 55588.27[1]
星座	鲸鱼座
星官
赤经	02h 54m 09.62s[1]
赤纬	02° 23′ 58.85″[1]
视星等（V）
特性
光谱分类	T8[1]
视星等 (Y (MKO filter system))	7001169990000000000♠16.999±0.014[2]
视星等 (J (2MASS filter system))	7001165570000000000♠16.557±0.156[1]
视星等 (J (MKO filter system))	7001159160000000000♠15.916±0.008[2]
视星等 (H (2MASS filter system))	7001158840000000000♠15.884±0.199[1]
视星等 (H (MKO filter system))	7001162900000000000♠16.29±0.02[2]
视星等 (KS (2MASS filter system))	>16.006[1]
视星等 (K (MKO filter system))	7001167300000000000♠16.73±0.05[2]
天体测定
自行 (μ)	赤经：7003258800000000000♠2588±27[3] mas/yr 赤纬：7002273000000000000♠273±27[3] mas/yr
视差 (π)	146.1 ± 1.5[4] mas
距离	22.3 ± 0.2 ly (6.84 ± 0.07 pc)
其他命名
WISEPC J025409.45+022359.1[5] WISEPA J025409.45+022359.1[1] WISE J0254+0223[1] PSO J043.5395+02.3995[6] PSO J043.5+02[6]
参考数据库
SIMBAD	资料

注释

参考

1. Kirkpatrick, J. Davy; Cushing, Michael C.; Gelino, Christopher R.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Mainzer, Amy K.; Eisenhardt, Peter R.; McLean, Ian S.; Thompson, Maggie A.; Bauer, James M.; Benford, Dominic J.; Bridge, Carrie R.; Lake, Sean E.; Petty, Sara M.; Stanford, Spencer Adam; Tsai, Chao-Wei; Bailey, Vanessa; Beichman, Charles A.; Bloom, Joshua S.; Bochanski, John J.; Burgasser, Adam J.; Capak, Peter L.; Cruz, Kelle L.; Hinz, Philip M.; Kartaltepe, Jeyhan S.; Knox, Russell P.; Manohar, Swarnima; Masters, Daniel; Morales-Calderon, Maria; Prato, Lisa A.; Rodigas, Timothy J.; Salvato, Mara; Schurr, Steven D.; Scoville, Nicholas Z.; Simcoe, Robert A.; Stapelfeldt, Karl R.; Stern, Daniel; Stock, Nathan D.; Vacca, William D. The First Hundred Brown Dwarfs Discovered by the Wide-field Infrared Survey Explorer (WISE). The Astrophysical Journal Supplement. 2011, 197 (2): 19. Bibcode:2011ApJS..197...19K. S2CID 16850733. arXiv:1108.4677v1 . doi:10.1088/0067-0049/197/2/19.
2. Liu, Michael C.; Dupuy, Trent J.; Bowler, Brendan P.; Leggett, S. K.; Best, William M. J. Two Extraordinary Substellar Binaries at the T/Y Transition and the Y-band Fluxes of the Coolest Brown Dwarfs. The Astrophysical Journal. 2012, 758 (1): 57. Bibcode:2012ApJ...758...57L. S2CID 118402490. arXiv:1206.4044 . doi:10.1088/0004-637X/758/1/57.
3. Dupuy, T. J.; Kraus, A. L. Distances, Luminosities, and Temperatures of the Coldest Known Substellar Objects. Science. 2013, 341 (6153): 1492–5. Bibcode:2013Sci...341.1492D. PMID 24009359. S2CID 30379513. arXiv:1309.1422 . doi:10.1126/science.1241917.
4. Kirkpatrick, J. Davy; Martin, Emily C.; et al. Preliminary Trigonometric Parallaxes of 184 Late-T and Y Dwarfs and an Analysis of the Field Substellar Mass Function into the "Planetary" Mass Regime. The Astrophysical Journal Supplement Series. February 2019, 240 (2): 19. Bibcode:2019ApJS..240...19K. S2CID 119451195. arXiv:1812.01208 . doi:10.3847/1538-4365/aaf6af.
5. Scholz, R.-D.; Bihain, G.; Schnurr, O.; Storm, J. Two very nearby (d ~ 5 pc) ultracool brown dwarfs detected by their large proper motions from WISE, 2MASS, and SDSS data. Astronomy & Astrophysics. 2011, 532: L5. Bibcode:2011A&A...532L...5S. S2CID 73703535. arXiv:1105.4059 . doi:10.1051/0004-6361/201117297.
6. Liu, Michael C.; Deacon, Niall R.; Magnier, Eugene A.; Dupuy, Trent J.; Aller, Kimberly M.; Bowler, Brendan P.; Redstone, Joshua; Goldman, Bertrand; Burgett, W. S.; Chambers, K. C.; Hodapp, K. W.; Kaiser, N.; Kudritzki, R.-P.; Morgan, J. S.; Price, P. A.; Tonry, J. L.; Wainscoat, R. J. A Search for High Proper Motion T Dwarfs with PAN-STARRS1 + 2MASS + WISE. The Astrophysical Journal Letters. 2011, 740 (2): L32. Bibcode:2011ApJ...740L..32L. S2CID 118650819. arXiv:1107.4608 . doi:10.1088/2041-8205/740/2/L32.
7. Kirkpatrick, J. Davy; Gelino, Christopher R.; Cushing, Michael C.; Mace, Gregory N.; Griffith, Roger L.; Skrutskie, Michael F.; Marsh, Kenneth A.; Wright, Edward L.; Eisenhardt, Peter R.; McLean, Ian S.; Mainzer, Amy K.; Burgasser, Adam J.; Tinney, Chris G.; Parker, Stephen; Salter, Graeme. Further Defining Spectral Type "Y" and Exploring the Low-mass End of the Field Brown Dwarf Mass Function. The Astrophysical Journal. 2012, 753 (2): 156. Bibcode:2012ApJ...753..156K. S2CID 119279752. arXiv:1205.2122 . doi:10.1088/0004-637X/753/2/156.

外部链接

• Two new nearby brown dwarfs found 互联网档案馆的存档，存档日期2011-10-30. (Phil Plait August 9, 2011)
• Solstation.com (New Objects within 20 light-years) （页面存档备份，存于互联网档案馆）