NASA’s Crustal Dynamics Data Information System (CDDIS) archives global Very Long Baseline Interferometry (VLBI) celestial reference frame solution products.
DOI: 10.5067/VLBI/VLBI_global_soln_crf_001
Data Center Citation
Noll, Carey E., The Crustal Dynamics Data Information System: A resource to support scientific analysis using space geodesy, Advances in Space Research, Volume 45, Issue 12, 15 June 2010, Pages 1421-1440, ISSN 0273-1177, http://dx.doi.org/10.1016/j.asr.2010.01.018.
Data Citation
International VLBI Service for Geodesy and Astrometry (IVS) Global VLBI Celestial Reference Frame solution [online]. Available from the NASA Crustal Dynamics Data Information System DAAC, Greenbelt, MD, USA at: http://dx.doi.org/10.5067/VLBI/VLBI_global_soln_crf_001, Accessed [[enter user data access date]].
Other standard citation formats may be used for this data set and can be found at the DOI Citation Formatter website.
More information about CDDIS data citations and acknowledgments is available.
Summary
- Name: Global VLBI Celestial Reference Frame solution available from the Crustal Dynamics Data Information System (CDDIS)
- Format: IERS CRF
- Spatial Coverage: 90.0N to -90.0S, 180.0E to -180.0W
- Temporal Coverage: 2003-07-11 to 2023-10-16
- Temporal Resolution: daily
- File Size: up to 300 KB
Description
The Celestial Reference Frame product consists of updates to the International Celestial Reference Frame (ICRF). Analysis Centers contribute CRF solutions made in a manner compatible with IERS TN 23. CRF products are available on an irregular time schedule.
Data Access
The Global VLBI Celestial Reference Frame solution files are online: https://cddis.nasa.gov/archive/vlbi/ivsproducts/crf/
in subdirectories by year as follows: AAACCCCC.crf.gz
Code | Meaning |
---|---|
AAA | 3-character analysis center |
CCCCC | ????? |
gz | gzip compressed file |