遇见数据集

PDBM-project-for-ICMEs: v1.0: Earth-directed Coronal Mass Ejections from 1996 to 2018

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Zenodo2023-06-21 更新2026-05-25 收录
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Dataset Description ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''<br> CME data from Richardson &amp; Cane catalog (http://www.srl.caltech.edu/ACE/ASC/DATA/level3/icmetable2.htm) + LASCO CDAW CME List (https://cdaw.gsfc.nasa.gov/CME_list/) Version 3.0 12/04/2021 ICME_complete_dataset_v3.csv column details: CME_num: (int) progressive no. of CME LASCO_Start: (datetime) Date of first appearance of CME in LASCO/C2 coronograph Start_Date: (datetime) Date of CME transit at 20 solar radii Arrival_Date: (datetime) Date of Plasma arrival at L1 (ACE) PE_duration: (hrs) duration of plasma disturbance at L1 Arrival_v: (km/s) CME arrival speed at L1 Transit_time: (hrs) date difference in hours between 'Start_Date' and 'Arrival_Date' Transit_time_err: (hrs) error on the CME transit time between 20 solar radii and 1AU LASCO_Date: (datetime) CME start date as reported in the LASCO/CDAW catalog LASC0_v: (km/s) linear speed of CMEs fastest component LASCO_pa: (deg) CME principal angle, counterclockwise from North LASCO_da: (deg) CME angular width LASCO_halo: (string) 'FH' if LASCO_da&gt;270, 'HH' if LASCO_da&gt;180, 'PH' if LASC_da&gt;90, 'N' otherwise v_r: (km/s) radially de-projected CME speed v_r_err: (km/s) uncertainty of the de-projected speed Theta_source: (arcsec) longitude of the most probable source of the CME Phi_source: (arcsec) co-latitude of the most probable source of the CME source_err: (arcsec) uncertainty of the CME source on the solar disk POS_source_angle: (deg) plane-of-sky angle of the source region of the CME rel_wid: (rad) CME width relative to its lift-off speed and position Mass: (g) Mass estimation of the CME SW_type: Solar wind expected during the ICME propagation, Fast (F) or Slow (S) Bz: (nT) z-component of the magnetic field at L1 DST: (signed int) minimum DST during CME duration at L1 v_r_stat: (km/s) statistical de-projection of the CME linear speed, i.e. v_r_stat=LASCO_v*1.027+41.5 (from Pauris et al. 2020, Space Weather) Accel.: (m/s^2) CME acceleration between the lift-off and 20 solar radii Analityc_w: (km/s) solar wind value obtained via analytic inversion of the Drag-Based Model equations Analityc_gamma: (km^-1) value of the drag parameter obtained via analytic inversion of the Drag-Based Model equations filename: (string) name of the file containing PDBM information from the statistical inversion procedure

数据集说明 本数据集整合了Richardson与Cane目录的日冕物质抛射(Coronal Mass Ejection, CME)数据(来源:http://www.srl.caltech.edu/ACE/ASC/DATA/level3/icmetable2.htm),以及LASCO CDAW CME列表(来源:https://cdaw.gsfc.nasa.gov/CME_list/)3.0版本,更新日期为2021年12月4日。 ICME_complete_dataset_v3.csv各列详细说明如下: CME_num:(int) 日冕物质抛射的连续编号 LASCO_Start:(datetime) CME在LASCO/C2日冕仪中首次出现的日期 Start_Date:(datetime) CME抵达20倍太阳半径的日期 Arrival_Date:(datetime) 等离子体抵达L1点(ACE探测器)的日期 PE_duration:(hrs) 等离子体扰动在L1点的持续时长 Arrival_v:(km/s) CME抵达L1点时的速度 Transit_time:(hrs) 'Start_Date'与'Arrival_Date'之间以小时为单位的时间差 Transit_time_err:(hrs) CME从20倍太阳半径到1AU的传播时间误差 LASCO_Date:(datetime) LASCO/CDAW目录中记录的CME起始日期 LASC0_v:(km/s) CME最快分量的线速度 LASCO_pa:(deg) CME主方位角,以正北为基准逆时针计量 LASCO_da:(deg) CME的角宽度 LASCO_halo:(string) 当LASCO_da>270时记为'FH',LASCO_da>180时记为'HH',LASCO_da>90时记为'PH',其余情况记为'N' v_r:(km/s) CME的径向投影速度 v_r_err:(km/s) 径向投影速度的不确定度 Theta_source:(arcsec) CME最可能源区的日面经度 Phi_source:(arcsec) CME最可能源区的日面余纬度 source_err:(arcsec) CME源区在日面上的位置不确定度 POS_source_angle:(deg) CME源区的天空平面方位角 rel_wid:(rad) CME相对于其爆发速度与位置的相对宽度 Mass:(g) CME的质量估算值 SW_type:(string) ICME传播期间预期的太阳风类型,快太阳风记为(F),慢太阳风记为(S) Bz:(nT) L1点处磁场的z分量 DST:(signed int) CME持续期间L1点处测得的最小Dst指数 v_r_stat:(km/s) CME线速度的统计投影结果,即v_r_stat=LASCO_v*1.027+41.5(源自Pauris等人2020年发表于《Space Weather》的研究) Accel.:(m/s^2) CME从爆发到20倍太阳半径阶段的加速度 Analityc_w:(km/s) 通过拖曳模型(Drag-Based Model)方程解析反演得到的太阳风速度 Analityc_gamma:(km^-1) 通过拖曳模型方程解析反演得到的阻力参数值 filename:(string) 包含统计反演程序所得PDBM信息的文件名

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创建时间:
2021-09-20
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