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The Minor Planet Observer
and
Palmer Divide Observatory

1509 Esclangona (2004)

MPC Designation: 1938 YG
Lightcurves Period (h): 3.247 ± 0.002
Amplitude (mag): 0.13 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1024 SITe
Exposure: 120

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2004-12-20 06:00  15.54   25.3   49.9   20.8
2004-12-24 06:00  15.62   26.3   50.6   19.9
2004-12-25 06:00  15.64   26.5   50.8   19.7

Data Points: 139
Discovered: 1938-12-21  Nice  A. Patry
Family/Group: Hungaria
Taxonomic Class: S
Published: MPB 32, 54-58
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

This was a known binary (Merline et al., 2003). There was no obvious evidence of the satellite in the 2004 apparition.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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