Change log of the Radio Fundamental Catalogue. ############################################## 2024.10.05 rfc_2024c. Changes with respect to the previous release rfc_2024b -- Major revisisiobn of the catalogue format -- Paper describing the catalogue Petrov & Kovalev, "The Radio Fundamental Catalog", 2024, https://arxiv.org/abs/2410.11794 was accepted for publication ian th ApJS -- Changed citation instruction -- Changed web page -- processed four campaigns: bb177, bm317, bc151, and ud018 -- added 1 XS rdv experiment -- Added 35 new sources 2024.06.28 rfc_2024b. Changes with respect to the previous release rfc_2024a -- added 2 XS rdv experiment -- added 1 K-band EAVN experiments 2024.04.12 rfc_2024a. Changes with respect to the previous release rfc_2023d -- added 1 XS rdv experiment -- added 35 K-band ud009 experiments -- added 18 K-band ud015 experiments -- added 8 K-band EAVN experiments -- Updated estimates of correlated flux density that were missing in prior releases =============================================================================== 2024.01.03 rfc_2023d. Changes with respect to the previous release rfc_2023c Fixed a bug related to processing K-band =============================================================================== 2023.10.28 rfc_2023c. Changes with respect to the previous release rfc_2023b -- Added 4 rv experiments -- Added 10431 short intesnive experiments Incorporatd in data analysis all short so-called Intensive experiments Released single-band source positions =============================================================================== 2023.07.18 rfc_2023b. Changes with respect to the previous release rfc_2023a -- Bug fixes =============================================================================== 2023.03.31 rfc_2023a. Changes with respect to the previous release rfc_2022d -- Added 5 vcs12 experiments In total, 34 new sources were added =============================================================================== 2023.01.08 rfc_2022d. Changes with respect to the previous release rfc_2022c -- Added 3 rv experiments -- Added 24 vcs12 experiments In total, 779 new sources were added =============================================================================== 2022.01.02 rfc_2021d. Changes with respect to the previous release rfc_2021c -- Added 3 rv experiments -- Added 10 vcs12 experiments -- finished imaging vcs11 experi,ents In total, 668 new sources were added =============================================================================== 2021.10.04 rfc_2021c. Changes with respect to the previous release rfc_2021b -- Added 1 V592 SOFUS experiment In total, 48 new sources were added Changed paraterization of Earth orientation parameters estimation Added links to campaigns description =============================================================================== 2021.06.24 rfc_2021b. Changes with respect to the previous release rfc_2021a -- Added 1 V592 SOFUS experiment -- Added 1 BP245 experiment -- Added 10 BP175 experiments -- Added 2 bp251 K-band experiments In total, 106 new sources were added =============================================================================== 2021.04.02 rfc_2021a. Changes with respect to the previous release rfc_2020d -- Added 9 BR235 experiments -- Added 1 K-band EAVN astrometric experiment In total, 951 new source was added =============================================================================== 2020.12.21 rfc_2020d. Changes with respect to the previous release rfc_2020c -- Added 9 BR235 experiments -- Added 3 UG003 experiments In total, 1351 new sources were added =============================================================================== 2020.09.23 rfc_2020c. Changes with respect to the previous release rfc_2020b -- Added 2 RDV experiments -- Added 20 BP236 experiments -- Added 23 UG003 experiments -- Addded 4 KVN historuc experiments in 2012 -- Addded 2 n13jl01 KVN K-band survey experiments -- Addded 4 n13jl01 KVN K-band GCKVN experiments 1 new source was added =============================================================================== 2020.07.02 rfc_2020b. Changes with respect to the previous release rfc_2020a -- Added 5 VCS10 experiments -- Added 2 SOAP experiments -- Added 11 RDV experiments. -- Added 10 Galacic Center with KVN experiments. In total, 64 new sources were added =============================================================================== 2020.03.29 rfc_2020a. Changes with respect to the previous release rfc_2019d -- Added 5 VCS10 experiments -- Added 4 SOAP experiments -- Added 24 VCS-III experiments. -- Added 24 UD01 K-band experiments. In total, 206 new sources were added =============================================================================== 2019.12.31 rfc_2019d. Changes with respect to the previous release rfc_2019c -- Added 6 VCS10 experiments, 1 VEPS, and 4 SOAP experiments In total, 379 new sources were added Added links to VLASS and PanSTARRS images of RFC sources in the html version of the catalogue. =============================================================================== 2019.09.18 rfc_2019c. Changes with respect to the previous release rfc_2019b -- Added 9 VCS10 experiments In total, 724 new sources were added =============================================================================== 2019.08.10 rfc_2019b. Changes with respect to the previous release rfc_2019a -- Added 3 Low luminosity gamma-ray blazars experiments -- Added 8 RV VLBI experiments Two new sources were added =============================================================================== 2019.03.08 rfc_2019a. Changes with respect to the previous release rfc_2018d -- Added 2 Probing milliarcsecond optical structure through VLBI observations of Gaia detected AGNs -- Added 12 VLBA Survey of unassociated gamma-ray objects in the 7-year Fermi/LAT catalog -- Added 20 experiments of VLBA absolute astrometry program uf001 In total, 300 new sources were added, one was removed. =============================================================================== 2018.12.12 rfc_2018d. Changes with respect to the previous release rfc_2018c -- Added 4 SOAP experiments -- Added 3 Probing milliarcsecond optical structure through VLBI observations of Gaia detected AGNs -- Added 9 VLBA Survey of unassociated gamma-ray objects in the 7-year Fermi/LAT catalog -- Added 4 RV VLBA regular geodesy experiments Removed 0010+77A J0013+774A In total, 164 new sources were added, one was removed. =============================================================================== 2018.10.28 rfc_2018c. Changes with respect to the previous release rfc_2018b -- Added 2 SOAP experiments -- Added 8 Probing milliarcsecond optical structure through VLBI observations of Gaia detected AGNs -- Added 10 VLBA Survey of unassociated gamma-ray objects in the 7-year Fermi/LAT catalog In total, 121 new sources were added =============================================================================== 2018.08.13 rfc_2018b. Changes with respect to the previous release rfc_2018a -- Added 4 SOAP experiments -- Added 2 VEPS follow-up experiment -- Added 1 RV VLBA regular geodesy experiment -- Added 2 Probing milliarcsecond optical structure through VLBI observations of Gaia detected AGNs -- Added 21 VLBA Survey of unassociated gamma-ray objects in the 7-year Fermi/LAT catalog In total, 369 new sources were added =============================================================================== 2018.06.03 rfc_2018a. Changes with respect to the previous release rfc_2017d -- Added 1 SOAP experiments -- Added 1 RV VLBA regular geodesy experiment -- Added 7 VEPS follow-up experiments =============================================================================== 2018.03.05 rfc_2017c. Changes with respect to the previous release rfc_2017b -- Added 2 SOFUS experiments -- Added 1 SOAP experiments -- Added 2 VEPS experiments Fixed names of a number sources. Removed 10 of "faked sources": a close companion that was not confirmed by imaging. Cleaned a number of VCS9 experiments. In total, 28 new sources were added =============================================================================== 2017.08.07 rfc_2017b. Changes with respect to the previous release rfc_2017a -- Added 47 VCS9 VLBA experiments -- Added 3 RDV VLBA experiments -- Added 5 BJ083 experiments Fixed names of a number sources. In total, 1106 new sources were added =============================================================================== 2017.06.20 rfc_2017a. Changes with respect to the previous release rfc_2016d -- Added 12 VCS9 VLBA experiments -- Added 2 RDV VLBA experiments -- Added 3 VEPS experiments Fixed names of a number sources. In total, 1008 new sources were added =============================================================================== 2017.03.10 rfc_2016d. Changes with respect to the previous release rfc_2016c -- Added 10 VCS9 VLBA experiments -- Added 2 RDV VLBA experiments -- Added 3 VEPS experiments Fixed names of a number sources. In total, 1228 new sources were added =============================================================================== 2016.08.15 rfc_2016c. Changes with respect to the previous release rfc_2016b -- Added 12 VCS9 VLBA experiments -- Added 2 RDV VLBA experiments -- Added 1 LCS experiment -- Added 3 VEPS experiments Imaged a number of experiments. Added ~ 1500 images Fixed names of a number sources. In total, 689 new sources were added =============================================================================== 2016.04.24 rfc_2016b. Changes with respect to the previous release rfc_2016a -- Added 6 VCS9 VLBA experiments -- Added 4 RDV VLBA experiments -- Added 1 missed Bessel calibrator search experiment -- Added 9 vcs-i-i experiments, though no new sources -- Added last LCS experiment -- Added 3 VEPS experiments Imaged a number of experiments. Added 1440 images, including 483 images of sources that previously were not imaged. Fixed names of a number sources. In total, 605 new sources were added =============================================================================== 2016.01.03 rfc_2016a. Changes with respect to the previous release rfc_2015d -- Added 12 VCS9 VLBA experiment. -- Added 2 RDV VLBA experiment. -- Added 1 experiment of observations of optically bright compact radio sources 369 new sources were added The total number of sources has surpassed ten thousands and reached 10132 objects. =============================================================================== 2015.11.07 rfc_2015d. Changes with respect to the previous release rfc_2015c -- Added 1 veps experiments. -- Added 6 VCS9 VLBA experiment. In total, 253 new sources were added =============================================================================== 2015.08.07 rfc_2015c. Changes with respect to the previous release rfc_2015b -- Added 2 veps experiments. -- Added 5 Fermi follow-up experiments. -- Added 1 LBA Calibrator Survey experiment. In total, 230 new sources were added =============================================================================== 2015.04.25 rfc_2015b. Changes with respect to the previous release rfc_2015a -- Added 2 veps experiments -- Added 3 Fermi follow-up experiments. -- Fixed two source names from v493a experiment. In total, 160 new sources were added =============================================================================== 2015.22.02 rfc_2015a. Changes with respect to the previous release rfc_2014d -- Added wark1 experiment -- bug fixes =============================================================================== 2014.12.02 rfc_2014d. Changes with respect to the previous release rfc_2014c -- Added 1 LBA experiment. -- Added 2 RDV experiments. -- Corrected control file for X-band solution: the previous version counted some sessions twice and used suppression status of X/S pairs instead of X-band only observations. -- Added maps from rdv97, rdv101, and bg197 experiments =============================================================================== 2014.09.18 rfc_2014c. Changes with respect to the previous release rfc_2014b -- Added 4 RDV experiments. -- Corrected names of 27 sources. -- Removed 3 entries for sources previously regarded as double since their multiplicity was not confirmed by wide-field imaging. =============================================================================== 2014.04.26 rfc_2014b. Changes with respect to the previous release rfc_2014a -- Added 10 VCS8 experiments -- In total, 721 new sources were added. Just for comparison: the number of new sources in this quarterly update is greater than the total number of sources in the ICRF catalogue. =============================================================================== 2014.01.26 rfc_2014a. Changes with respect to the previous release rfc_2013d -- Added 2 RDV experiments -- Added 4 experiments with VLBA observations of Fermi sources. -- Corrected 45 wrong source names -- Fixed an error (unsuppressed bad point) that affected rfc_2013c, rfc_2013d catalogue -- In total, 71 new sources were added =============================================================================== 2013.10.13 rfc_2013d. Changes with respect to the previous release rfc_2013c -- Added 3 VCS7 experiments -- Added 2 RDV experiment -- Added 3 experiment of VLBA observations of Fermi sources. -- Added 1 LBA experiment -- Corrected 8 wrong entries: duplicate names, wrong names, etc. -- In total, 357 new sources were added =============================================================================== 2013.06.28 rfc_2013c. Changes with respect to the previous release rfc_2013b -- Added 7 VCS7 experiments -- Added 1 RDV experiment -- Corrected 6 wrong entries: duplicate names, wrong names, etc. -- In total, 330 new sources were added =============================================================================== 2013.04.19 rfc_2013b. Changes with respect to the previous release rfc_2013a -- Added 5 VCS7 experiments -- Added 11 calibrator experiments in the Galactic plane -- Added 2 RDV experiments -- In total, 408 new sources were added =============================================================================== 2013.01.11 rfc_2013a. Changes with respect to the previous release rfc_2012c -- Added 1 RDV experiment -- Corrected names of 8 sources -- Removed 4 duplicates =============================================================================== 2012.08.11 rfc_2012c. Changes with respect to the previous release rfc_2012b -- Added 10 V2M experiments -- Added 2 LCS experiment -- Added 1 FAPSO experiment -- Corrected names of 6 sources In total, 167 new sources were added 2012.04.15 rfc_2012b. Changes with respect to the previous release rfc_2012a =============================================================================== -- Added 23 V2M experiments -- Added 6 regular absolute astrometry and geodesy VLBA experiments RDV -- Added 2 KQ experiments in 2011 -- Added 6 X/S VLBI observations of optically bright quasars. -- Corrected names of 19 sources In total, 444 new sources were added 2012.02.05 rfc_2012a. Changes with respect to the previous release rfc_2011d =============================================================================== -- Added 11 V2M experiments -- Added 3 EVN absolute astrometry experiments EC013, EC017A, EC017C -- Re-analysis of all VLBA geodetic experiments in 1994-1997 has been completed; -- Two experiments bb041 have been re-analyzed; -- Three experiments bb119 (CJ snapshot survey; 6cm, 16 MHz bandwidth) have been re-analyzed; In total, 61 sources added 2011.10.10 rfc_2011d. Changes with respect to the previous release rfc_2011c =============================================================================== -- Reprocessed 17 rdv and pre-rdv experiments with PIMA. -- Added 17 V2M experiments -- Added 1 LCS experiment In total, 86 sources added 2011.06.22 rfc_2011c. Changes with respect to the previous release rfc_2011b =============================================================================== -- Reprocessed 4 rdv experiments with PIMA, staring from rdv10 -- Added 6 V2M experiments -- Added reanalysis of 25 VLBA BeSSeL Calibrator Survey experiments. In total, 244 sources added 2011.05.15. rfc_2011b. Changes with respect to the previous release rfc_2011a =============================================================================== -- Reprocessed 13 rdv experiments with PIMA, staring from rdv18 -- Added 6 V2M experiments -- Added reanalysis of 9 VLBA BeSSeL Calibrator Survey experiments. -- Added the C-band VLBA survey of FIRST sources. -- Computed median correlated flux density for sources without images available for VCS, C-band VLBA survey of FIRST sources, VERA K-cal survey, VLBA Survey of optically bright objects and some others. In total, 307 sources added 2011.03.08. rfc_2011a. Changes with respect to the previous release 2010d_astro =============================================================================== -- Reprocessed 5 VCS1 experiments with PIMA -- Reprocessed rdv40-rdv45; rdv81-rdv82 experiments with PIMA -- Addded 12 V2M experiments -- Addded 2 FAPS experiments -- Addded 11 VIPS experiments -- Addded 1 LCS experiment (v271f) In total, 571 sources added 2010.12.27. rfc_2010d. Changes with respect to the previous release 2010c_astro =============================================================================== -- Reprocessed 6 VCS1 experiments with PIMA -- Reprocessed rdv33 experiment with PIMA -- Addded 6 V2M experiments -- Addded 1 FAPS experiment In total, 137 sources added 2010.09.13. rfc_2010c. Changes with respect to the previous release 2010b_astro =============================================================================== -- Included 5 C-band exeriuments : 3 VIPS and from 2 Bologna survey -- Addded 8 V2M experiments In total, 350 more sources added 2010.07.25. rfc_2010b. Changes with respect to the previous release 2010a_astro =============================================================================== -- All K-band VLBA experiments have been reprocessed with PIMA. -- VCS2, VCS5, VCS6 observations have been reprocessed with PIMA. -- Two more RDV experiments, rdv18 and rdv51 were reprocessed with PIMA. -- Sources with less than 3 detections were removed from the catalogue. -- The catalogue now contains new entries for maps and estimates of the correlated flux density at K-band. -- K-band only data are processed now in a separate run. -- Statistics of K-band observations were computed. -- New images from the K-band Galactic Plane Survey were added to the database. -- The catalogue now contains estimates of the correlated flux density from LBA observations. -- Ionosphere calibration from GPS ionosphere models was applied for processing single-band observations. -- Reweighting scheme was changed. -- Classification "C" (calibrator), "N" (non-calibrator) was changed. The previous scheme marked a source as a non-calibrator if it did not have X/S observations. That had sense when all the data were observed at X/S mode. The new scheme lifts that condition. A source is marked as a calibrator if it has a) 8 or used observations and b) has the semi-major axis of the error-ellipse less than 25 nrad. -- mailing list was created.