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Doubles in session


Current system
20171+1536
CHE 272


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CHE 254AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20171+1536 CHE 272 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Che1908 Pa - Chevalier, Stanislas .
Che1908 Shanghai Obs. Zo-Se 4, 60, 1908 (corrections described in Bko2011c and Hrt2012b)
Che1909 Pa - Chevalier, Stanislas .
Che1909 Shanghai Obs. Zo-Se 5, 86, 1909 (corrections are described in Hrt2012b)
Che1910 Ma j Chevalier, Stanislas & Tsang Ziang-seng .
Che1910 +Pa Shanghai Obs. Zo-Se 6, O5, 1910 (corrections are described in Hrt2012b)
Che1911 Ma - Chevalier, Stanislas .
Che1911 +Pa Shanghai Obs. Zo-Se 7, B1, 1911 (corrections are described in Hrt2012b)
Che1925 Pa - Chevalier, Stanislas 1925JO......8...65G
Che1925 J. Obs. 8, 65, 1925
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+1536 CHE 272 2006 2 105 17.8 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2008 3 105 18.0 10.21 10.37 201704.05+153504.7
20171+1536 CHE 272 2010 7 105 17.9 12.70 13.30 201704.03+153504.4
20171+1536 CHE 272 2015 8 105 17.9 12.70 13.30 201704.03+153504.4
20171+1536 CHE 272 2019 13 104 17.4 12.70 13.30 201704.03+153504.4

If you need more information about this double, apply for a data request form to the WDS.