The Pan-STARRS1 Surveys

Author(s): Chambers, KC; Magnier, EA; Metcalfe, N; Flewelling, HA; Huber, ME; Waters, CZ; Denneau, L; Draper, PW; Farrow, D; Finkbeiner, DP; Holmberg, C; Koppenhoefer, J; Price, PA; Saglia, RP; Schlafly, EF; Smartt, SJ; Sweeney, W; Wainscoat, RJ; Burgett, WS; Grav, T; Heasley, JN; Hodapp, KW; Jedicke, R; Kaiser, N; Kudritzki, R-P; Luppino, GA; Lupton, RH; Monet, DG; Morgan, JS; Onaka, PM; Stubbs, CW; Tonry, JL; Banados, E; Bell, EF; Bender, R; Bernard, EJ; Botticella, MT; Casertano, S; Chastel, S; Chen, W-P; Chen, X; Cole, S; Deacon, N; Frenk, C; Fitzsimmons, A; Gezari, S; Goessl, C; Goggia, T; Goldman, B; Grebel, EK; Hambly, NC; Hasinger, G; Heavens, AF; Heckman, TM; Henderson, R; Henning, T; Holman, M; Hopp, U; Ip, W-H; Isani, S; Keyes, CD; Koekemoer, A; Kotak, R; Long, KS; Lucey, JR; Liu, M; Martin, NF; McLean, B; Morganson, E; Murphy, DNA; Nieto-Santisteban, MA; Norberg, P; Peacock, JA; Pier, EA; Postman, M; Primak, N; Rae, C; Rest, A; Riess, A; Riffeser, A; Rix, HW; Roser, S; Schilbach, E; Schultz, ASB; Scolnic, D | Abstract: Pan-STARRS1 has carried out a set of distinct synoptic imaging sky surveys including the $3\pi$ Steradian Survey and the Medium Deep Survey in 5 bands (\grizy). The mean 5$\sigma$ point source limiting sensitivities in the stacked 3$\pi$ Steradian Survey in \grizy are (23.3, 23.2, 23.1, 22.3, 21.4) respectively. The upper bound on the systematic uncertainty in the photometric calibration across the sky is 7-12 millimag depending on the bandpass. The systematic uncertainty of the astrometric calibration using the Gaia frame comes from a comparison of the results with Gaia: the standard deviation of the mean and median residuals ($ \Delta ra, \Delta dec $ ) are (2.3, 1.7) milliarcsec, and (3.1, 4.8) milliarcsec respectively. The Pan-STARRS system and the design of the PS1 surveys is described and an overview of the resulting image and catalog data products and their basic characteristics are described together with a summary of important results. The images, reduced data products, and derived data products from the Pan-STARRS1 surveys are available to the community from the Mikulski Archive for Space Telescopes (MAST) at STScI.