Characteristics of storm time ion composition in the near-Earth plasma sheet using Geotail and RBSP measurements

Earth, Planets and Space

Table 2 List of intense and moderate geomagnetic storms along with their quiet days is shown for solar cycle 23 and 24

Geomagnetic storm	Bz (nT)	Peak value of Psw (nPa)	Time for -Bz (hr)	mp onset time (hh:mm)	Duration for mp (hh:mm)	Min value of Sym-H (nT)	Energy density of individual species (keV/cm⁻³)			Energy ratio
Geomagnetic storm	Bz (nT)	Peak value of Psw (nPa)	Time for -Bz (hr)	mp onset time (hh:mm)	Duration for mp (hh:mm)	Min value of Sym-H (nT)	H⁺	O⁺	He⁺	He⁺/H⁺	O⁺/H⁺
10/02/1997^S	− 6	~ 0	15	03:14	03:27	− 63	0.9731	0.0734	0.0057	0.0058	0.0808
4–5/02/1997^Q							0.4225	0.0173	0.0046	0.0102	0.029
24/04/2000^S	− 12	5	4	12:22	01:38	− 78	0.1681	0.3707	0.0113	0.072	3.1354
13/04/2000^Q							0.0885	0.0222	0.0025	0.036	0.7462
06/11/2001^S	− 77	–	2	01:55	02:11	− 320	2.0358	21.0109	0.893	0.493	11.6758
27/11/2001^Q							0.5535	0.0431	0.0168	0.026	0.0642
20/11/2003^S	− 52	16	12	13:10	05:07	− 490	16.9703	47.3279	0.721	0.0424	2.8556
4–5/11/2003^Q							0.681	0.0762	0.0078	0.0172	0.732
28/05/2011^S	− 10	7	6	09:15	02:45	− 94	0.8821	0.0231	0.0138	0.0162	0.023
22/05/2011^Q							0.2913	0.0184	0.0032	0.0216	0.0411
5–6/08/2011^S	− 21	39	–	00:51	02:32	− 126	1.8272	0.6826	0.0437	0.021	0.5428
10/08/2011^Q							0.1459	0.0005	0.0021	0.0252	0.0191
30/09/2012& 01/10/2012^S	− 18	9	2	00:00	03:52	− 138	0.267	0.4102	0.008	0.043	2.7045
27/10/2012^Q							0.1944	0.0066	0.0037	0.019	0.0309
17/03/2015^S	− 25	39	1.5	07:48	14:59	− 234	4.3	3.8	0.0922	0.0232	1.3326
11/03/2015^Q							5.1	0.52	0.079	0.0152	0.1061

The superscript S and Q above the geomagnetic storm date corresponds to the geomagnetic storm and quiet intervals. The table gives the interplanetary details like peak of southward IMF Bz and Psw, time duration for southward Bz, main phase (mp) onset and its duration in hh:mm format. The minimum value of Sym-H and corresponding energy densities measured using Geotail spacecraft