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Doubles in session


Current system
20161+1537
CHE 255


Nearby doubles
3' : 20162+1535
CHE 256

4' : 20163+1538
CHE 261AB

4' : 20162+1534
CHE 257

4' : 20159+1535
CHE 252

4' : 20158+1536
BKO 551

6' : 20157+1537
CHE 247

6' : 20157+1534
BKO 547

11' : 20154+1538
CHE 243AB

11' : 20153+1535
CHE 242

13' : 20156+1527
BKO 546

13' : 20168+1543
CHE 266

14' : 20156+1526
HDS2887AB

14' : 20170+1538
CHE 269

15' : 20171+1536
CHE 272

16' : 20161+1552
BKO 557

16' : 20160+1521
CHE 253

16' : 20161+1553
CHE 254AB

18' : 20157+1520
CHE 248

19' : 20168+1523
CHE 267

20' : 20151+1552
BKO 543

22' : 20172+1553
CHE 273AB

24' : 20151+1555
CHE 241

24' : 20145+1541
CHE 231

25' : 20177+1539
CHE 278

25' : 20165+1601
BKO 559

25' : 20144+1533
CHE 229



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

20161+1537 CHE 255

 
 
20h 16m 04.87s +15° 37' 12.4" P.A. 216.00 sep 24.6 mag 13.50,13.50
 
 
Coord 2000 20161+1537 Discov num CHE 255 Comp Coord arcsec 2000 20 16 04.87 +15 37 12.4
Date first 1910 Date last 2019 Obs 6
Pa first 219 Pa last 216.4 P.A. Now (θ) 216.4°
Sep first 24.8 Sep last 24.6 Sep. Now (ρ) 24.6"
Mag pri 13.50 Mag sec 13.50 delta mag (ΔM) 0 Spectral class
Pri motion ra -001 Sec motion ra +005
Pri motion dec -013 Sec motion dec -011
Notes
rPM=0.485
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1808412854916612864