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Doubles in session


Current system
20173+1443
CHE 275


Nearby doubles
3' : 20175+1444
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CHE 287

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CHE 300

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CHE 262

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A 1669

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CHE 245AB

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BKO 550



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20173+1443 CHE 275 : 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
20173+1443 CHE 275 1910 1 333 31.9 10.01 10.00 201720.72+144205.1
20173+1443 CHE 275 2008 2 330 31.5 10.01 10.00 201720.72+144205.1
20173+1443 CHE 275 2010 6 330 31.4 12.28 12.86 201720.85+144206.2
20173+1443 CHE 275 2015 7 330 31.5 12.28 12.86 201720.85+144206.2
20173+1443 CHE 275 2019 12 332 30.4 12.28 12.86 201720.85+144206.2

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