# Tracing the 14 C bomb peak in Pierre Soulages' artworks to improve radiocarbon dating of 20th century paintings

L. Beck, P. Hélou-de la Grandière, C. Coustet, M. Thoury, I. Caffy, E.

Delqué-Količ, J.-P. Dumoulin, A. Quiles

► To cite this version:

L. Beck, P. Hélou-de la Grandière, C. Coustet, M. Thoury, I. Caffy, et al. Tracing the 14 C bomb peak in Pierre Soulages' artworks to improve radiocarbon dating of 20th century paintings. 2025, pp.1 - 11. 10.1017/rdc.2025.10135. hal-05468687

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# Tracing the ¹⁴C bomb peak in Pierre Soulages’ artworks to improve radiocarbon dating of 20th century paintings – ERRATUM

L. Beck<sup>D</sup>, P. Hélou-de La Grandière, C. Coustet, M. Thoury, I. Caffy, E. Delqué-Količ, J.-P. Dumoulin<sup>D</sup> and A. Quiles<sup>D</sup>

DOI: https://doi.org/10.1017/RDC.2025.10135, Published by Cambridge University Press, 06 November 2025.

The above article was published with the crossed out entries in Tables 1 and 2 omitted. The tables should appear as follows. The publishers apologise for this error.

## Reference

Beck L, Hélou-de La Grandière P, Coustet C, et al. Tracing the ¹⁴C bomb peak in Pierre Soulages’ artworks to improve radiocarbon dating of 20th century paintings. *Radiocarbon*. Published online 2025:1-11. doi: 10.1017/RDC.2025.10135

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<table><caption>**Table 1.** F<sup>14</sup>C, calibrated date ranges and time interval between the painting date and the <sup>14</sup>C calibrated date for canvas samples from the paintings by Pierre Soulages. All dates were calibrated using OxCal v.4.2.4 and the Bomb21 NH1 curve (Hua et al. 2022) with a confidence level of 95.4 %. Dates crossed out or in brackets were rejected (see detailed explanations in the text). *: undeterminable. **: for confidentiality reasons, it is not possible to provide the full title of the paintings.</caption><thead><tr><th rowspan="2">Catalogue raisonné page</th><th rowspan="2">Sample number</th><th rowspan="2">Month-Year of the painting**</th><th rowspan="2">Lab. number (SacA) for CANVAS</th><th rowspan="2">CANVASF<sup>14</sup>C uncertainty</th><th colspan="2">CANVAS calibrated date (cal AD)</th><th colspan="2">Time interval between the painting date and the <sup>14</sup>C calibrated date (in years)</th></tr><tr><th>range 1</th><th>range 2</th><th>shortest duration</th><th>longest duration</th></tr></thead><tbody><tr><td>t1, p.235</td><td>PS1</td><td>Apr-1956</td><td>68629</td><td>0.96823</td><td>0.00233</td><td>before 1795</td><td>1949-1952</td><td>4</td><td>7</td></tr><tr><td>t1, p.271</td><td>PS3</td><td>Oct-1958</td><td>73300</td><td>0.99151</td><td>0.00309</td><td>before 1917</td><td>1953-1954</td><td>4</td><td>5</td></tr><tr><td>t2, p.50</td><td>PS6</td><td>Oct-1959</td><td>74716</td><td>1.59271</td><td>0.00328</td><td>1963</td><td>1967-1968</td><td>*</td><td>*</td></tr><tr><td rowspan="2">t2, p.48</td><td rowspan="2">PS8</td><td rowspan="2">1959</td><td>68630</td><td>0.99342</td><td>0.00228</td><td>before 1910</td><td>1953-1955</td><td>4</td><td>6</td></tr><tr><td>68631</td><td>0.99328</td><td>0.00226</td><td>before 1910</td><td>1953-1955</td><td>4</td><td>6</td></tr><tr><td>t2, p.46</td><td>PS9</td><td>Nov-1959</td><td>68632</td><td>0.98888</td><td>0.00317</td><td>before 1917</td><td>1953-1954</td><td>5</td><td>6</td></tr><tr><td>t2, p.46</td><td>PS10</td><td>1959</td><td>73302</td><td>0.98939</td><td>0.00236</td><td>before 1917</td><td>1953-1954</td><td>5</td><td>6</td></tr><tr><td>t2, p.53</td><td>PS12</td><td>Dec-1959</td><td>68633</td><td>1.04871</td><td>0.00229</td><td>1956</td><td>2008-2011</td><td>3</td><td>3</td></tr><tr><td>t2, p.54</td><td>PS14</td><td>Dec-1959</td><td>68634</td><td>0.99561</td><td>0.00227</td><td>before 1907</td><td>1953-1955</td><td>5</td><td>6</td></tr><tr><td rowspan="2">t2, p.52</td><td rowspan="2">PS15</td><td rowspan="2">Dec-1959</td><td>68635</td><td>1.01758</td><td>0.00228</td><td>1955</td><td>2015-2018</td><td>4</td><td>4</td></tr><tr><td>68636</td><td>1.01893</td><td>0.00229</td><td>1955</td><td>2014-2018</td><td>4</td><td>4</td></tr><tr><td>t2, p.41</td><td>PS16</td><td>Dec-1959</td><td>68637</td><td>0.97906</td><td>0.00225</td><td>before 1917</td><td>1953-1954</td><td>5</td><td>6</td></tr><tr><td>t2, p.51</td><td>PS18</td><td>Mar-1960</td><td>68638</td><td>1.05518</td><td>0.00244</td><td>1956-1957</td><td>2006-2009</td><td>3</td><td>4</td></tr><tr><td rowspan="2">t2, p.47</td><td rowspan="2">PS19</td><td rowspan="2">Mar-1960</td><td>68639</td><td>1.05468</td><td>0.00234</td><td>1956-1957</td><td>2007-2009</td><td>3</td><td>4</td></tr><tr><td>68640</td><td>1.05661</td><td>0.00233</td><td>1956-1957</td><td>2005-2009</td><td>3</td><td>4</td></tr><tr><td>t2, p.45</td><td>PS20</td><td>Mar-1960</td><td>68641</td><td>1.05444</td><td>0.00237</td><td>1956-1957</td><td>2007-2009</td><td>3</td><td>4</td></tr><tr><td>t2, p.55</td><td>PS21</td><td>Apr-1960</td><td>73304</td><td>1.05772</td><td>0.00343</td><td>1956-1957</td><td>2005-2009</td><td>3</td><td>4</td></tr><tr><td>t2, p.86</td><td>PS23</td><td>Aug-1961</td><td>69950</td><td>1.23511</td><td>0.00287</td><td>1959-1962</td><td>1982-1983</td><td>0</td><td>2</td></tr><tr><td>t2, p.105</td><td>PS24</td><td>Apr-1962</td><td>69951</td><td>1.38209</td><td>0.00291</td><td>1962</td><td>1974-1976</td><td>0</td><td>0</td></tr><tr><td>t2, p.118</td><td>PS25</td><td>Sep-1963</td><td>69952</td><td>1.20712</td><td>0.00272</td><td>1959-1961</td><td>1983-1985</td><td>2</td><td>4</td></tr><tr><td>t2, p.164</td><td>PS27</td><td>June-1964</td><td>69953</td><td>1.15922</td><td>0.00272</td><td>1958-1959</td><td>1989-1990</td><td>5</td><td>6</td></tr><tr><td>t2, p.174</td><td>PS28</td><td>Nov-1965</td><td>69954</td><td>1.19804</td><td>0.00304</td><td>1958-1961</td><td>1985-1987</td><td>4</td><td>7</td></tr><tr><td>t2, p.189</td><td>PS29</td><td>Oct-1967</td><td>69955</td><td>1.74956</td><td>0.00326</td><td>1963</td><td>1964-1965</td><td>2</td><td>4</td></tr><tr><td>t2, p.215</td><td>PS30</td><td>May-1968</td><td>69956</td><td>1.71299</td><td>0.0036</td><td>1965</td><td>1966</td><td>2</td><td>3</td></tr><tr><td>t2, p.250</td><td>PS31</td><td>Sep-1971</td><td>69957</td><td>1.37944</td><td>0.00344</td><td>1962</td><td>1974-1976</td><td>9</td><td>9</td></tr><tr><td>t2, p.292</td><td>PS32</td><td>Apr-1975</td><td>69958</td><td>1.25288</td><td>0.00301</td><td>1959-1962</td><td>1980-1982</td><td>13</td><td>16</td></tr><tr><td>t3, p.82-83</td><td>PS33</td><td>June-1979</td><td>69959</td><td>1.62941</td><td>0.00345</td><td>(1963)</td><td>1967-1968</td><td>11</td><td>12</td></tr><tr><td>t3, p.50</td><td>PS34</td><td>Jan-1981</td><td>69960</td><td>1.4698</td><td>0.00323</td><td>(1962-1963)</td><td>1972-1973</td><td>8</td><td>9</td></tr></tbody></table>
<table><caption>**Table 2.** F<sup>14</sup>C, calibrated date ranges and time interval between the painting date and the <sup>14</sup>C calibrated date for binder samples from the paintings by Pierre Soulages. All dates were calibrated using OxCal v.4.2.4 and the Bomb21 NH1 curve (Hua et al. 2022) with a confidence level of 95.4%. Dates crossed out or in brackets were rejected (see detailed explanations in the text). **: for confidentiality reasons, it is not possible to provide the full title of the paintings.</caption><thead><tr><th rowspan="2">Catalogue raisonné page</th><th rowspan="2">Sample number</th><th rowspan="2">Month-Year of the painting**</th><th rowspan="2">Lab. number (SacA) for BINDER</th><th rowspan="2">BINDERF<sup>14</sup>C</th><th rowspan="2">BINDERF<sup>14</sup>C uncertainty</th><th colspan="2">BINDER Calibrated date (cal AD)</th><th colspan="2">Time interval between the painting date and the <sup>14</sup>C calibrated date (in years)</th></tr><tr><th>range 1</th><th>range 2</th><th>shortest duration</th><th>longest duration</th></tr></thead><tbody><tr><td>t1, p.271</td><td>PS3</td><td>13/10/1958</td><td>74352</td><td>0.99496</td><td>0.00247</td><td>Before 1900</td><td>1953-1955</td><td>3</td><td>5</td></tr><tr><td>t2, p.48</td><td>PS8</td><td>Nov-1959</td><td>69840</td><td>1.04324</td><td>0.00241</td><td>1956</td><td>2010-2012</td><td>3</td><td>3</td></tr><tr><td>t2, p.46</td><td>PS10</td><td>1959</td><td>74353</td><td>1.0332</td><td>0.00316</td><td>1955-1956</td><td>2011-2014</td><td>3</td><td>4</td></tr><tr><td>t2, p.53</td><td>PS12</td><td>Dec-1959</td><td>69841</td><td>1.09676</td><td>0.0025</td><td>1957-1958</td><td>1998-2000</td><td>1</td><td>2</td></tr><tr><td>t2, p.54</td><td>PS14</td><td>Dec-1959</td><td>69842</td><td>1.04493</td><td>0.0024</td><td>1956</td><td>2009-2012</td><td>3</td><td>3</td></tr><tr><td>t2, p.51</td><td>PS18</td><td>Mar-1960</td><td>69843</td><td>1.1451</td><td>0.00254</td><td>1958</td><td>1990-1992</td><td>2</td><td>2</td></tr><tr><td>t2, p.47</td><td>PS19</td><td>Mar-1960</td><td>69844</td><td>1.09028</td><td>0.00275</td><td>1957</td><td>1999-2002</td><td>3</td><td>3</td></tr><tr><td>t2, p.45</td><td>PS20</td><td>Mar-1960</td><td>69845</td><td>1.08621</td><td>0.00231</td><td>1957</td><td>2000-2002</td><td>3</td><td>3</td></tr><tr><td>t2, p.86</td><td>PS23</td><td>Aug-1961</td><td>70540</td><td>1.13513</td><td>0.00289</td><td>1958</td><td>1991-1993</td><td>3</td><td>3</td></tr><tr><td>t2, p.118</td><td>PS25</td><td>Sept-1963</td><td>70541</td><td>1.08962</td><td>0.00336</td><td>1957</td><td>1999-2002</td><td>6</td><td>4</td></tr><tr><td>t2, p.174</td><td>PS28</td><td>Nov-1965</td><td>70543</td><td>1.27865</td><td>0.00308</td><td>1959 and 1961-1962</td><td>1979-1980</td><td>3</td><td>6</td></tr><tr><td>t2, p.250</td><td>PS31</td><td>Sept-1971</td><td>70545</td><td>1.02937</td><td>0.00304</td><td>1955-1956</td><td>2012-2025</td><td>15</td><td>16</td></tr><tr><td>t2, p.292</td><td>PS32</td><td>Apr-1975</td><td>70546</td><td>0.97683</td><td>0.00287</td><td>before 1953</td><td></td><td>22</td><td>22</td></tr></tbody></table>

Cite this article: Beck L, Hélou-de La Grandière P, Coustet C, Thoury M, Caffy I, Delqué-Količ E, Dumoulin J-P, and Quiles A. Tracing the <sup>14</sup>C bomb peak in Pierre Soulages' artworks to improve radiocarbon dating of 20th century paintings – ERRATUM. *Radiocarbon* 1–3. https://doi.org/10.1017/RDC.2025.10170