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Current system
20151+1552
BKO 543


Nearby doubles
4' : 20151+1555
CHE 241

11' : 20145+1555
CHE 230AB

13' : 20147+1602
CHE 236

13' : 20146+1600
CHE 233

14' : 20161+1552
BKO 557

14' : 20154+1538
CHE 243AB

15' : 20148+1605
CHE 238

15' : 20161+1553
CHE 254AB

15' : 20145+1541
CHE 231

16' : 20141+1553
BPM2068

17' : 20157+1537
CHE 247

17' : 20153+1535
CHE 242

19' : 20139+1549
CHE 219

19' : 20158+1536
BKO 551

20' : 20159+1535
CHE 252

20' : 20157+1534
BKO 547

20' : 20144+1608
CHE 228AB

20' : 20161+1537
CHE 255

22' : 20163+1538
CHE 261AB

22' : 20165+1602
BKO 558

22' : 20144+1533
CHE 229

22' : 20165+1601
BKO 559

23' : 20144+1611
CHE 227

23' : 20162+1535
CHE 256

24' : 20162+1534
CHE 257

24' : 20166+1603
CHE 264



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20151+1552 BKO 543

 
 
20h 15m 09.17s +15° 51' 45.0" P.A. 325.00 sep 6.4 mag 13.20,13.50
 
 
Coord 2000 20151+1552 Discov num BKO 543 Comp Coord arcsec 2000 20 15 09.17 +15 51 45.0
Date first 1998 Date last 2015 Obs 9
Pa first 325 Pa last 325 P.A. Now (θ) 325°
Sep first 6.4 Sep last 6.432 Sep. Now (ρ) 6.432"
Mag pri 13.20 Mag sec 13.50 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +009 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1808620868773905408