ARRCAT - CME arrival times and speeds with heliospheric imagers

---

In this ARRival CATalog (ARRCAT), the arrivals of solar coronal mass ejections (CMEs) that were tracked by the STEREO heliospheric imagers are calculated. ARRCAT lists modeled arrivals of CMEs at various spacecraft and planets, based on the HIGeoCAT catalog of CMEs established at RAL Space, UK (R. A. Harrison, J. A. Davies, D. Barnes). It is a living catalog, updated about every 2 months.
Here is an animation that visualizes the CMEs observed with STEREO-A HI and various in situ data starting from April 2020 to December 2020.
The source code to produce this catalog is available here.

This is version 2.0, released 2020-May-13, updated 2025-April-2. https://doi.org/10.6084/m9.figshare.12271292

It is based on this HIGeoCAT version: HCME_WP3_V06.vot and uses the SSEF30 model results.

The catalog is available as python pandas dataframe (pickle), python numpy structured array (pickle), python numpy structured array (.npy, no pickle), json, csv, xlsx, txt, hdf5, html, html with comments, and this is the header txt file with comments, references and parameter descriptions.

Here is a a google colab notebook that demonstrates how to work with this and other catalogs on helioforecast.space in python.
Or simply use these lines to import the ARRCAT into python as a pandas dataframe:

import pandas as pd
url='https://helioforecast.space/static/sync/arrcat/HELCATS_ARRCAT_v20.csv'
ac=pd.read_csv(url)
print(ac.keys())

Here is an interactive plot to see the 3D position of the target at CME impact in HEEQ coordinates. Rotate with left mouse click, pan with right mouse click.

Number of events in ARRCAT: 3096
Targets: Earth_L1, Mercury, Venus, Mars, STEREO-A, STEREO-B, Solar Orbiter, Parker Solar Probe (PSP), BepiColombo, Venus Express (VEX), MESSENGER, Ulysses, JUNO, JUICE.
Time range: April 2007 - February 2025.

Authors: C. Möstl (1), E. Weiler (1), E. E. Davies(1), D. Barnes (2), R. A. Harrison (2), J. A. Davies (2).
(1) Austrian Space Weather Office, GeoSphere Austria, Graz, Austria; (2) RAL Space, Didcot, UK.
We acknowledge the use of spiceypy python package.

Rules of the road: If results are produced with this catalog for peer-reviewed scientific publications, please contact chris.moestl@outlook.com for co-authorships.

In the search box, typing e.g. "STEREO-A 2012" selects all events with target STEREO-A in the year 2012.
The events are sorted by parameter "target_arrival_time".