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ASTROMETRIC UPDATE:
OCCULTATION BY (4132) BARTOK - 2014 Mar 27

[Detailed Finder Charts]


Updated:   2014 FEB 08, 23:12 UT

Event Rank : 12

(The event Rank is a measure of the likelihood of observing an event, and is equal to the probability of at least one successful observation by a team of two observers spaced 1/8 path width just inside opposite sides of the predicted path. An event rank of 100 indicates that the prediction is expected to be very accurate).


THE UPDATED PATH

Note: The duration given in the line below is the interval during which the occultation shadow sweeps across the Earth - please see the minute markers on the map to determine the approximate time for your location.

Bartok Update Map


On 2014 Mar 27 UT, the 11 km diameter asteroid (4132) Bartok will occult a 9.6 mag star in the constellation Sextans for observers along a very narrow path across Australia from Eucla roughly along the eastern Western Australia border to Wyndham.

In the case of an occultation, the combined light of the asteroid and the star will drop by 5.7 mag to 15.3 mag (the magnitude of the asteroid) for at most 1.1 seconds.

This update is based on UNSO/Flagstaff astrometry for the asteroid kindly provided by Alice Monet, historical astrometry from the MPC files (via AstDys), and the following catalogs for the star position: UCAC.

Additional details of this and other events are available at Steve Preston's website at http://www.asteroidoccultation.com/

EVENT DETAILS SUMMARY : Data for the target star : Data for the minor planet : The Occultation Path :
                   Centre              Star  Star   Sun      Path Limits           Error Limits
  E. Longitude   Latitude      U.T.    Alt    Az   Alt    Limit 1    Limit 2    Limit 3    Limit 4
      o  '  "     o  '  "    h  m  s     o     o     o    o  '  "    o  '  "    o  '  "    o  '  "
                                                        Longitude  Longitude  Longitude  Longitude
    130 25 33   -35  0  0   12 39 44    49     5   -40  130 29 13  130 21 53  131  8 30  129 42 34
    130 18 45   -34  0  0   12 39 52    50     5   -41  130 22 23  130 15  7  131  1 12  129 36 16

    130 11 52   -33  0  0   12 40  0    51     5   -41  130 15 28  130  8 17  130 53 50  129 29 52
    130  4 55   -32  0  0   12 40  8    52     5   -41  130  8 28  130  1 22  130 46 25  129 23 22
    129 57 52   -31  0  0   12 40 17    53     6   -42  130  1 23  129 54 22  130 38 57  129 16 45
    129 50 45   -30  0  0   12 40 26    54     6   -42  129 54 14  129 47 16  130 31 25  129 10  3
    129 43 33   -29  0  0   12 40 34    55     6   -43  129 47  0  129 40  6  130 23 50  129  3 14

    129 36 16   -28  0  0   12 40 43    56     7   -43  129 39 41  129 32 51  130 16 10  128 56 19
    129 28 54   -27  0  0   12 40 52    57     7   -43  129 32 17  129 25 31  130  8 27  128 49 18
    129 21 27   -26  0  0   12 41  1    58     7   -44  129 24 48  129 18  5  130  0 40  128 42 11
    129 13 54   -25  0  0   12 41 10    59     8   -44  129 17 14  129 10 35  129 52 49  128 34 58
    129  6 17   -24  0  0   12 41 19    60     8   -44  129  9 35  129  2 59  129 44 53  128 27 38

    128 58 34   -23  0  0   12 41 29    61     8   -45  129  1 51  128 55 18  129 36 54  128 20 13
    128 50 46   -22  0  0   12 41 38    62     9   -45  128 54  1  128 47 31  129 28 49  128 12 41
    128 42 53   -21  0  0   12 41 48    63     9   -45  128 46  7  128 39 39  129 20 41  128  5  2
    128 34 54   -20  0  0   12 41 57    64    10   -45  128 38  7  128 31 41  129 12 28  127 57 18
    128 26 50   -19  0  0   12 42  7    64    10   -45  128 30  1  128 23 38  129  4 10  127 49 27

    128 18 40   -18  0  0   12 42 17    65    11   -46  128 21 50  128 15 29  128 55 48  127 41 29
    128 10 24   -17  0  0   12 42 27    66    12   -46  128 13 34  128  7 14  128 47 20  127 33 25
    128  2  3   -16  0  0   12 42 36    67    12   -46  128  5 11  127 58 54  128 38 48  127 25 15
    127 53 35   -15  0  0   12 42 46    68    13   -46  127 56 43  127 50 27  128 30 11  127 16 57
    127 45  2   -14  0  0   12 42 56    69    14   -46  127 48  9  127 41 55  128 21 28  127  8 33

    127 36 22   -13  0  0   12 43  7    70    15   -46  127 39 29  127 33 16  128 12 40  127  0  3
    127 27 37   -12  0  0   12 43 17    71    16   -46  127 30 42  127 24 31  128  3 46  126 51 25
    127 18 45   -11  0  0   12 43 27    72    17   -46  127 21 49  127 15 40  127 54 47  126 42 40

Uncertainty in time = +/- 6 secs

Prediction of 2014 Feb  9.0

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