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The Minor Planet Observer
and
Palmer Divide Observatory

1987 Kaplan (2000)

MPC Designation: 1952 RH
Lightcurves Period (h): 9.46 0.01
Amplitude (mag): 0.47 0.01
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/4.58 RC
Camera: ST-8
Exposure: 30

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2000-10-14 07:00  14.19   22.4   35.8   33.3
2000-10-15 07:00  14.19   22.3   35.9   33.4
2000-10-16 07:00  14.19   22.1   36.1   33.4

Data Points: 363
Discovered: 1952-09-11  Simeis  P.F. Shajn
Family/Group: Phocaea
Taxonomic Class: S (Assumed)
Published: MPB 38, 63-65
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

MPB 28, 40-41: P = 9.49, A = 0.46, U = 3.

Remeasuring the images found a slightly shorter period and was done mainly to have the data on an internal system calibrated with 2MASS to BVRI conversions (Warner, MPB 34, 113-119).

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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