WISE J0254+0223
WISEPA J025409.45+022359.1 (縮寫為WISE 0254+0223)是一顆位於鯨魚座光譜等級為T8的棕矮星[1][7]，距離地球大約為17.6光年。[4]
| 觀測資料 曆元 MJD 55588.27[1] | |
|---|---|
| 星座 | 鯨魚座 |
| 星官 | |
| 赤經 | 02h 54m 09.62s[1] |
| 赤緯 | 02° 23′ 58.85″[1] |
| 視星等（V） | |
| 特性 | |
| 光谱分类 | T8[1] |
| 视星等 (Y (MKO filter system)) | 16.999±0.014[2] |
| 视星等 (J (2MASS filter system)) | 16.557±0.156[1] |
| 视星等 (J (MKO filter system)) | 15.916±0.008[2] |
| 视星等 (H (2MASS filter system)) | 15.884±0.199[1] |
| 视星等 (H (MKO filter system)) | 16.29±0.02[2] |
| 视星等 (KS (2MASS filter system)) | >16.006[1] |
| 视星等 (K (MKO filter system)) | 16.73±0.05[2] |
| 天体测定 | |
| 自行 (μ) | 赤经：2588±27[3] mas/yr 赤纬：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 | |
| 參考資料庫 | |
| SIMBAD | 资料 |
註釋
编辑參考
编辑- ^ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 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.
- ^ 2.0 2.1 2.2 2.3 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.
- ^ 3.0 3.1 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.
- ^ 4.0 4.1 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.
- ^ 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.
- ^ 6.0 6.1 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.
- ^ 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.
外部連結
编辑- Two new nearby brown dwarfs found 互联网档案馆的存檔，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）