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The Minor Planet Observer
and
Palmer Divide Observatory

54 Alexandra (2008)

MPC Designation:
Lightcurves Period (h): 7.028 0.001
Amplitude (mag): 0.10 0.01
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/10 SCT
Camera: SBIG ST-9E
Exposure: 90

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2008-01-17 06:00  12.35    3.7  126.6    2.2
2008-01-20 04:00  12.27    2.7  126.5    2.1
2008-01-23 07:00  12.19    1.6  126.4    2.0
2008-01-24 05:00  12.16    1.2  126.3    1.9
2008-01-25 07:00  12.13    0.9  126.3    1.9

Data Points: 787
Discovered: 1858-09-10  Paris  H. Goldschmidt
Family/Group: Eunomia
Taxonomic Class: C
Published: MPB 35, 167-171
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Collaboration with J. Durech, M. Fauerbach, S. Marks. Spin axis (318, 23) or (156, 13) with P_sidereal = 7.0226456 h. Only PDO data are shown.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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