LP 40-365是在小熊座的一顆低質量白矮星。它具有非常不尋常的元素組成,缺乏氫、氦或碳,並正以高速穿過銀河。它可能是在一顆未能完全摧毀其宿主恆星的次發光的Iax型超新星中產生的[2][4][5]。「LP」這個名字來源於20世紀60年代出現的Luyten-Palomar自行目錄[6]。這顆恆星在另一個目錄的名稱是「GD 492」[3]。這顆恆星被歸類為吉克拉斯天體,亨利·李·吉克拉斯在1970年將其命名為「GD 492」[7]。
- ^ 1.0 1.1 Cutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003). CDS/ADC Collection of Electronic Catalogues. 2003, 2246: II/246 [2024-05-17]. Bibcode:2003yCat.2246....0C. (原始内容存档于2021-04-21).
- ^ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Vennes, Stephane; Nemeth, Peter; Kawka, Adela; Thorstensen, John R.; Khalack, Viktor; Ferrario, Lilia; Alper, Erek H. An unusual white dwarf star may be a surviving remnant of a subluminous Type Ia supernova. Science. 18 August 2017, 357 (6352): 680–683. Bibcode:2017Sci...357..680V. PMID 28818942. S2CID 24141207. arXiv:1708.05568 . doi:10.1126/science.aam8378.
- ^ 3.0 3.1 3.2 GD 492. SIMBAD. 斯特拉斯堡天文資料中心.
- ^ Science Press Release. Astroserver.org. [17 August 2017]. (原始内容存档于2022-07-05).
- ^ Javier Barbuzano. The White Dwarf That Survived. Sky & Telescope. 17 August 2017 [2018-04-27]. (原始内容存档于2020-02-15).
- ^ Luyten, W. J. Proper Motion Survey with the 48 inch Schmidt Telescope. University of Minnesota. 1963–1981.
- ^ Giclas, Henry L.; Burnham, Robert; Thomas, Norman Gene. A list of white dwarf suspects III : Special objects of small proper motion from the Lowell survey. Bulletin of the Lowell Observatory. 1970, 7 (153): 183. Bibcode:1970LowOB...7..183G (英语).