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Doubles in session


Current system
21148+3803
DAL 38 GH


Nearby doubles
4' : 21149+3806
GUR 28

7' : 21144+3803
SEI1461AB

11' : 21144+3753
SEI1460

12' : 21146+3813
GUR 23

13' : 21140+3808
GUR 20

14' : 21138+3800
KPP 786

14' : 21140+3755
SEI1457

14' : 21140+3809
SEI1456

18' : 21138+3812
SMA 144

18' : 21154+3745
SMA 146

20' : 21161+3747
COU1819

20' : 21133+3803
TOB 214

21' : 21137+3815
GUR 17

22' : 21167+3803
DAM1262

22' : 21151+3741
SEI1474

26' : 21170+3810
SEI1485

26' : 21166+3817
SMA 147

28' : 21127+3807
GUR 12

28' : 21129+3815
GUR 14

28' : 21127+3806
GUR 11

29' : 21173+3806
TOI1320

29' : 21133+3744
SMA 141

29' : 21147+3734
SEI1465

30' : 21133+3743
SMA 142

30' : 21146+3832
SEI1464AB

31' : 21139+3830
COU1817



Selections
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Binocular doubles
Binary Systems
Triple Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21148+3803 DAL 38 GH

 
 
21h 14m 57.26s +38° 02' 08.9" P.A. 108.00 sep 8.6 mag 12.50,13.20
 
 
Coord 2000 21148+3803 Discov num DAL  38 Comp GH Coord arcsec 2000 21 14 57.26 +38 02 08.9
Date first 1998 Date last 2015 Obs 7
Pa first 109 Pa last 108.3 P.A. Now (θ) 108.3°
Sep first 8.6 Sep last 8.627 Sep. Now (ρ) 8.627"
Mag pri 12.50 Mag sec 13.20 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -018 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21148+3803 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Tau Cyg 71121 21 14 47 +38 02 43 AGC 13 AB 2017 358 190 1.1 3.83 6.57 2.74 Y
Show 71121 21 14 47 +38 02 43 AGC 13 AC 2012 11 211 73.0 3.83 12.20 8.37
Show 71121 21 14 47 +38 02 43 AGC 13 AB,D 2004 15 208 205.4 3.83 9.94 6.11
Show 71121 21 14 47 +38 02 43 AGC 13 AE 2012 6 257 86.9 3.83 12.40 8.57
Show 71121 21 14 47 +38 02 43 AGC 13 AF 2012 37 184 89.5 3.83 11.95 8.12
Show 71121 21 14 47 +38 02 43 DAL 38 AG 2007 4 109 120.9 3.83 12.50 8.67
Show 71121 21 14 47 +38 02 43 LEP 100 AI 2002 2 77 534.5 3.83 16.02 12.19
Show 71121 21 14 47 +38 02 43 FYM 110 AJ 2012 3 127 49.7 3.83 14.00 10.17
Show 71121 21 14 47 +38 02 43 FYM 110 AK 2012 3 316 99.0 3.83 14.40 10.57
Show 71121 21 14 47 +38 02 43 FYM 110 AL 2012 2 290 32.8 3.83 14.90 11.07
Show 21 14 57 +38 02 09 DAL 38 GH 2015 7 108 8.6 12.50 13.20 0.70 <===
Show 21 14 47 +38 01 14 JOD 20 Fa,Fb 2018 4 349 0.9 12.20 13.80 1.60
13-fold system
13 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1964790861820744320