论文标题
SOHO数据库中Kreutz Sungrazer系统的种群
Populations of the Kreutz Sungrazer System in a SOHO Database
论文作者
论文摘要
在193套精选的Soho Kreutz Sungrazer(Sekanina 2021)中发现了9个人群,这是通过Soho的C2 Coronagraph构造的,该直方图是通过Soho C2 Coronagraph构建的,该直方图是为220个选择的Soho coronagraph所构建的上升节点的真实纵向。 Marsden的轨道大致校正了平面外非驱动力的影响。人口I在直方图中显示了两个峰,一个大概属于人口PE的侧分支,但尚无相关的裸眼刺激器。群/物体群是司空见惯的,提供了整个轨道上层叠碎片的证据。增加了所有仅C2的Soho Kreutz彗星,旨在消除对人群I和PE的故意偏见,将IA和I先生的外观降低到沿直方图的斜率凸起,因为人口I和PE的翅膀肿胀。 II至IV的人群几乎没有变化或根本不会改变。 I与II的高度含量高14:1,可能是片段释放中时间限制的产物。段落的碎片数量下降,朝向节点长度分布的末端,尤其是从人口II到IV的末端,与接触二进制模型一致。
Discovery of nine populations in a set of 193 select SOHO Kreutz sungrazers (Sekanina 2021) is confirmed for the first time via a histogram of the true longitudes of the ascending node, constructed for a revised set of 220 select sungrazers imaged exclusively by the SOHO's C2 coronagraph. Marsden's orbits are approximately corrected for effects of the out-of-plane nongravitational force. Population I displays two peaks in the histogram, one presumably belonging to a side branch alike to Population Pe, but with no related naked-eye sungrazer known. Swarms/clusters of objects are commonplace, providing evidence on cascading fragmentation proceeding throughout the orbit. Augmentation to all C2-only SOHO Kreutz comets, aimed at removing deliberate bias against Populations I and Pe, reduces the appearance of Populations Ia and Pre-I to bulges along the slope of the histogram because of the swollen wings of Populations I and Pe, respectively. Populations II through IV change very little or not at all. The high Population I-to-II abundance ratio, of 14:1, may be a product of temporal limitations in fragment release. A drop in the number of fragments toward the ends of the nodal-longitude distribution, especially from Population II to IV, is in line with the contact-binary model.