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Stellar Occultation by (16) Psyche on 2024-10-08 (21:41:33 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] : 7f0ddf40-ddb5-11f0-547e-3e24ff7fe8db [observed] Occultation Date + Time : 2024-10-08 at 21:41:33 UT +/- 0.02 min [1] Object Designation : (16) Psyche Star Designation : GDR3 6861426348052317440 Star Coordinates (ICRF) : RA = 20 42 39.7788, DE = -18 06 34.716 [2] Star Magnitudes : G = 7.27 mag, RP = 6.99 mag, BP = 7.42 mag Object Magnitude : V = 10.86 mag Estimated Magnitude Drop : 3.6 mag Estimated Max. Duration : 39.9 sec Speed of the shadow : 6.3 km/s Object Mean Diameter : 253.2 km (src: astorb) => apparent = 166 mas Apparent Motion : 0.2500 arcs/min @ PA = 85 deg Horizontal Parallax : 4.1920 arcs Dynamical Class : MBA Elongation to Moon & Sun : 45° (sunlit = 31%), Sun = 112° Cross-track uncertainty : 1.7 mas = 2 km = 0.01 path-width (1-sig) RUWE and duplicate source : 1.0 mas, dup.src = 1 (0:false, 1:true) Ephemeris Reference : JPL#92 Note : FP:true Object is a <Gaia mass determination> target ! [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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