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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       : JPL63
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


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