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The current work is the second of this series, where we analyze the Kepler long-cadence data of 132,921 main-sequence F and G stars and late subgiant stars. Rotation-period candidates are obtained by combining wavelet analysis with autocorrelation function. Reliable rotation periods are then selected via a machine-learning (ML) algorithm, automatic selection, and complementary visual inspection. The ML training data set comprises 26,521 main-sequence K and M stars from Paper I. To supplement the training, we analyze in the same way as Paper I, i.e., automatic selection and visual inspection, 34,100 additional stars. We finally provide rotation periods <jats:italic>P<\/jats:italic>\n                  <jats:sub>rot<\/jats:sub> and associated photometric activity proxy <jats:italic>S<\/jats:italic>\n                  <jats:sub>ph<\/jats:sub> for 39,592 targets. Hotter stars are generally faster rotators than cooler stars. For main-sequence G stars, <jats:italic>S<\/jats:italic>\n                  <jats:sub>ph<\/jats:sub> spans a wider range of values with increasing effective temperature, while F stars tend to have smaller <jats:italic>S<\/jats:italic>\n                  <jats:sub>ph<\/jats:sub> values in comparison with cooler stars. Overall for G stars, fast rotators are photometrically more active than slow rotators, with <jats:italic>S<\/jats:italic>\n                  <jats:sub>ph<\/jats:sub> saturating at short periods. The combined outcome of the two papers accounts for average <jats:italic>P<\/jats:italic>\n                  <jats:sub>rot<\/jats:sub> and <jats:italic>S<\/jats:italic>\n                  <jats:sub>ph<\/jats:sub> values for 55,232 main-sequence and subgiant FGKM stars (out of 159,442 targets), with 24,182 new <jats:italic>P<\/jats:italic>\n                  <jats:sub>rot<\/jats:sub> detections in comparison with McQuillan et al. The upper edge of the <jats:italic>P<\/jats:italic>\n                  <jats:sub>rot<\/jats:sub> distribution is located at longer <jats:italic>P<\/jats:italic>\n                  <jats:sub>rot<\/jats:sub> than found previously.<\/jats:p>","DOI":"10.3847\/1538-4365\/ac033f","type":"journal-article","created":{"date-parts":[[2021,7,19]],"date-time":"2021-07-19T11:10:44Z","timestamp":1626693044000},"page":"17","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":137,"title":["Surface Rotation and Photometric Activity for Kepler Targets. II. G and F Main-sequence Stars and Cool Subgiant Stars"],"prefix":"10.3847","volume":"255","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7195-6542","authenticated-orcid":false,"given":"A. R. G.","family":"Santos","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0377-0740","authenticated-orcid":false,"given":"S. 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