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Stellar Occultation by (3917) Franz Schubert on 2023-04-21 (22:21:04 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
Occultation UUID [and db] : 904830a0-ddb3-11f0-547e-5161ab167622 [observed] Occultation Date + Time : 2023-04-21 at 22:21:04 UT +/- 0.0 min [1] Object Designation : (3917) Franz Schubert Star Designation : GDR3 3699943561901595008 Star Coordinates (ICRF) : RA = 12 22 57.0652, DE = +01 14 59.046 [2] Star Magnitudes : G = 12.04 mag, RP = 11.39 mag, BP = 12.53 mag Object Magnitude : V = 17.21 mag Estimated Magnitude Drop : 5.2 mag Estimated Max. Duration : 0.7 sec Speed of the shadow : 7.8 km/s Object Mean Diameter : 5.8 km (src: astorb) => apparent = 6 mas Apparent Motion : 0.4500 arcs/min @ PA = 292 deg Horizontal Parallax : 6.1110 arcs Dynamical Class : MBA Elongation to Moon & Sun : 131° (sunlit = 4%), Sun = 153° Cross-track uncertainty : 0.4 mas = 0 km = 0.07 path-width (1-sig) RUWE and duplicate source : 1.82 mas, dup.src = 0 (0:false, 1:true) Ephemeris Reference : JPL#63 Note : FP:true [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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