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Doubles in session


Current system
20168+1543
CHE 266
HD 355381


Nearby doubles
6' : 20170+1538
CHE 269

9' : 20171+1536
CHE 272

10' : 20163+1538
CHE 261AB

11' : 20172+1553
CHE 273AB

12' : 20162+1534
CHE 257

13' : 20161+1537
CHE 255

13' : 20162+1535
CHE 256

14' : 20177+1539
CHE 278

14' : 20161+1553
CHE 254AB

15' : 20161+1552
BKO 557

16' : 20159+1535
CHE 252

16' : 20158+1536
BKO 551

17' : 20180+1544
CHE 284

17' : 20180+1543
CHE 285

18' : 20157+1537
CHE 247

19' : 20157+1534
BKO 547

19' : 20165+1601
BKO 559

19' : 20179+1553
CHE 283

19' : 20171+1601
CHE 271

20' : 20178+1530
CHE 280

20' : 20165+1602
BKO 558

21' : 20171+1604
CHE 270

21' : 20181+1552
CHE 289

21' : 20168+1523
CHE 267

21' : 20166+1603
CHE 264

22' : 20154+1538
CHE 243AB



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20168+1543 CHE 266 (HD 355381)

 
 
20h 16m 49.50s +15° 42' 53.9" P.A. 51.00 sep 36.5 mag 9.57,10.41 Sp K2
 
 
Coord 2000 20168+1543 Discov num CHE 266 Comp Coord arcsec 2000 20 16 49.50 +15 42 53.9
Date first 1910 Date last 2015 Obs 13
Pa first 51 Pa last 50.7 P.A. Now (θ) 50.7°
Sep first 38.3 Sep last 36.475 Sep. Now (ρ) 36.475"
Mag pri 9.57 Mag sec 10.41 delta mag (ΔM) 0.84 Spectral class K2 (yellow-orange)
Pri motion ra +011 Sec motion ra +003
Pri motion dec +003 Sec motion dec -009
Notes
rPM=1.265
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 355381 Constellation Delphinus Tycho2 1631-00493-1 Gaia DR2 1808420444116423296
HD 355381