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Doubles in session


Current system
20181+1519
CHE 290


Nearby doubles
4' : 20179+1520
SMA 116

5' : 20185+1519
BPM2100

6' : 20178+1520
CHE 281

7' : 20182+1511
A 1670

8' : 20180+1526
CHE 286

10' : 20183+1509
CHE 294AB

11' : 20174+1522
CHE 276

11' : 20183+1508
BPM2098

11' : 20179+1508
A 1669

13' : 20178+1530
CHE 280

13' : 20189+1524
CHE 302

14' : 20172+1515
CHE 274AB

15' : 20182+1504
BPM2097

15' : 20190+1526
BPM2104

16' : 20188+1530
TOB 319AB

16' : 20177+1504
BPM2091

17' : 20192+1517
BPM2107

17' : 20177+1503
CHE 279

18' : 20190+1530
BKO 563

18' : 20180+1501
CHE 287

19' : 20168+1523
CHE 267

21' : 20167+1513
CHE 265

21' : 20183+1539
CHE 293

22' : 20169+1506
CHE 268AB

22' : 20177+1539
CHE 278

22' : 20194+1507
BPM2110



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 20181+1519 CHE 290 : NOTES
 
 
discov_num notes refcode
CHE 290 It was initially thought that SMA 116 = CHE 290, but SMA 116 has been
assigned to another, more likely pair.
 
 
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
20181+1519 CHE 290 2006 5 159 9.6 9.66 10.06 N D 201808.11+151816.2
20181+1519 CHE 290 2008 4 154 10.1 11.29 12.68 N D 201808.16+151817.4
20181+1519 CHE 290 2015 7 153 10.1 11.29 12.68 N 201808.16+151817.4
20181+1519 CHE 290 2019 12 153 10.2 11.29 12.68 N 201808.16+151817.4

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